Observation 04/11/19 First Attempt at M13 start 20:00 Failed at finding m13 but manged to observe m92 by using the goto feature finish: 21:00 20191104.zip Comments...

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Discussed expected spectrums, line broadening mechanisms, line shapes: Thermal broadening Gaussian Pressure/collisional broadening Lorentzian...

Poisson variables N {adu} is not poisson, N {pe} is poisson N {pe} G N {adu} trial.fit: trial.fit single frame to start data analysis...

Spectrum Initially the fits file was loaded into python, the image was then projected onto the x axis to obtain a spectrum. This was in the units of N {adu} against...

set up MaxIm DL, set up ST 7E camera: SBIG Universal, Parallel connection connect NO LIGHT SOURCE: set exposure time t 0.8s, initial temp 20 degrees, took...

Present: Joe Bayley, Ashlea Kemp, Elena Cukanovaite, David Hadden, Professor Boogert, Professor Cowan Select one peak of data, fit gaussian to peak with term...

Set Up Turned on spectrometer, Cadmium lamp and camera. Set the cooler to 5 deg C initally (Temperature outside is about 13 deg C). Set exposure time...

Finding errors in spectra Initially we wanted to find the errors in the spectra plot below. A discrete number of photons will hit the pixel in a certain amount of...

Present: Joe Bayley, Ashlea Kemp, Elena Cukanovaite, David Hadden, Professor Cowan Find the errors in the plot of the spectra of cadmium. Use these errors...

Present Joe Bayley, Ashlea Kemp, Elena Cukanovaite, David Hadden, Professor Cowan, Professor Boogert Find the convolution of two function to fit to the spectral...

Hot Pixels The background data of a dark frame was plotted at an exposure of 2 s and a temperature of 10deg. Background hot.png: The large spikes in...

Detecting hot pixels We had two 1 hour exposure dark frames. One was at an angle and the other pointed upwards. We wanted to find the x and y coordinates...

Meeting Notes Present: Ashlea Kemp, Joe Bayley, Elena Cukanovaite, David Hadden, Professor Boogert, Professor Cowan Make sure to include some mathematics onto...

Standard Deviation vs Focus/Angle plots Normalised %$N {\mathrm{pe}}$% into %$N {\mathrm{pe}}$% per pixel number per exposure time and replotted graphs of %$...

Improving Hot Pixel Detection Algorithm Set out to create an improved algorithm for detecting hot pixels, Set out to create a 3 by 3 pixel square which traces...

For hot pixel look for a p value %$N {\mathrm{DOF}} N {\mathrm{data points}} N {\mathrm{fitted params}}$% %$E \chi^{2} N {\mathrm{DOF}}$%...

People present at start: David Hadden, Elena Cukanovaite, Professor Stewart Boogert. Ian Connelly joined later. Before taking data Time of turn on: 18.20....

Data taking with further lamps 2 remaining lamps: Lamp 1 Sodium Lamp 2 Cadmium, Mercury and Zinc combination For Lamp 1; started at...

Images We chose the Alpha Persei cluster (Cr 39) to look at, but as it is a large cluster, we took images of two different sections of it, example images of which...

Mapping wavelength with the grating position In each of the frames the peaks mean position was noted along with its micrometer setting for the grating....

Mapping wavelength\grating\position on camera add term to fit function so %$f(m,\mu) \lambda {0} a {1}m b {1}\mu c {1}m\mu... $% plot histogram...

Data to be taken Take many frames with same exposure to see sperad of data, error estimate Take frames with different exposure times, for seeing how %$\sigma...

Observation 1 Time: 7:30pm Set camera cooler to 15 deg C Connected the spectrometer to the telescope. Aligned telescope with Vega by pointing...

Improving the fit to the line Initially a gaussian convoluted with a circular distribution was fitted to the spectral line, with the equations of: Gaussian...

Improvements Following on from last weeks meeting, it was suggested the colourmaps used were not overly clear. A version with better contrast has been chosen...

Halogen Lamp Use the better fit for calibration of the wavelength and see how plot turns out Mapping The larger standard deviation of the residual plot...

Additional Data Taking Previously, plotted %$\sigma {\sigma}$% against exposure time for one spectral line from the Helium lamp Noticed this plot was not...

Fixing errors Found previously that errors in background of frame are not poisson wanted to investigate how points fluctuate in peaks as well as background...

Floodfill algorithm improvements To improve our algorithm we defined a star to be anything above 5 pixels in size. It seems that all hot pixels were removed...

Errors Pick just one point in the peak to see how it varies Plot both sigma per exposure time and sigma against exposure time see how sigma varies with...

Errors The root mean square was found for each pixel column across 10 frames, for each exposure. \begin{equation} N {\mathrm{rms}} \sqrt{\frac{N {0}^2 N {1}^...

Mode Substraction We substracted the split mode image from the original image. If one performs mode split on the resulting image, one gets 0 for the mode...

Errors Take new data and try plotting rms vs average again Mapping Reducing %$\alpha$% reduces %$\gamma$% so related by constant %$\alpha \alpha 0 \gamma...

Further Data Taking Cooler temp 5 degrees 10 images at each exposure time Low mercury Took images in range 0 1s in 0.1s intervals...

Temperature Control for CCD We first tested the lowest temperature we could achieve for the CCD, whilst keeping the cooler power at around 90%, so that small changes...

Histogram of the trial image The trial images is shown below. The histogram is done over the entire trial image and is divided into 50 bins. The bin with the most...

From SBIG manuals: During readout of a pixel, the charge in a pixel is stored in a capacitor temporarily. After readout, the capacitor is drained and the next...

Initial histogram The dark frames were analysed by plotting a histogram of all the photoelectron values. However, specifying too many bins will mean that some of the...

test DavidHadden 20 Oct 2015

Initial Investigations Whilst the camera was cooling we attempted to take light frames (pointed at a roughly uniform section of the inside of the dome) in order to...

Theory In a CCD the signal is measured in terms of the charge that is stored on to each pixel, however in converting this charge into a signal, the number of ADUs...

Data Taking with Other Lamps Camera Setup camera temp 5 deg Focus distance 19.9mm Camera Angle 4.6mm Low Mercury...

AshleaKemp 02 Nov 2015

Spectrometer Camera JosephBayley 09 Oct 2015

Comparing stars between different filters In order to compare the quality of our data, we looked at the data with the largest signal to noise ratio, in this case...

Errors Took 10 frames of one spectral line from Helium lamp at exposure times between 0 0.5s in 0.05s intervals. The root mean square was found for each pixel...

Errors Put the poisson error curve on the plot Look at the relative fluctuation compared to the total number in histogram where %$p i \frac{n i}{N...

Vega Fitting Set r as a fit parameter Gaussian: \begin{equation} f(y;\mu,\sigma) \frac{1}{\sqrt{2\pi} \sigma^2} e^{\frac{ (y \mu)^2}{2 \sigma^2}} \end...

Mode vs. Median Background The problem with using the mode is that if a number does not appear more than once then the mode just takes the first number in the...

Vega Lines Try to fit with a set value for the amplitude Test the values of the fit parameters Look up the Voigtian fitted parameters for Vega...

Vega Fitting Gaussian: \begin{equation} G(x;V) \frac{1}{\sqrt{2\pi \sigma^2}} e^{\frac{ (x \mu)^2}{2 \sigma^2}} \end{equation} Lorentz: \begin{equation...

Goodness of fit with maximum likelihood progress Curve fit fitting used the following equation: \begin{equation} f(x,y,\mu x,\mu y,\sigma x,\sigma y,\rho,a,d...

Fitting For numerical way try doubling the x range look at running the fit for more iterations to get correct value wings have some other complicated structure...

Circle radius Found the radius of the circle by taking an average if many measured lines: Parameter Helium Cadmium(2.9) Cadmium (3.5) Cadmium(4.0)...

Checking fit validity p values give a probability, so should be normalised to 1. Found p value for each pixel, and summed over all pixels Found summed...

DavidHadden 03 Feb 2016

Additional Data Taking Wanted to see how RMS vs average plot varied with temperature Helium lamp, cooler 0 deg, micrometer (grating) setting at 5.0mm...

Fitting Gaussian: \begin{equation} G(x;\mu,v) \frac{1}{\sqrt{2\pi}V} e^{\frac{ (x \mu)^2}{2 V}} \end{equation} Lorentz: \begin{equation} L(x;\gamma)...

Fitting Check that the functions are normalised Try to find out why the errors were large see which of the spectral lines are towards the edge of the...

Errors Took a frame every minute to check when the lamp becomes stabilised. exposure, 0.1s Temp, 0deg Once the lamp was stabilised frames were taken...

ElenaCukanovaite 10 Feb 2016

Comparison of fits Before we fitted an unskewed Gaussian: \begin{equation} f G(x,y,\mu x,\mu y,\sigma x,\sigma y,\rho, \beta 1, \beta 2) \frac{1}{2\pi\sigma...

Fitting Gaussian: \begin{equation} G(\lambda;\lambda 0,\sigma) \frac{1}{\sqrt{2\pi} \sigma^2} e^{\frac{ (\lambda \lambda 0)^2}{2 \sigma^2}} \end{equation}...

Testing the fitting First we wanted to test that the function we are fitting is actually normalised. The skewed Gaussian function is: \begin{equation} f...

3C273 We initially took images of the quasar to locate it, the transmission grating was then places in front of the CCD to obtain its spectrum. As 3c273 is an...

MLE H R diagram B V: V R: Aperture photometry H R B V: V R: Error analysis Generated 1000 stars, fitted them to get the errors. Found...

Relative Depths Vega To find a measure of the strength of a spectral line the area underneath the spectral line is found. Equivalent width is a measure of...

Connect to camera (remote desktop connection 134.219.128.65) Maxim DL 5 Camera control Check setup connect Set cooler temperature 20 wrt ambient...

134.219.128.65 Cool camera to 20 wrt ambient Maxim DL 5 Camera control setup connect Thorlabs APTUser Home moving Complete Cadmium...

134.219.128.65 Cool camera to 20 wrt ambient Maxim DL 5 Camera control setup connect Thorlabs APTUser Home moving Complete Cadmium...

Extracted the data from the image taken to python Coded a program to find all the peaks(including the background/small peaks) and their location JamesAngthopo...

Hot pixel removal Median filter test on the Cd spectrum image at 1.50mm with size 4: Top images are pre filter, bottom are post filter. Spectrums...

Start 1:30 pm Camera cooled to 5C Switch to He lamp APTUser Homed Complete spectrum scan of Helium Switch to Na lamp Complete spectrum...

