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 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...
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...
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...
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...
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