Start 1:30 pm Camera cooled to 5C Switch to He lamp APTUser Homed Complete spectrum scan of Helium Switch to Na lamp Complete spectrum...

Start 9:00 am Switch to high Mercury lamp Complete spectrum scan of high Mercury Images in ranges 04.50 06.00 and 07.00 08.00 require exposure times...

Start 9:00 am Switch to high Mercury lamp Complete spectrum scan of high Mercury Images in ranges 04.50 06.00 and 07.00 08.00 require exposure times...

Predominantly experimental week; took spectrum images for 4 remaining lamps Started aligning mirrors and focusing laser onto fibre end Peak Finder Plot...

test WillBurrows 21 Oct 2016

First alignment of laser using mirrors IC Capture 2.4 Used attenuator to reduce intensity on ImagingSource camera Second alignment Connected fibres...

Improved peak location Second derivative of the data is used over the first derivative as the peak locations are easier to locate via Python using a cut off...

APT user MaxIm DL Pro 5 Cooled camera to 5C He Lamp Distance scan of He at 04.80 mm and 0.1 s exposure time JamesAngthopo 02 Nov 2016

Peak Algorithm Found peak using second derivative of data. Double differential used as it enables us to find some hidden peaks. Picked a cut off point for...

Maxim DL 5 on both computers Left PC: Camera 1: 5C, Camera 2: 15C Right PC: Camera 1: 15C, Camera 2: 15C Focused camera on He line at 04.80mm...

Rotated lens in spectrometer 180 degrees Focused laser light on to camera Focused Cadmium 06.80mm on to camera Use paper to increase micrometer displacement...

Predominantly experimental week Observed Vega and Beta Lyrae taking a spectrum scan of each Another attempt at calibrating the spectrometer Calibrating...

14:00 start camera 10C Maxim DL 5, Thorlabs APT Focusing on Cd at 3.60mm Focal length scan Rotation angle scan Switch to He lamp...

Focusing the camera Focused the camera by changing focal length between lens and camera. Cut off value: %$ 0.06$%, for all values x range: %$x 2 x...

Finding optimal grating placement Maxim DL 5, APT User Cooled camera to 10C He lamp For towards with centred grating, brightest line chosen at...

Calibrating During the week, correct grating position was found and grating was stuck down Sigma of the Gaussian fit to the peak as a function of the lens...

Pxiel to wavelength Used equation, \begin{equation} \lambda \sum {n 1}^{n}C n(p \alpha m)^n \end{equationENDLATEX% Cut off point 0.05, %$x(i \Delta...

Start 15:00 Helium scan Cadmium scan High Mercury scan Low Mercury scan Sodium scan Andrey Came in at 18:00 IC Capture, Maxim...

Pixel to Wavelength mapping Equation used: \begin{equation} \lambda(m,p) \sum {n 0}^{N} C n((p p 0) \alpha(m m 0))^n \end{equation} %$\alpha$% is an unknown...

Start at 18:00, present Will, James, Laurie, Andrey IC Capture, Maxim DL 5 Cameras cooled to 10C Aligned scope to Rigel Tested intensity of the...

Conversion to wavelength Function to convert pixel values to wavelength uses the equation: \begin{equation} \lambda(m,p) C 0 C 1(p p 0) D 1(m m 0) E 1(p p...

Conversion from pixel to wavelength Same equation used: cut off value 0.05 %$\frac{\Delta y}{2j} y(i j) y(i j), j 1$% %$\Delta x 2$% for...

Error propagation Assumed the photoelectrons distribution is a p.d.f therefore assumed error on the number of photoelectrons to be \begin{equation} \sigma...

Chi Squared Original %$\chi^2$% used: \begin{equation} \chi^2 \sum {i 1}^{N} \frac{(y i f(x i; \bar{\theta}))^2}{\sigma i^2} \end{equation} Amended...

Errors WillBurrows 21 Feb 2017

Error propagation Part spec.pdf: A section of the report Equation to convert from wavelength to pixels: \begin{equation} p \frac{ b\pm\sqrt{(b)^2 4ac}...

Error bars A gaussian function fitted over the test lamp`s data. Using the amended %$\chi^2$% equation, error on the lamp`s data found. This is due to Poisson...

He line centred at 4.20 mm micrometer setting Focus distance 21.3mm Rotation focus 1.0mm to 6.0mm, intervals of 0.2mm Rotation at 3.5mm for focusing...

%$\sigma 0$% Error %$\chi^2$% equation used \begin{equation} \chi^2 \sum {i 1}^{N}\frac{y i f(x i;\vec{\theta})}{\sigma i^2 \sigma 0^2} \end{equation}...

WillBurrows 08 Mar 2017 RMS He.zip: RMS He Images

JacobChambers 17 Oct 2018 0c 10c.zip

Research Review Comments

Star Field Simulations `Basic` simulation program (04/10/2016): Simulation test1.py.txt Simulation generates stars with random positions. Canvas size and...

Aaron Andrews PH4100 Major Project Photometry Star field simulation Weekly Reports Notes AaronAndrews 04 Oct 2016

Project Notes Running Python Programs/Functions: 1 Change working directory 1 `import filename ` (without `.py`) 1 ` filename functionname (variables)`...

Weekly Reports 07/10/2016: Report1071016.pptx AaronAndrews 04 Oct 2016

Accelerator Journal Club The accelerator journal club meets once every two weeks in (room to be determined), where the accelerator group meetings are held the alternating...

My links: My activities TWiki.org edit

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My links: My activities https://twiki.ph.rhul.ac.uk/twiki/bin/view/PP/DarkMatter/To Debug List HPTPC todo list Log edit

Bookmarks of AlexeyLyapin Link: Web.Topic or URL Link Label http://twiki.org/ TWiki.org WebHome JAI BeamPosition BPMs...

My links: My activities https://twiki.ph.rhul.ac.uk/twiki/bin/view/PP/JAI/WebHome JAI https://twiki.ph.rhul.ac.uk/twiki/bin/view/PP/JAI/DLA...

All Authenticated Users Group This is a special group all authenticated users belong. The main use of this group is to lift a web level restriction at the topic level...

All Users Group This is a special group literally all users belong. The main use of this group is to lift a web level restriction at the topic level. This is close...

My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

dmesg grep i hda 12.969008 snd hda intel 0000:00:1b.0: irq 26 for MSI/MSI X 12.995159 snd hda codec realtek hdaudioC0D2: autoconfig for ALC888: line outs...

My links: My activities TWiki.org edit

// JavaScript code in this tag. Copyright (C) 2012 2018 Free Software Foundation, Inc. The JavaScript code in this tag is free software: you can redistribute it and...

Loss of LVM mirror To boot the system the Logical volumes need to be started: https://serverfault.com/questions/564585/system does not boot from root lvm raid1 partition...

Blog AddOn A simple weblog application. See .BlogAddOn for an introduction and installation instructions. This topic is meant for administrators and serves as introduction...

BlogAddOn CSS styles / sort and filter options / .blogPostAddOnViewOptions { font size:94%; border bottom:1px solid #ddd; margin:0 0 .5em 0; } .blogPostAddOnViewOptions...

Blog categories Add new categories to the list below. Interesting Rubbish John Adams Institute ATLAS Conference Research Trip News...

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amixer c CK804 Simple mixer control `Master`,0 Capabilities: pvolume pswitch pswitch joined Playback channels: Front Left Front Right Limits: Playback 0 31 Mono...

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The 40th Bubble Chamber Cup Hosted by Royal Holloway, University of London Sunday 6th April, 2014; Egham Leasure Centre. The tournament is organised alongside the...

Before the Game 1 Rules. The rules shall be the those of the Federation Internationale de Football Association, 1999 edition, except as mentioned below. You...

Useful Links ttH(bb) paper from December 2017: https://cds.cern.ch/record/2299049 ttH(bb) INT note that describes the fakes estimation in the dilepton channel (Appendix...

CallumBooth 13 Dec 2018

MarkWard 15 Mar 2017

Change Profile Picture of 1 ` .profileBox { border: solid #dddddd 1px; moz box shadow: 2px 2px 3px #e8e8e8; webkit box shadow: 2px 2px 3px #e8e8e8; box...

My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

Preliminary Step file of BPM received from Igor, imported into CST, cannot run eigenmode solver with lossy materials. Recreated the geometry which allows scalability...

Clare Quarman, PhD Student 2002 2009 Clare has now moved on to physics tutoring. Clare`s old research homepage including the QCDnum C wrapper: http://www.pp.rhul...

Edit personal data Edit text Create Edit text

Cluster Galaxies The main aims of this project were to look at the density of galaxies within the HYDRA cluster so that its mass can be estimated. A link to the...

Mac Settings and Programs Xquartz is set as X11 client. Installed Programs: Xcode Micorsoft Execel, Work, Powerpiont Macports...

TomVaughan 27 Sep 2015

JC:10/10/2018 Meeting10/10 Following our afternoon setting up Kstars in Ekos INDI, we took some dark frames at ~ 5 degrees C. Below are plots of pixel...

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Bookmarks of DavideMalito Link: Web.Topic or URL Link Label http://twiki.org/ TWiki.org WebHome PP Return to: DavideMalito...

Histograms of Dark Frames taken at 5C at various times t 0.000 s (bias) t 0.001 s t 0.010 s t 0.100 s t 1.000 s t 5.000 s t 10.000 s t 30.000 s t...

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Dome Observations 2017 2018 This twiki page is for organisation and data logging of obervations for use by post and undergrad students during 2017 2018. Aims:...

WillBurrows 27 Jul 2017

firewall cmd zone public permanent add port 0 65535/tcp firewall cmd zone public add port 0 65535/tcp firewall cmd zone public permanent add port 0 4463/udp...

My links: //?search EmiYamakawa;order modified;limit 50;reverse on My activities http://twiki.org/ TWiki.org edit

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Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m): Flux at FASER...

Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m):...

Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m): Flux at FASER...

Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m): Flux at FASER...

Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m): Flux at FASER...

Plots Back to table Origin trajectory: Spectrum at FASER IP (sampler 25x25cm): Flux at FASER IP (sampler 25x25cm): Flux behind FASER (sampler 20x20m): Flux at FASER...

Personal Details Name: Fabrizio Salvatore Office: W263 Phone: 3460 Position: Research Associate WEB page E mail Work interests I am...

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get git repo onto local filesystem GITROOT https://bgreen@gitlab.cern.ch:8443/atlas tdaq software/ git clone $GITROOT/Dozolar.git make changes commit changes to local...

Major Project 2019 20 Photometry HR Code 17/10/19 Start: 18:13 Took some Dark Frames at various temp and exposures 19:30 Andrey Abramov came to dome Calibrated using...

aplay L null Discard all samples (playback) or generate zero samples (capture)pulse PulseAudio Sound Serverdefault Default ALSA Output (currently PulseAudio...

Name: grigori rybkine Email: Grigori.Rybkine #64;cern.ch Location: LAL, Orsay, Paris Office: n/a Phone: n/a Position: n/a Comment: Grigori...

Physics motivation of HE LHC Particle physics accelerators in the current days focus on achieving better precision on various physics parameters defined by proved...

Plots Back to table Plots:

Measuring master frames In order to build up a catalogue of master dark, bias and flat frames... Began by taking bias, dark and flat frames shortly after beginning...

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My links: My activities Accelerator Journal Club My work edit

VSim Dependencies (eb repo https://bitbucket.org/jairhul/accsoft hpc) gompi 2016b libGLU, GStreamer, GST plugins base Gdfidl Dependencies...

Add new user: # useradd m d /home/userA userA# passwd userAPopulate new users From xcat01: 1 Edit /install/salt/pillar/common/users.sls 1 Execute following...

Installed toolchains GCCcore 5.4.0 gompi 2016b (GCC 5.4.0, OpenMPI 1.10.3) foss 2016b (OpenBLAS 0.2.18 FFTW 3.3.4 ScaLAPACK 2.0.2 gompi 2016b) Installation...

Introduction Royal Holloway physics HPC cluster is a 220 core with XXX CPUS. The cores are distrbuted between 11 compute nodes each with 20 cores and XXX of memory...

2016 10 12 Installation. Present: L Nevay, Nathan Gallery Location On entering server room, it`s A rack straight ahead they`re not numbered so, it`s 4th...

2016 10 12 HPC Farm Installation Gallery LaurieNevay 12 Oct 2016

Hardware/networking 13 private port 1 public port ssh access to subnet, plan (ip of ocf to add to RHUL firewall) infiniband port 1 switch to first...

How to check infiniband availability. Check Infiniband interface (from any node):# ibstat egrep `State Physical`or# ibstat Test Infiniband:# ibdiagnet ls 14 lw...

How to load modules: Check available modules (show available modules to install):#module avail Adding a path containing modules:# module use /home/user/modules/ Load...

List state of all compute nodes The cluster is running SLURM job scheduler, responsible for allocating the resources requested for batch or jobs. A list of commands...

Cluster management (xCAT tool): Example: noderange compute001 compute005Display node status (from xcat01):# nodestat noderange Reinstall node (from xcat01):...

Notes on Using IPBus Note on using IPBus firmware Notes on using IPBus software

Miscellaneous IT Matters VPN information How to setup the RHUL Web VPN client (F5 BIG IP Edge, CampusAnywhere) a web browser or the old client VPN client...

JACK notes Server and Client setup Whiteslave Soundcard Amberslave Soundcard Redslave Soundcard Greenslave Soundcard Blueslave Soundcard Masterman Soundcards Firewalld...

My links: My activities PP/JAI.NewClicBpm Copper Cavity BPM Beam Test Logbook edit

My links: My activities PP.JAI.NewClicBpm CTF3 prototype second generation edit

Watchlist Return to: JoolsElliott

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My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

Jotter pad Use this page to eg draft new TWiki pages/content. ATLAS ttH Summer Student project text Setting up and learning stage (linux account, using Root...

JacobChambers 16 Feb 2019

LabVIEW is a multi platform graphical programming language, that allows the programmer to build a dataflow model with objects from menus, instead of writing code....

Orion Processing LaurieNevay 30 Apr 2017 orion L120 stacked med.tiff: orion L120 stacked med.tiff orion L120 stacked low.tiff: orion L120 stacked low...

Major Project All of my MSci Major Project work can be found at the following link: https://twiki.ph.rhul.ac.uk/twiki/bin/view/Public/StewartBoogertSpectroscopy...

Research Review My Research Review on `Experimental Constraints on Hidden Sector Dark Matter` is attached to this page. AshleaKemp 17 Nov 2015

MSci Major Project Work Up to date work on MSci Major Project can be found at the following URL: https://twiki.ph.rhul.ac.uk/twiki/bin/view/Public/StewartBoogertSpectroscopy...

16.11.16 Went to Imperial a couple of weeks ago to see Patrick and Clarence and install MaCh3: Needed to get Root in my directory on scratch, as well as CMT Had...

Image0001.bmp: Sun images recording emlyn`s blindness Image0002.bmp: Sun images recording emlyn`s blindness Image0003.bmp: Sun images recording emlyn`s blindness...

Academic or demontrator () Students present () Weather conditions () Targets () Data files 1 FILENAME0.fits 1 FILENAME1.fits Back to:

Focus with 9 mm eyepeice Autostar menu : Setup Telescope Train drive RA or Dec RA moves about 10 minutes west, move scope to east RA moves about...

Coordinates in MaximDL (done) Reproducable alignment after sleep Control as telescope of stellarium or starry night (done) PEC lots of measurements...

Meade LX200 controller via computer serial port COM1 Stellarium (Ascom or direct meade not sure) Meade LX200 controller via computer serial port COM5 (USB to...

Meade LX200GPS Pec Training Setup Telescope RA PEC Training Method Connect to Stellarium and MaximDL Telescope pointed at Vega synced...

Average filter wavelength Blue: 450mm Green: 550mm Red: 650mm ST 8ME Quantum Efficiency: Blue: 55% 1.82x exposure from clear...

Basic information on automating astrophotography with python And almost everything you need to know about Python and COM objects http://oreilly.com/catalog/pythonwin...

Canopy Academic License available for free. Canopy environment: C:\Users\dome pc\AppData\Local\Enthought\Canopy Set as default dome user python environment...

Camera: SBIG ST 8XME at 0 ...

def meanPSF(self, radius 20, fixAngle False) : image self.image error self.errors xmax, ymax (len(image 0 ) 1, len(image...

pre requisite: have Cygwin installed and a GNU compiler. Cygwin comes with python pre installed, from there one can install new packages with: easy install packageName...

Latest Python 2.7.5 MSI downloaded from here and installed at c:\Python27 Folder added to System PATH 1 Go to Control Panel System 1 On the left, click...

Ring Galaxy (NGC1291) Protostar (IRAS 20324 4057) `The bizarre looking ring galaxy NGC 1291 in Eridanus.These fairly rare types of galaxy are usually much fainter...

After turning telescope on, it successfully received GPS signal and did not started the usual RA movement. The Camera was connected to Python via MaximDL Telescope...

Focus movements Positive In Negative Out Tests The data below have a significant experimental error associated with the not fixed measuring equipment...

Theory FWHM and MaxPixel techniques aids Using a Bahtinov mask to find the focus: Based on Laurie`s idea and article a set of 144 images were taken. 3 images for...

Desktop/Data/20131016 RC/ 20 x Dark frame per temp per exposure time NN denotes image number Temperature (deg C) Exposure time File name 00.0 0.1, 1....

Dark as function of exposure and temperature Exposure times of 0.1s, 1s, 5s, 10s, 60s, and 180s for temperatures of 0.0, 5.0, 10.0, 15.0 and 20.0. Each dark frame...

Aims Take 20 Dark Frames for differrent exposure times at temperatures ranging from 0 to 20. Waited 10minutes after temperature had settled to ensure chip at correct...

Data Log Used Autosave Sequence located Desktop/Data/20131016 RC/25darks60s.seq (Forces file name change compared to last log book) Desktop/Data/20131023 RC/ 20 x...

Log Book entry for Ryan Cheale, Chris Haynes and Paul Hallam for the 23/10/13 evening observation Equations Relation with right acensioin LHA Obj LST obj (Local...

Dark study continued. Maxim DL autosave feature used to take all the dark frames for one temperature and save them to a new folder. Files now stored in the form: T...

Aims Finish taking dark frames for temperature of 10 degrees Note: Error it temperature is or 0.2 degrees Cooled down from T 20degrees to T 10 degrees within...

Project meeting on 24 / 10 /2013 Present: Chris Haynes, Paul Hallam, Ryan Cheale, Dr Boogert, Professor Cowan. Continued discussion on taking and analysis of dark...

Cooler study to determine how the background on the CCD chip varies with time after the cooler is turned on. Cooler set to 10...

Data Log Used Autosave Sequence located Desktop/Data/20131016 RC/25darks60s.seq (Forces file name change compared to Public.LogBookAstronomyEntry0017 Dark Log Book...

Please edit and put your text etc. here A study into the variation of background pixel count with temperature. Initial CCD temperature was recorded to be 18 degrees...

Test solar limb data Holly Preece, Vijay Mahatma 50 frames, 1 frame per second. Exposure time? Gain? White balance? Gamma? 20131125 VM.zip:...

Please edit and put your text etc. here Telescope Set Up Target Delta Cephei selected using Stellarium and AAVSO catalogs Open shutters (ropes, pull apart...

2014 Group A, Observation 1 20140203.rar: 20140203.rar Back to:

Please edit and put your text etc. here Back to: 20140211 Group C.rar: 20140211 Group C.rar

Please edit and put your text etc. here Back to: 20140210 Group B O01.rar: 20140210 Group B O01.rar

20140213 LN Reasonably clear and forecast to be good. Worth a try to get some practice in. CCD at 15oC Aligned to capella very high in sky. Went...

start time:20:15 Sayadevi Kirubakaran,Shuyuan Hu,Niloofar Rajaeifar Star:Pollux,Right ascension(J2000):7h45m18.3s, Dec: 28 deg, 01 min, 32.0 sec Right ascension(of...

Dome doors Telescope cover Telescope power Camera power Lens caps Using Maxim DL; Camera control setup connect Cooler set point...

Group C Observation 2 PB, JB, AK Patchy clouds, few breaks Aligned and synced with Capella (18:35) Sensor temp 14.8 Aligned on Atlas in Pleiades (18:52) Moved telescope...

AshleaKemp 21 Feb 2014 2014 Group C Observation 2 PB, JB, AK Patchy clouds, few breaks Align on Capella (18:35) Sensor temp 14.8 Aligned on Atlas in Pleiades (...

Telescope Set Up Telescope was already set up due to an earlier observation. Telescope centred on target Delta Cephei using Stellarium to locate coordinates...

Desktop/Data/20140225 SB LN RC/ Focused on castor Pinwheel galaxy images 10 x Light at 180s exposure (Cooling ring visible) 15 x Light at 120s exposure(dc 004WirlpoolGalaxyLightE...

Please edit and put your text etc. here Telescope Set Up Telescope was already set up due to an earlier observation. Delta Cephei located using Stellarium...

LEt CCD cool to 15 degrees for 45mins Autosave Procedure for darks and bias 120 x dark 180s exposure 120 x bias Located in C:\Users\dome pc\Desktop\Data\...

Please edit and put your text etc. here Telescope Set Up Coordinates of Capella determined using Stellarium Telescope centred on Capella Location synchronised...

Please edit and put your text etc. here Log Book entry for observation on 07/03/2014 Telescope Set Up CCD camera set cooling to 15 degrees Coordinates...

James Begg, Georgina Mills, Ryan Thomas, Dr Boogert 18:30 start 15C camera set point weather light high cloud and warm 1 Aligned on Capella...

Atlas and Pleione Max Rodgers, Petros Skopelitis Back to:

Spectrometer Focus By changing the distance of the camera, will find the focal point of the emission lines. Along with this the best exposure rate will be found as...

The attatched files are pictures of mercury`s spectral lines from 0mm grating position out to 11.50mm grating postition in steps of 0.25 mm. Temperature: ~0 deg C...

Testing the saturation of the spectrometer; the attatched files are pictures of the clearest spectral lines at exposure rates ranging from 0.12s to 0.24s until the...

Data taken by Holly Preece and Jamila Taaki Took 70 dark images. 10 each at exposures 1s, 2s, 3s, 10s, 15s,30s, 60s Stored C:\Users\dome pc\Desktop\Data\20141017 HP...

Joe Cooper and Sam Emery Using the spectrometer to find the brightest spectral line in mercury and Find the best micrometer reading for the angle of the camera. Camera...

27th Oct 2014 Msc Observation. Begun: 18:30 Finished: 22:30 Conditions: Mostly clear, a little muggy. No cloud coverage. Begun observation session with a run...

2014 10 27 MSc Observation LN SW Started 18:30 General overview of dome and using scope. Aligned to Vega as easy to identify. Generally clear, although a little...

Holly Preece and Jamila Taaki General Setup 1 Open doors and check outside 1 Take telescope covers off 1 Turn on camera 1 Start Maxim DL 1 Camera connect...

Spectrometer Focus. New data was taken for the focus and angle of the spectrometer as the fibre optic cable had been shifted in the spectrometer. Set binning to 1x...

Spectrometer Calibration for Cd lamp SBIG Universal camera Tempoerature 10.0 ...

Spectrometer Focus. New data was taken for the focus and angle of the spectrometer for a different lamp, Cadmium. Set binning to 1x1. Exposure time to 0.1 SBIG Universal...

Oliver Edy, EC, DT, GD, DH, MS, STB, 18:45 Gained bearings outside the dome, identifying stars such as Vega and Polaris, as well as constellation like Cassiopeia...

8th December Observatins Start time 18:00 Conditions: Varied from good and clear to a little hazy which had an effect on exposures. Observations: Deneb (alpha cyg...

2014 12 10 LN PH Consistency Sutdy for Transit Candidates LN PH 17:30 start Back to:

2015 01 15 Spectrometer Trial Observation SH JC LN SB 17:30 19:00 SB LN JC SH Attempted observation for spectrometer project. Aligned, removed flip mirror setup...

2015 01 19 Spectrometer Observation LN SB JC SH Started at 5pm. Achieved initial alignment with spectrometer to Capella as it was pretty bright although...

Observations of the Spectrum of Betelgeuse Started looking at Capella. Using a small sheet of tracing paper to allign the star in the optic fibre coupling. With Capella...

PH2900 Group A B Observation 1 18:30 start LN SB Atlas Pleione 0.1 second exposure. Finished 20:30 Back to: 20150122.zip:...

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PH2900 Group C Observation 1 Start time: 17.30 One image of Capella, 0.1 second exposure 10 exposures of Atlas in Pleides 2x2 bin, in 0.1 intervals...

PH2900 Group D observation 1 Start time: 20:28 Initialy telescope is calibrated by aligning it to point at Capella. The calculations are done manualy using the following...

Please edit and put your text etc. here Start Time: 19:00 Conditions: Slightly cloudy at start, quickly became clear around 8pm and remained clear. Observations:...

Start Time: 17:45 Clear Weather People present: HC, JA, AA, LB, JW, AV, TX inc. SB LN Initial objects : Juno , in between the Moon and Procyon, with Castor and...

Completed with: AE, WP, TY, AA, TL, LN Start time: 20:25 Align telescope with Procyon: RA 7h 40m 6s, DE 5(deg) 11` 06` Next step to look for Juno verbatim Date...

Start time: 17:42 Group: FM, HQ, MH, RA, TG, LN 00003 H 5.33 Date UT R.A. (J2000) Decl. Delta r El. Ph. V Sky Motion...

Start time: 18:33 10/03/2015 Present: LN,AA,MG,SH Weather conditions: clear, no wind Star used for calibration: Procyon Coordinates of asteroid Juno obtained from...

AndreyAbramov 10 Mar 2015 kjhkjh

2015 05 20 LN DSLR Observation Trying out DSLR on back of scope Benefit easy live video to investigate focussing, wide field of view 20:30 start...

Before taking data Time of turn on: 18.20. Cooler set to 7 degrees. Temp at 6.9 degrees at 18.30. Center the telescope on Vega. Aling the...

Please edit and put your text etc. here Present: AA, JW, LB, TG Start time: 12 End time: 13;00 Weather: High cloud, thin Target: Sun Run 1 : 1/1241s, frame 1100 set...

Please edit and put your text etc. here Start time: 1030 End Time: 1330 People Present: Thomas Goode, Joe Wood,Aaron Andrews, Laura Bevilacqua Gain: 180 Exposure:...

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Acedemic: Prof. S Boogert Students Present: Connor Armstrong, Luna Borella, Samantha Youles, Rebekah Chafer, Alanis Cozens Weather Conditions: Clear/ Some cloud, rain...

Observers Virginia d`Emilio, Saqib Hussian Rose Grey Start: 17:10 Our target will be Capella Coords (J2000): 5hr16m41.6s /45deg 59`45.6`` Camera: flip mirror, eyepiece...

Planned to meet at 13:00 Entered dome at 13:30 Present: Charlotte Newton, Nikhil Patel, Josh Reid, Alex Pierrot, Will Burrows, Professor Boogert. Walked up...

Please edit and put your text etc. here Start time: 17:50 People present: Natalia, Tom, Maria,Matthew, William, Alex, Maryan Weather: clear Target Capella Camera:DMK...

Present: Prof. Boogert, Charlotte Newton, Alex Pierrot, Josh Reid, Nikhil Patel, Will Burrows Planned to meet at 5pm at entrance to dome. Entered dome and started...

Academic: Prof S. Boogert Students Present: Connor Armstrong, Luna Borella, Samantha Youles, Rebekah Chafer, Alanis Cozens Weather Conditions: Partial Cloud...

Please edit and put your text etc. here Back to: Time started: 17:28 People present: Natalia, Maryan, Saqib, Rose, Willian Weather: clear Programs: Stellarium...

Please edit and put your text etc. here Matthew, Tom, Maria, Alex 19:25 Equipment: SBIG ST8 XME Weather clear Another Observation of Triangulum (Took Images...

Started data taking at 13:20. cooler set to 15 degrees, ambient temperature 8 degrees Sequence of: bias, (dark) 0.1 10, 30, 60, 90, 120 Repeated every...

Please edit and put your text etc. here SBIG ST 8300M bias measurements 3 files at normal temperature, 3 at 20 degrees C Noisy pixels seem significantly...

Present:Professor Boogert, David Hadden, Elena Cukanovaite. Turned on camera at 16:55 to begin cooling before observations at 15 degrees. The cooler was...

Please edit and put your text etc. here Start time: 1200 End time: 1230 People Present: Thomas Goode Gain: Exposure: Weather: High altitude cloud, intermittent...

Please edit and put your text etc. here The aim of the session was to modify the parameters of the camera. Using only OpenCv it was impossible to set the camera`s...

Please edit and put your text etc. here Start time: 17:30 End time: 19:30 The DMK camera was fixed to a tripod and pointed at the moon. Run1: Gain set to 180 and images...

Please edit and put your text etc. here Start time: 12:00 End time: 14:00 Weather: Cloudy, intermittent clear patches Directory: C:\Users\domeuser\Desktop\3 Data\...

Please edit and put your text etc. here Start time: 10:30 End time: 14:00 Target: Sun People present: Thomas Goode Used algorithm to take limb darkening data using...

Start 17:30 1800: Claire o`Brien Astrometry.net NGC 6951 link: http://nova.astrometry.net/user images/1006078#original All Images ZIP FIle: Result from Astrometry...

AlanisCozens 24 Feb 2016 24/2/16 Alanis Cozens, Luna Borella, Rebekah Chafer, Rose Grey, Connor Armstrong, Prof S Boogert Start 17:45 weather conditions: Clear sunsetting...

Partecipants: Saquib Hussain, Maria Merkulova, Virginia d`Emilio, William McKerracher Star of setup: 17.40 Cooling: 10 degrees Weather: 50% clouds, partially clean...

People Present: Tom Hyatt, Sam Youles, Matt Last, Alex Vasilichi Targets: Delta Cephei, Atlas Start time 19:50, Target Delta Cephei: 4 Images taken with no filter...

Please edit and put your text etc. here Took 5 dark frames using SBIG ST 8300M Exposure 1s Temp 5deg Took further 5: Exposure...

Please edit and put your text etc. here Took frames on SBIG ST8300M at 0deg, 5deg, 10deg (20 1s darks and bias at each temperature) Took 30 cooling bias...

Please edit and put your text etc. here Took 10 frames on SBIG ST8300M at 0deg, 5deg, 10deg for 1s dark and bias Helium lamp took 1 frame at 1mm intervals...

Please edit and put your text etc. here Finding focus of optical fibre The focus of the optical fibre was found by taking a relative distance between the lens...

Please edit and put your text etc. here Focussing Beam Splitter To find best focus should be able to focus onto a single fibre, once one illuminated, in focus...

Please edit and put your text etc. here Aligning Camera and optical fiber Spectrum images, Exposure: 0.1s Temp: 10 deg used subframes...

Please edit and put your text etc. here Alignment of Camera and Optical Fiber SBIG camera, Temp: 10deg Exposure: 0.1s subframe around...

Please edit and put your text etc. here Alignment of fiber horizontally and vertically SBIG camera for spectrometer: Exposure: 0.1s Temp:...

Back to: Exposure N File Name 0.10 5 Dark0.10ExpN 0.20 5 Dark0.20ExpN 0.50 5 Dark0.50ExpN 001 5 Dark001ExpN 002...

Cadmium Calibration Grating Position File Name Exposure (s) 00.00 Calib Cd 0.00 15.0 00.50 Calib Cd 0.50 15.0 01.00 Calib Cd 1.00...

Helium Calibration Grating Position File Name Exposure (s) 00.00 Calib He 00.00 15.00 00.50 Calib He 00.50 10.00 01.00 Calib He 01.00...

Focusing onto optical fibre, 03.10mm, 00.10s Distance (mm) File Name 20.00 A2 Focus 20.00 25.00 A2 Focus 25.00 30.00 A2 Focus 30.00 35....

Saqib Hussain Jervis Ong 28/10/16 Start 09:09 Switched on both cameras from mains. Started Maxim and connected to both cameras. Data stored in directory...

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Saqib Hussain Jervis Ong Arrived at 16:24, weather clear AA arrived 17:30 Took example flats with both cameras Setup telescope, synched on Vega...

Matthew Last, Rose Grey, S Boogert ImagingSource DMK21AF04.AS Aligned shadow at speed 9 Finderscope speed 5 IC Capture 2.4 to record images...

Distance (mm) File name 18.00 He Distance 18.00 19.00 He Distance 19.00 20.00 He Distance 20.00 21.00 He Distance 21.00 Back to:

Zack started at 17:00 Align telescope with Vega at 230 Azimuth and 80 Altitude Camera temperature set to 15 degrees, power at roughly 60% M103 cluster...

Vega Scan Micrometer Position (mm) File Name Exposure Time (s) 00.00 Vega 0000 10.00 00.50 Vega 0050 10.00 01.00 Vega 0100 10.00...

Start: 11.45am Dark frames taken at 0 degrees: 0.1s x3 0.2s x3 0.5s x3 1s x3 2s x3 5s x3 10s x3 20s x3 30s x3 60s...

Cd 3.600mm Focusing Focal Length Focal Length (mm) File Name 20.00 Cd Focus 2000 20.50 Cd Focus 2050 21.00 Cd Focus 2100 21.50 Cd Focus...

Rose Grey, Matthew Last, Prof Boogert 12:42 began aligning Second Set of data to retake Green and Blue filters Same setup as first experiment Sunspot...

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QuibathaHussain 25 Nov 2016 Saqib Hussain Jervis Ong Arrived at 16:24, weather clear Found binary star system in stellarium Hip 91919 B E1 Lyr. Created the data...

AV, AA, LB start: 16:30 ZCW arrived: 17:00 Camera temperatures: 15 degrees Autoguider: Guide tab, 2s expose Pick Bright star not near others,...

Distance Micrometer (mm) File Name 19.00 He Distance 1900 19.50 He Distance 1950 20.00 He Distance 2000 20.50 He Distance 2050 20....

Helium Calibration Grating Position File Name Exposure (s) 00.00 Calib He 0000 15.00 00.50 Calib He 0050 10.00 01.00 Calib He 0100...

Please edit and put your text etc. here set up procedure check for damages on solar filters solar fillters on finders scope and main scope mount camrea...

set up procedure check for damages on solar filters solar fillters on finders scope and main scope mount camrea use a SCT connector...

Boogert, Fernandes Miguel, Hughes Sarah, Lenz Lena 17:23 Remove rain cover open doom doors (bolt, ropes, door) Remove telescope caps Switch on...

time: 17:22 arrived in dome. ENK JT AS AC AA remove rain cover from telescopeopen doors of dome (ropes(tie up), bolts) go onto roof and observe sky select Capella...

Helium Lamp Micrometer Position (mm) File Name Exposure time (s) 00.00 Calib He 0000 01.00 00.50 Calib He 0050 01.00 01.00 Calib He...

Saiph Micrometer Position (mm) File Name 00.00 Saiph 0000 01.00 Saiph 0100 02.00 Saiph 0200 03.00 Saiph 0300 04.00 Saiph 0400...

People Present: Tom Hyatt Luna Borella Rebecca Chafers Virgina d`Emilio Sam Youles Start Time: 10:48 Conditions: Clear No cloud Setup:...

Rose Grey, Matthew Last 14.00 start time Used LR1 ASEQ Instruments spectrometer plus fiber optic cable Used CheckTr program inside zip folder `consol 001....` Lined...

AA arrived at 17:30 take cover off telescope power to telescope and switch on open dome doors take lens caps off telescope removed old setup...

Arrived at 6pm Found a suitable open cluster on stellarium Focused and calibrated both wide field and narrow field telescopes Narrow on Pollux and Wide on M...

07/02/2017 17:40 start time M Fernandes, L Lenz, S Hughes, A Cozens, S Boogert Weather cloudy fairly poor visibility set up telescope, open dome, take off caps...

Please edit and put your text etc. here CM LNK AS enter dome at 16:20 Telescope cover was removed SBIG ST8 and ST8300 connected to the power Telescope...

Cadmium data Micrometer Position Filename Exposure (s) 02.00 Calib Cd 0200.fit 10.00 02.50 Calib Cd 0250.fit 00.10 03.00 Calib Cd...

Cadmium data Micrometer Position Filename Exposure (s) 02.00 Calib Cd 0200.fit 10.00 02.50 Calib Cd 0250.fit 00.10 03.00 Calib Cd...

Entered dome and opened dome, remover cover and lens caps. Turned cameras on and set cooling to 15 degrees C. Took cooling test exposures approx. every...

SarahHughes 13 Mar 2017 started at 4:15 Sarah Hughes, Lena Lenz, Alanis Cozens, Arianna Saba cooled CCD to 10 deg take two bias frames, using camera 1 (S Big ST 8XME...

H Alpha observation Coolers on around 17:45 Visibility very good Camera 1 10C Camera 2 15C Aligned to Alderbaran Candidates Andromeda...

H Alpha Observation 2 JC, LN, LW, ZCW Seeing quite good. Few intermittent clouds, but clearing up. Coolers on around 3pm and biases and darks taken...

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Nebulas LN Setup Extremely clear, no wind. Coolers on from lunch time for darks. Could only get to 15C during the day (60 80% cooler power)...

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Nevay Observation Likely last clear night for a while so in on Sunday 18:30: coolers on (c1c:2 15: 20), dome open fan on with door open to cool dome down...

time 10:30am arrived in dome. A Cozens, L Lenz D Bedingham S Boogert poor weather conitions so no solar data could be recorded used SLR camera to take images of boiler...

Please edit and put your text etc. here 10:30 dome. Bedingham, Cozens, Lenz good weather took a few images with Canon SLR camera The following settings...

Time 10:30am 1pm in dome, A Cozens, L Lenz, D Bedingham, S Boogert Weather cloudy, intermittently clear use DSLR to take white images to look at the natural vignetting...

10:30 at dome, D. Bedingham, L. Lenz cloudy weather took no images of Sun Vignetting images from last week were not symmetric will have to retake...

28/11/2017; AC, LL took data with telescope and dslr camera telescope: 5 minute sweep (1 img per second) too long, 3.5 minutes should be perfect Varying...

Alanis Cozens, Lena Lenz Start time 11:18 Clear sky align telescope to sun using shadow and finderscope tracking set to terrestrial so sun will move across the frame...

AlanisCozens 01 Dec 2017

Time in dome: 10:00 A Cozens, L Lenz, D Bedingham, S Boogert looking into error in blue filter images taken previously is an error in the programme with the readout...

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JC, SH, AS, STB 10am to 12 Filters, camera and telescope setup Filters 2 filters, main scope and finder place filters on and ensure they can`t...

Please edit and put your text etc. here D. Bedingham, L. Lenz room: Moore 0 06 TODO: take more data with telescope with all filters update error calculation...

11am start Setup unchanged from previous SLD Camera firewire connected to main telescope with solar filters attached Telescope turned on and GPS fix taken...

Please edit and put your text etc. here 10:00 dome, L.Lenz, C.Alanis take images of centre of Sun for different exposure times (without colour filters), each with...

set timer to 405 seconds, (exp:1/4000s, gain:1023) Aim to take drift scans using all filter speed set to 3, lots of high cloud cover, image observed darkening...

FB, AC, JC, MA, STB, ZCW 17:00 Start of Observation Identified object a 80, A 45. Checked on Stellarium; was Capella. Looked at the hour angle and the declination...

TO, SR, STR,AK,ZCW start time:17:00 Went outside located a star with coordinates (Horizon System) estimate: A 60, a 60 70 Checked on Stellarium star...

D.S., H.S. Z.C.W. Star time 20:30 chose bright star(betelgeuse), estimate coords A 170 deg and a 45 deg found star on stellarium: A 153 and a 43 Set...

Please edit and put your text etc. here Dome entered at 10am, present CM SH AS JC Telescope cover removed, solar filters put on camera set up removed...

Date: 18/01/18 Academic Present: Dr Laurie NevayStudents Present: Luna Borella, Rebekah ChaferWeather Conditions: ClearTime: 22:40 1:50Targets: Betelgeuse Pleiades...

Academic: Prof Stewart BoogertStudents: Beki Chafer and Luna BorellaWeather: ClearStart Time: 17:00Target: Pleiades Cluster Cameras on and cooling set to 15deg.Pleiades...

In attendance JC, MA, SB, FB, AC. 17:46 Opened dome doors removed lens caps Disassembled previous experiment Attached cameras: make sure plugged...

A.K, S.R, T.O, S.R, G.C, 15/2/18 Began: 17:30 Started up telescope opened observatory. Connected to camera with maximdl (disabled camera 2), turned on cooler to...

Academic Present: Prof Glen CowanStudent Present: Beki ChaferTargets: Pleiades Hyades Open clustersWeather: Partially cloudy Start time: 18:00Started setting up...

Time Started 17:45 Prescent DS, HS, STB As per script but using refractor Skywatcher chose bright star in South Rigel Found Coarse focus on...

Academics present: Prof Boogert (20:00 20:30), safety PHD checking in every hourStudents present: Luna Borella, Rebekah ChaferStarting time: 20:00Targets: Pleiades...

Logbook for PH3010 Solar limb darkening mini project, initial setup meeting Present: DB, MA, JC, HS Order of tasks for observation of the sun: 1) DO NOT STARE DIRECTLY...

Dome entered 10am. Present: MA, JC, HS, supervised by Dr. DB Telescope cover removed, solar filters put on camera and colour filters were already attached...

JC AD observation began 16:45 set cooling to 20 deg C changed gps UTC from 13 to 0 (units) centred on Capella to calibrate moved to M35. coords...

Present JC, AD Began cooling at 16:45 to 12 deg C (~90%) Filter wheel set to Clear, Red, Green, Blue Centred on Capella and took GPS fix. Encountered...

Start 17:48 JD (Scribe),CH,RA,MH,SG,STB 1 Enter dome, close door 1 Release ropes and unscrew bolt (put it on the control panel) 1 Open dome use...

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! Please DO NOT alter or remove the line below this line. Set EDITMETHOD Please DO NOT alter or remove the line above this line. PH3010 Solar Limb Darkening...

! Please DO NOT alter or remove the line below this line. Set EDITMETHOD Please DO NOT alter or remove the line above this line. Friday 29th November...

SLD Observation 2 Clear, Red, Green, Blue Filters used in the observations Attached are the .bmps Back to:

G. Cowan, S. Ryan, A. Abromov, observation of Atlas and Pleione, 13 images, 2 s, V filter. Start ~17:30, end ~19:30. Back to:

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Please edit and put your text etc. here Present: Andrey Abramov, Jools Elliott, Gabrielle Atkinson, Dharumvir Maharaj, Callum Ainsworth Planned to meet at 5:30pm...

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Title Article text. Comments

Title Article text. Comments

Title People present: AA, JRD, TS, RDB, LA Planned to meet at 5:30pm at entrance to dome. Entered dome and started process 17:30 Weather conditions were...

Multiple exposures where taken of: 40eri A, B and C with B, V, and R filters Back to: .

Please edit and put your text etc. here Present: JE, CA, DM, AA, SR Planned to meet a 6.00pm. Entered Dome and started process at 6.10pm Went outside established...

Please edit and put your text etc. here Present: JRD, TS, GA, LA, RDB Planned to meet at 6:00pm Entered dome at 6:10pm went outside to check weather...

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Supervisor: Daniel Beddingham Students present: Oscar Shimell, Mathew Playford, Akash Deosaran, Emelie Engels Weather conditions: Clear sky, few clouds Targets: Sun...

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Add new entry See LogBookHelp for documentation on using Logbooks See LogBooks for the entry point to Logbooks in this web. Go to Page Top

Welcome to the LogBook TWiki Application in the Public web The electronic logbook is a TWiki app. which provides a convenient way to enter and...

MarkWard 20 May 2017

MarkWard 05 Jul 2017 2017 09 20 Built script to extract anode and ground baselines based on the first few thousand samples (between the start 400ns, should...

MarkWard 27 Sep 2017 Logbook 24 01 2018 This will be my last wednesday meeting :( Sorry to be leaving you all :( I will be joining TRIUMF working on LXe optical...

MarkWard 08 Mar 2017 28/06/2017 Installed 3 of the 4 4 shooter cameras (Means all 4 cameras are now on DMTPC) Leak checks of the vessel look good...

MarkWard 23 Jan 2017 Darco Reorganised electronics cabinet to lift potentially delicate electronics off of the floor. Pumping station and penning gauge...

MarkWard 31 Jan 2017 Darco Chamber power supply voltage tests Both power supplies are capable to giving desired voltage One is a little tempremental...

MarkWard 08 Feb 2017 Darco Fixed then destroyed the Linux partition on the Camera computer Caused by repairing the windows install. Reinstalled Andor...

MarkWard 14 Feb 2017 Darco Attempt to see tracks! Rebuilt TPC amplification plane late last week Detector centered (roughly) (it is about 70 pixels off...

MarkWard 22 Feb 2017 Darco Damage to the TPC anode last week was repaired / strengthened with epoxy Used a small cluts of Kapton tape to hold spacers in...

MarkWard 01 Mar 2017 Darco Several rebuilds with improvements to grounding and field cage attachment Still no light :( HOWEVER! Lens on...

TomVaughan 27 Sep 2015

Bookmarks of MarkMcCallum Link: Web.Topic or URL Link Label http://twiki.org/ TWiki.org Atf2BunchProcessing2020 Atf 2 Bunch Processing...

My Links .ATasteOfTWiki view a short introductory presentation on TWiki for beginners .WelcomeGuest starting points on TWiki .TWikiUsersGuide...

My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

Using MaxIm DL Connecting Camera 1.Check camera is switched on and connected 1. Click the camera button in the menu bar, or ...... 1. Enter the `Setup` menu...

JC: Fixed Gaussian fits. Now pdf is no longer influenced by ADU values outside of specified range (currently mean value \pm ~75 although have also experimented with...

AriannaSaba 06 Dec 2018 https://twiki.ph.rhul.ac.uk/twiki/pub/Public/Meeting0612/Clusters.pdf Clusters.pdf Jacob Chambers: background box size 5x5 Background values...

AriannaSaba 06 Mar 2019 https://www.eso.org/public/outreach/eduoff/cas/cas2002/cas projects/germany ngc1960 1/ https://arxiv.org/pdf/astro ph/0003327.pdf in a...

Aperture photometry Photutils is an package of Astropy to provide tools for detecting and performing photometry of astronomical sources. Example of star identification...

Following our afternoon setting up Kstars in Ekos INDI, we took some dark frames at ~ 5 degrees C. Below are plots of pixel frequency vs number of photoelectrons...

Following our afternoon setting up Kstars in Ekos INDI, we took some dark frames at ~ 5 degrees C. Below are plots of pixel frequency vs number of photoelectrons...

AriannaSaba 25 Oct 2018

JC: I have been working on calculating the centroid coordinates for the detected stars in a given frame. Process: Algorithm takes list of `Star coordinates...

Here is detected stars with published data And here is an updated histogram of the absolute distance from each star in the visible frame to all stars in the corrected...

AriannaSaba 11 Dec 2018 Sigma Background estimation.pdf I investigated how the background value changes across a real image with stars in it. The first approach I...

AriannaSaba 17 Jan 2019 4 stars found by the algorithm; blobs might be too big because the threshold is too low (~973). Algorithm gives: number of stars in...

attempted to fit Gaussian with the exclusion of hot pixels by using median filter from scipy.ndimage below are plots for three different exposure times of 0.1s...

AriannaSaba 21 Feb 2019 Initial number of stars found were 85 with the blue filter and 82 with the green filter. After deleting the stars that lied in the edges of...

JC: I have investigated the aperture size using a test image of the Double cluster. I chose an appropriate test frame such that there were at least two stars `close...

Data analysis Below are some examples for Guassian fitted histograms of pixel ADU values at different exposure times. Plotting the y axis (frequency of pixels with...

AriannaSaba 28 Feb 2019 Papers on the Photometry of M36, also known as NGC 1960 https://twiki.ph.rhul.ac.uk/twiki/pub/Public/Meeting2802/0711.3104.pdf 0711....

AriannaSaba 28 Nov 2018 Trial image with Photutils.pdf Jacob Chambers: 1 import image 1 mean,median,std of whole image found 1 define threshold median 5std...

AriannaSaba 31 Jan 2019 Following the observation done on Monday, I analysed the data taken with my current algorithm. We took pictures of M35 with different exposure...

Meeting With Pavel 10 7 17 10 am moved to 17 7 17 as Pavel not available. Bar Position Tests Varied the position of the metallic bar from central to aligning with...

MembersGroup This Group encompasses all authenticated TWiki users locally authenticated and those authenticated via LDAP. It uses the new (TWiki 6.0.2) <nop...

Non collision background for ATLAS detector The main task of the group is characterisation and migitation of non collision background in ATLAS analyses. Main sources...

DMNu Group Meeting Updates This page collects my updates for the DMNu group meeting, indexed by date (scroll down older). 5th October 2016 Neck Model When...

6th Jan 2015 Currently working on: Replacing my ailing laptop! Implement FPrompt dependence in Shellfit Time Fitter Compare performance to Cathode...

Note on using IPBus firmware barry/research/Atlas/Genesys2Tester pip3 install https://github.com/ipbus/ipbb/archive/v0.5.2.tar.gz user # Cut from twiki with my...

Chat with Alexay notes: Will air be a problem for Cherenkov radiation? No as signal from metamaterial will be in reverse direction to extra background created...

Notes on using IPBus software tail f /var/log/controlhub/controlhub.log cat /var/log/controlhub/controlhub.log cat /opt/cactus/lib/controlhub/core.config ls l /opt...

Observation 03/12/19 Start: 20:00 End: 23:30 20191203.zip Comments

Observation 07/11/19 Start: 18:00 Sam Ryan present Telescope start up procedure: Connect telescope to power. Turn on Paddle: `initialising... Smart Drive...

Observation 15/01/20 NGC 884 Start 17:10 Sam Ryan present Aims: Imporve focus finding Obtain data for NGC 884 finish 19:45 20200115.zip Comments

Observation 29/11/19 Start 17:30 End 19:30 20191129.zip Comments

Observation 18/11/19 start 18:30 GPS fix took by telescope Focused on Altair. Went very well Set on Altair (Dec coordinate section) Success Moved to M92. was in lower...

AriannaSaba 28 Jan 2019 Objects observable in the sky at 8pm in January: map 45 2019 1 20.pdf 10pm: map 45 2019 1 22.pdf midnight: mapNV 45 2019 1...

Agisoft Photoscan Pro Meshlab GIMP Autodesk Maya 2016 Unity WillBurrows 27 Jul 2017

WillBurrows 14 Aug 2017

Observation 2 22/10/19 Sam Ryan present Start: 18:20 Goals: fix/identify why coords on padel are wrong investigate temperature of CCD (should the fan be...

PH4100 Major Project 2019/20 Supervisor: Prof. G. Cowan Students: Sam Ryan Backup Data: Atlas Pleione taken at 0.8s exposure: Atlas 0.8.fit Work is found in: https...

Higgs talk animations Alternative links for animations. LHC collision: Higgs to two photons YouTube How collider detectors work `How CMS detects particles...

TrigMC software release coordination: PTD`s logbook from May 2018 Notes Checking MRs to be applied to 21.0 TrigMC To see a list of the currently active TrigMC...

Personal Info AddOn Custom Data Admin topic for .PersonalInfoAddOn. For a general overview see PersonalInfoHome . This current topic and PersonalInfoModules work...

Personal Info AddOn Documentation User personalisation and reference tool. See .PersonalInfoAddOn for an introduction and installation instructions. This topic...

Personal Info Layout Modules .twikiImage { } .pIparagraphFrame { } .pIparagraphWithImageLeft { margin:1em 0 0 0; } .pIparagraphWithImageLeftText { margin left:px;...

Personal Info AddOn Application Sections Admin topic for .PersonalInfoAddOn. This topic holds a number of modules (INCLUDE sections) to display and search user...

%{`View template with a stripped down attach template from pattern skin to show the upload option only. Attachments will be automatically hidden. After uploading the...

%{`View template with a stripped down attach template from pattern skin to show the upload option only. Attachments will be automatically hidden. After uploading the...

(set personal picture) %{ Header for topic attachment table %{ Header for table at top of attach screen %{ Row for table at top of attach screen %{ Footer for...

%{`make sure that the PersonalInfo topic will be saved on normal edit` Edit

Part One Aim: Generate stars with gaussian profiles, using random positions and fluxes. `Basic` simulation program (04/10/2016): Simulation test1.py.txt Simulation...

AnishaVadher 14 Oct 2016 Working out how much background for each pixel Plotted a histogram of number of photoelectrons against the frequency for a 0.1s...

LauraBevilacqua 14 Oct 2016 MEETING 1: 14/10/2016 Reverse grayscale as black dots easier to see on white background Pixel Values set from 0 max pixel value of...

HR Python Code. hrcode.zip Comments

2020 Project Comments Progress Check 1.pptx: code for openfit, psf, histogram, and accompanying pptx AstroLabRHUL.py.txt: code for openfit, psf, histogram...

Welcome to the consultation page on the physical environment of the Physics Department Toilets: It is great that the toilets next to the Teaching Lab have been refurbished...

Log Books MPhys 2013 2013 2013 2013 2013 2013 2013 2013 2013 2012 2012 2012 2012 2012 2012 MSci...

Short Cuts: LogBook edit

Programming FPGA Cards Creating binary file for Xpress Card V7 write cfgmem format bin force size 32 interface SMAPx32 loadbit {up 0x0 ``/zfs home/barry/research...

Python Coding Cheats Analysis Code CsvFiles GeneralPlotting Control Code MainFiles

Watchlist Return to: MariyaMollova

dmesg grep i hda 10.267312 snd hda intel 0000:00:1b.0: irq 30 for MSI/MSI X 10.300524 snd hda codec idt hdaudioC0D2: autoconfig for STAC9227: line outs 4...

Instructions for registering (for non RHUL users only) In order to register with the RHUL Physics Department TWiki you must send an email to the TWiki administrator...

Gravitational Waves: Generation and Detection The main focus of my research review was to investigate the generation and detection of gravitational waves. The review...

SPE Mean Charge Analysis Background Information Found another paper that gives further detail; some equations on this page are quoted from here (specifically...

Projects: Astronomy Data Analysis: CCD statistical model: ccd model.pdf Student`s t fit for PSF: PSFCurveFit.py Sextractor: sextractorFiles...

Watchlist Return to: JoolsElliott

My links: My activities FLAVIA https://twiki.ph.rhul.ac.uk/twiki/bin/view/PP/DarkMatter/SaqibHussain LogBook My Logbook edit

Server And Client Setup Server Setup Firewall make holes in the group firewall to allow through the required ports UDP. Block these ports with firwalld on the server...

Default Files for Sextractor Below are the default files for sextractor, which are needed to run sextractor. Refer to Sextractor Guide for explanation of each file...

Candidate stars Analysis Data 2014/12/10 order 100 frames... coordinates SimonWoeginger 02 Feb 2015

Solar Limb Darkening The main aims of this project were to find the temperature of the sun as a function of optical depth. To do this 300 images were taken across...

Soundcard Dmesg output Whiteslave snd hda codec realtek hdaudioC0D0: autoconfig for ALC662 rev1: line outs 1 (0x14/0x0/0x0/0x0/0x0) type:linesnd hda codec realtek...

Spectrometer and Camera setup Here is a diagram to illustrate how the spectrometer is setup spectra setup: Light is passed through one end of the...

Spectrometer and Camera setup Here is a diagram to illustrate how the spectrometer is setup spectra setup: Light is passed through one end of the...

Spectrocopy Project The main aims of this project are to observe a star to obtain its spectrum, then analyse this to find where the lines come from and then determine...

Stellar Spectrocopy Project The main aims of this project are to observe a star to obtain its spectrum, then analyse this to find where the lines come from and then...

Using Stellarium Connecting Telescope Enter configuration window within Stellarium (F2) Go to Plugins Telescope Control, then click configure ......

Grants Positions of responsibility 2010 , Department of Physics web master May 2012 , Department of Physics impact officer 1st January 2013...

Astronomy related information Undergraduate astronomy courses PH2900 Astronomy PH3010 Scientific skills for MSci PH3920 Stellar Astrophysics PH4100 Major project...

StewartBoogert 08 Jan 2016

First get a FITS file with WCS data (see page on Astrometry.net) Download Aladin from (http://aladin.u strasbg.fr) Loading a file...

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } Astronometry.net Is a web service which calculates an astrometric solution for an image. So basically...

Software LabVIEW (2017 32 bit) LabVIEW Real Time English (2017) NI DAQmx (17.1) Python(x,y) pyfits, pyepics, wx Automation Example files...

Barn door tracker article Metric version with M6, 1 thread/mm. 25.4 TPI. Ratio between M6 and 1/4` 20 UNC is 1.27. So 290mm/1.27 228.34 mm from hinge (with...

Astronomy Cameras Main Cameras Camera Interface Webapge Manual Software Area Pixel size Chip size Gain Bits Field of View Plate Scale...

Available computers Dome main control computer Windows 7 enterprise 64 bit phdome pc1 ip :134.219.128.87 subnet : 255.255.252.0 gateway...

Currently big bit of card and angle poise lamp ; ( StewartBoogert 27 Aug 2013

Filter Wheels Main Telescope Tracking Telescope ZWO EFWmini 5 position Filter Wheel for 1.25` and 31mm Unmounted Filters Astronomy Webpage 5 slots...

StewartBoogert 25 Aug 2013

Focuser software max, old page max, new page Focuser hardware focus : TCF S focus StewartBoogert 26 Aug 2013

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } Fv (FITS viewer) Open file Open file Image Image info (FITS header information) Open file...

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } ImageJ ImageJ is a Java based image analysis program, it is mainly used for analysis of microscope images...

Windows drivers Windows 7 enterprise SP 1 SP Video card NVIDIA GeForce GT520 (used GeForce experience) Firewire (Windows 7) USB serial and...

StewartBoogert 08 Jan 2016

StewartBoogert 07 Jan 2016

Maxim DL Animation Maxim DL has the ability to make animations from a series of images. It makes a crude AVI file that`s quite large and has incomplete header information...

Measuring gain of a camera StewartBoogert 25 May 2013

Old Dome PC Installed Software Windows Windows 7 Install SBIG Drivers Mapping Network drives Capture MaximDL Development python(x,y) JosephBayley...

Mapping Network Drives Currently two drives from the main dome PC have been mapped to the old dome PC. These drives are Y:/ 5 Development...

Maxim DL Use installation found on Main Dome PC: C:\Software\2 Capture\MaxImDL523 follow install instructions Enter license details: JosephBayley...

Python(x,y) Find python(x,y) install at: https://python xy.github.io/ On the main Dome PC: C:\Software\5 Development\Python(x,y) 2.7.10.0 Follow...

SBIG Camera Drivers Download old driver checker for parallel ports from: https://www.sbig.com/support/software archive/ Download `DriverChecker64 (Windows...

Windows 7 32bit Install The computer needs to be booted from disk: Enter the bios, press F2 on startup Enter bios password: `` Navigate...

Telescope and Optics Telescope Optic Diameter Focal Length Plate Scale Angular Resolution Minimum Airy Disk (Blue) Manual Meade LX200GPS...

Other equipment solar limb darkening equipment http://www.baader planetarium.de/com/sofifolie/details e.htm

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } Python (pyfits) Open FITS file Opening a FIT file import pyfitsf pyfits.open(`fileName`)d f...

Mac OSX macports port install py27 pip sudo pip 2.7 install stsci.distutils sudo pip 2.7 install stscipython IRAF? Windows c:\python27\Scripts...

Scientific linux 6.4 (running under virutal box) VB extensions Host OS disk mount (Host Desktop/Data, Quest /media/sf Data/) add domeuser to vboxsf group...

Astronomy software Free software Stellarium StellariumUsage Using Stellarium http://www.focusmax.org Focus Max drivers Commercial software...

Spectra related Spectrometer Fiber Optic The fiber optic bunlde has ~30 fibres, arranged linearly at one end circularly at the other Grating Groove density...

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } Stellarium Stellarium is a free open source planetarium for your computer. It shows a realistic sky in...

Guiding and alignment software align max editor guiding software ASCOM control of telescope problem problem (possible issue) zone/clock problem...

Introduction Motivation Software Photogrammetry Dome Images Modelling Dome Main Scope Textures Star Field VR StewartBoogert 27 Jul...

2015 Projects Solar limb darkening 2019/20 Projects Photometry

2019/20 Photometry Projects (BSc) Notes and data for 2019/20 photometry projects. 20jan2020 Atlas and Pleione, V filter, 2s: 28jan2020 Atlas and Pleione, B and...

Charged coupled devices Basic operation of CCD cameras StewartBoogert 25 May 2013

function toggleDiv(divId) { $(`#` divId).toggle(`slow`); } noautolink Code Snippets Python Analysis Documentation class pecData(): Class to store...

Mac configuration mac ports Linux Windows StewartBoogert 31 Mar 2013

StewartBoogert 28 Mar 2013

background to dithering StewartBoogert 06 Sep 2013

Undergraduate reports and latex templates There is no one template and style that fits all types of reports. This is a guide to writing better reports and developing...

StewartBoogert 06 Sep 2012

2015 Projects Photometry Spectroscopy 2016 Projects Photometry Spectroscopy 2017 Projects 2018 Projects Photometry 2019 Projects...

Solar limb darkening Background material Experimental script https://twiki.ph.rhul.ac.uk/twiki/pub/Public/StewartBoogertMSciSkillsProjects/Statstar...

Documentation CCD Manual (ST 8XME) CCD Affects CCD Image Calibration Information Data analysis and more Preliminary programming 20151310 Lab...

Preliminary Work and Investigations Background/noise investigation and simulation input Logbook entry 20161004 : Exposure time scan at 5 degrees...

Simulation input (background and noise, Anisha) Simulation (generate star field from coordinates and fluxes, Aaron) Star finder (locate bright objects in...

Meeting 20161007 People present: Stewart Boogert, Glen Cowan, Aaron Andrews, Anisha Vadher, James Angthopo, Will Burrows Anisha: Data taking 20161004 : Exposure...

AnishaVadher 13 Oct 2016 Working out how much background for each pixel Plotted a histogram of number of photoelectrons against the frequency for a 0.1s...

AnishaVadher 14 Oct 2016 Anisha: Working out how much background for each pixel Plotted a histogram of number of photoelectrons against the frequency for...

LauraBevilacqua 18 Oct 2016 To do by Friday: Select star cluster for observations Anisha: Fix histrogram from last week Plot median as a function of...

AaronAndrews 25 Oct 2016 To do by Friday: Anisha: Fit sqrt(sigma0^2 lambda t) to the fitted standard deviation as a function of exposure time plot...

AnishaVadher 29 Oct 2016 To do list: Anisha: Aaron: Simulate a star field using known star parameters. Laura: Check star...

AaronAndrews 10 Nov 2016 Anisha: Central Coords determined from uploading images to astrometry.net Simbad database used 14` radius as images at 10`...

AaronAndrews 15 Nov 2016 Anisha: Aaron: Updated code: Simulation test9.py.txt Found cause of position stretch in simulations did not account for relative...

AaronAndrews 24 Nov 2016 Simulation: ( Simulation test10.py.txt) Made example star field with no background used M103 data, 108 stars total. ( M103 Simtest...

AaronAndrews 01 Dec 2016 Observation on 25/11/2016: Observation 2: 20161125 Took multiple luminous, red, visual, and blue frames of Double Cluster and Dragonfly...

AnishaVadher 08 Dec 2016 Updated code: Analysis1.py.txt Created a mode filter and improved sigma filter (uses truncation method) Used to analyse M...

Meetings 20171013 meeting 20171020 meeting 20171027 meeting 20171103 meeting 20171110 meeting 20171117 meeting 20171124 meeting...

Star Simulation Stot distributed using Pareto distribution Star evaluated in a box, so runs quicker Gaussian noise added to background in addition to Poisson...

AnishaVadher 16 Jan 2017 Prior to determining flux: Ran mode and Sigma filters on simulated blue and visual Double Cluster, with flat background (mean 900,...

Minimum separation of stars Need threshold for position matching of stars between frames. For each star in true visual data for Double Cluster (), determined...

Matching Stars Have to find the minimum distance between all stars that are input and the candidate stars Set star finding threshold to 1 Sigma to include...

AnishaVadher 06 Feb 2017 Scaling Correction Transforming from RA/DEC into pixel coordinates: where M^ 1 pixels/degrees is the inverse of the transformation...

Drizzle Algorithm Tested for 2 Dragonfly Cluster images (blue filter, no. 1 and 15) from observation 2. Stacking 1 image took approx. 2 hours. Overlap parameters...

Note: last week, report segments requested in place of usual weekly update. Aaron Image offset parameter investigation: Offset Parameters.pdf Summary: Needed...

AnishaVadher 22 Feb 2017 c V g V c B g B Double Cluster 22.38 0.29 0.95 0.02 22.86 0.21 0.94 0.02 Dragonfly Cluster 22.72...

AnishaVadher 07 Mar 2017 c V g V c B g B Original DBCL 22.3808 0.2927 0.9540 0.0249 22.8611 0.2052 0.9399 0.0168 Updated DBCL...

Dark Frames: Exposure time (s) Image Mean (sigma)...

Fitting Curve Code cd Y: cd FourthYear MajorProject/ import astropy.io.fits f astropy.io.fits.open(`./60s DarkFrame.FIT`) f0 f 0 d f0.data hist(d.flatten()...

Histogram of ADU pixel values counted from a dark frame taken with exposure time 1s and ccd temperature 15 degrees. A gaussian fit has been fitted to the histogram...

BekiChafer 19 Oct 2017

Star Field Simulation: First a random position function was made for a variable canvas size and number of stars. At this point, the stars are just points. Next, a...

Star Field Simulation Attempted two things this week: Variations in brightness of star Statistical Fluctuations Stot was uniformly distributed over a chosen maximum...

Log of Observation 1: Academic Present: Prof S BoogertStudents Present: Rebekah Chafer, Luna BorellaWeather Conditions: Mostly clear, some cloudTime: 17:00...

Observation 1 We took two images of the double cluster: NGC869, NGC884, with two different cameras, with different fields of view. Star Simulation Main aim this...

Background Analysis Alpha persei image median plotted of 65x65 box centered around each pixel . . . . . . . . . . . . . . 101x101 201x201 . . . . . . . . . ....

Background 301x301 401x401 Star finder Star finder on simulated data Analysis of Observation 1 Observation 1 image is saturated. Other profile taken of same star...

Star Field Simulation Stot distribution changed to a skewed Gaussian so there are more dim stars than bright stars Shape function fixed to be more realistic. Adds...

Fixed error in the star simulation were getting pixel values way bigger than 65,000. This was because of the Stot distribution used. Last week, I used the scipy...

Added error bars to the Histogram Error bars are small We plotted the new hypothesis mean mean0 mu t , however since our data was all over the place we used the...

Dark Analysis Meeting1110 Meeting1810 Meeting2510 Meeting0111 Meeting0811 Meeting2911 Meeting0612...

Star Matching Algorithm Original Image (simulated) Adjusted Image moved in x direction by 10 pixels: Star Matching Algorithm then matches stars to one another by using...

Academic Present: Dr Laurie NevayStudents Present: Luna Borella, Rebekah ChaferWeather Conditions: ClearTime: 22:40 1:50Targets: Betelgeuse Pleiades Cluster in...

Pleiades is too wide to get in one shot with normal telescope. Would take approximately 25 tiles to get whole cluster. Therefore, the plan is to use the smaller telescope...

Observation Took multiple photos of Pleiades in small field of view in different filters. Then moved to a wider field of view, no filter. Aiming to use this for HR...

Error estimate Using star fitting of a single star e.g Found Flux plotted hist Blue filter Green Filter Red filter: Star Matching Red UnmatchedGreen Matched Zoomed...

Error estimate Blue filter Green Filter: Removing Stars due to proximity #radius apart, not sigma. LunaBorella 08 Feb 2018

Error estimate Green Filter HR Diagram LunaBorella 13 Feb 2018

Finding the best radius of the aperture circle. Simulated a star with 2D Gaussian with a sigma of 2 pixels, with no background. Then, I gradually increased the radius...

BekiChafer 28 Feb 2018

Error estimate Main squence fitting Using the magnitude distance equation, where the offset for the first 2 are 6.3 and the offset for the third is 6 we find a distance...

BekiChafer 06 Feb 2018

Functions to open FIT files, make histograms and fit a Gaussian. Code is untested. from astropy.io import fits import numpy as np import matplotlib.pyplot as plt...

import numpy as np import random as r import matplotlib.pyplot as plt from astropy.io import fits import math as m import scipy as sc #from scipy.stats import...

from astropy.io import fits from scipy.optimize import curve fit import glob from photutils import CircularAperture BLACK 0 def OpenImageHist(filename):...

StewartBoogert 19 Mar 2014

Python algorithms and methods Fitting a straight line Fitting an exponential Fiiting a Gaussian to data StewartBoogert 25 May 2013

Proposals 143 MHz Meteor Scattering/Detection 408 MHz 1.42 GHz (Hydrogen Line) New steerable dish and receiver packages: Lab: The Spider...

Solar limb darkening Background material Image0055 14 10 28 11 01 11.bmp: Image0055 14 10 28 11 01 11.bmp

Introduction Spectrometer and camera setup Meeting Notes 20151002 20151007 20151014 20151021 20151028 20151104 20151111...

Data collection sessions 20161005 20161019 20161020 20161021 20161102 20161107 20161109 20161123 20161201...

In a nutshell: This sequence finds M31 (Andromeda), centers and zoom the view on it: ctrl f M31 Enter Space Bar / Navigating around Moving around...

StewartBoogert 27 Aug 2013

StewartBoogert 31 Aug 2013 20130831 Telescope 10.MOV: 20130831 Telescope 10.MOV 20130831 Telescope 11.MOV: 20130831 Telescope 11.MOV

PPOTH Hub Settings: Connect to Meade LX200 1 Start black computer 1 Should give you the choice of two Windows versions (32 and 64 bit) using the cursors...

BdsimStuff

MarkWard 18 Jul 2017 13/07/2017 Anode installed in the lab, in air test after first cleaning Note The electrical is set up to pass through the vacuum feedthroughs...

TWiki Administrator User The TWikiAdminUser has been added to TWiki to make it possible to login without needing to create a TWiki User, or to temporarily login...

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Following our afternoon setting up Kstars in Ekos INDI, we took some dark frames at ~ 5 degrees C. Below are plots of pixel frequency vs number of photoelectrons...

Discussion Summary for Theory Experiment Interplay at the LHC Workshop: .ThExpLHC My Links .ATasteOfTWiki view a short introductory presentation on TWiki...

Bookmarks of TimWilsonSoppitt Link: Web.Topic or URL Link Label http://twiki.org/ TWiki.org Return to: TimWilsonSoppitt

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My Links ATasteOfTWiki view a short introductory presentation on TWiki for beginners WelcomeGuest starting points on TWiki TWikiUsersGuide complete...

TrigMC software release coordination: PTD`s logbook page for May 2018 Notes Use reverse chronological order. For each shift date show the NEW MRs, and any related...

TrigMC software release coordination: PTD`s logbook page for June 2018 Notes Use reverse chronological order. For each shift date show the NEW MRs, and any related...

TrigMC software release coordination: PTD`s logbook page for July 2018 Notes Use reverse chronological order. For each shift date show the NEW MRs, and any related...

TrigMC software release coordination: PTD`s logbook page for August 2018 Notes Use reverse chronological order. For each shift date show the NEW MRs, and any related...

TrigMC software release coordination: PTD`s logbook page for September 2018 Notes Use the shift date in reverse chronological order to enter any new Merge Requests...

TrigMC software release coordination: PTD`s logbook page for October 2018 Notes Use the shift date in reverse chronological order to enter any new Merge Requests...

TrigMC software release coordination: PTD`s logbook page for November 2018 Notes Use the shift date in reverse chronological order to enter any new Merge Requests...

TrigMC software release coordination: PTD`s logbook page for December 2018 Notes Use the shift date in reverse chronological order to enter any new Merge Requests...

TrigMC software release coordination: PTD`s logbook page for January 2019 Notes Use the shift date in reverse chronological order to enter any new Merge Requests...

My Links .ATasteOfTWiki view a short introductory presentation on TWiki for beginners .WelcomeGuest starting points on TWiki .TWikiUsersGuide...

Wireless Driver problem(Acer) Wireless driver didn`t work when I installed ubuntu. This solved the problem. YOU NEED A WIRED ETHANET CONNECTION Open the terminal...

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Using x2go x2go will allow you to connect to a linux server (linappserv) from a linux, Windows or Mac client. x2go is designed to reduce the effect of the latency...

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