Difference: StewartBoogertPhotometry20161104 (1 vs. 9)

Revision 904 Nov 2016 - AaronAndrews

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 30 to 29
 
    • Use plate scale (e.g 0.61 arcsec/pixel) to convert angular position to pixel scale position. (Not entirely accurate - isn't linear near image edges)
    • Linear transformation of positions so origin is in bottom-left corner of image.
  • Tested generation for recorded stars in Double Cluster and M103. For both: 1530x1020 pixels, Sigma_x=Sigma_y=3, rho=0, includes background+saturation
Deleted:
<
<
  • Double Cluster (center RA/DEC (J2000): 2h19m0.00s/+57deg09'00.0") - generated with switched axes due to programming error:
  • DoubleClusterTest1.png
 
  • M103 (center RA/DEC (J2000): 1h33m12.01s/+60deg42'00.0"):
  • M103Test1.png
Added:
>
>
  • Double Cluster (center RA/DEC (J2000): 2h19m0.00s/+57deg09'00.0") - generated with switched axes due to programming error:
  • DoubleClusterTest1.png
 Laura:
  • Algorithm can return:
    • The number of stars in the image

Revision 804 Nov 2016 - AnishaVadher

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 11 to 11
 
    • Check star finder finds all stars in images from observation.
Progress:
Changed:
<
<
Observation 1: Looked at M103, Dragonfly Cluster and Double Cluster with luminescence, red, green (visual) and blue filters.
>
>
Observation 1: Looked at M103, Dragonfly Cluster and Double Cluster with luminescence, red, green (visual) and blue filters all at -15 degrees.
  Anisha:

  • Used Simbad catalog in Aladin to get RA/DEC and B, V and R magnitudes to give to Aaron to a real simulate starfield
  • Used data to plot B-V HR diagram for observed clusters
  • Hertzsprung Russell diagram for double cluster using data from Simbad:
    HRDoubleCluster.png
Added:
>
>
  • Hertzsprung Russell diagram for M103 using data from Simbad:
    HRM103.png
 Aaron:

Simulation program: Simulation_test7.py.txt

Line: 52 to 54
 
META FILEATTACHMENT attachment="HRDoubleCluster.png" attr="" comment="Hertzsprung Russell diagram for double cluster using data from Simbad" date="1478259202" name="HRDoubleCluster.png" path="HRDoubleCluster.png" size="118666" user="zyva858" version="1"
META FILEATTACHMENT attachment="DoubleClusterTest1.png" attr="" comment="Double Cluster simulation - axes switched" date="1478263029" name="DoubleClusterTest1.png" path="DoubleClusterTest1.png" size="12621" user="zyva010" version="1"
META FILEATTACHMENT attachment="M103Test1.png" attr="" comment="M103 simulation" date="1478263228" name="M103Test1.png" path="M103Test1.png" size="16669" user="zyva010" version="1"
Added:
>
>
META FILEATTACHMENT attachment="HRM103.png" attr="" comment="Hertzsprung Russell diagram for M103 using data from Simbad" date="1478264654" name="HRM103.png" path="HRM103.png" size="38070" user="zyva858" version="1"
META FILEATTACHMENT attachment="Double_Cluster.jpg" attr="" comment="Double cluster on Aladin" date="1478264831" name="Double_Cluster.jpg" path="Double_Cluster.jpg" size="139062" user="zyva858" version="1"
META FILEATTACHMENT attachment="M103.jpg" attr="" comment="M103 on Aladin" date="1478264884" name="M103.jpg" path="M103.jpg" size="121048" user="zyva858" version="1"

Revision 704 Nov 2016 - AaronAndrews

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 27 to 27
 
    • Take difference in star coordinates and origin coordinates (e.g. RA_star-RA_o) to gain angular positions in relation to origin.
    • Use plate scale (e.g 0.61 arcsec/pixel) to convert angular position to pixel scale position. (Not entirely accurate - isn't linear near image edges)
    • Linear transformation of positions so origin is in bottom-left corner of image.
Changed:
<
<
  • Tested generation for recorded stars in Beehive Cluster, at RA=130.085106868, DEC=19.6628111314 (degrees).
  • (Image size=1530x1020, sigma_x/y=3, rho=0, exposure=10 seconds, no background, added saturation):
>
>
  • Tested generation for recorded stars in Double Cluster and M103. For both: 1530x1020 pixels, Sigma_x=Sigma_y=3, rho=0, includes background+saturation
  • Double Cluster (center RA/DEC (J2000): 2h19m0.00s/+57deg09'00.0") - generated with switched axes due to programming error:
  • DoubleClusterTest1.png
  • M103 (center RA/DEC (J2000): 1h33m12.01s/+60deg42'00.0"):
  • M103Test1.png
 Laura:
  • Algorithm can return:
    • The number of stars in the image
Line: 49 to 50
 
META FILEATTACHMENT attachment="DBLC_Lum_15s_StarFinder.png" attr="" comment="" date="1478255820" name="DBLC_Lum_15s_StarFinder.png" path="DBLC_Lum_15s_StarFinder.png" size="31737" user="zyvb786" version="1"
META FILEATTACHMENT attachment="DBCL_Lum_15s_FitsImage.png" attr="" comment="" date="1478255820" name="DBCL_Lum_15s_FitsImage.png" path="DBCL_Lum_15s_FitsImage.png" size="147579" user="zyvb786" version="1"
META FILEATTACHMENT attachment="HRDoubleCluster.png" attr="" comment="Hertzsprung Russell diagram for double cluster using data from Simbad" date="1478259202" name="HRDoubleCluster.png" path="HRDoubleCluster.png" size="118666" user="zyva858" version="1"
Added:
>
>
META FILEATTACHMENT attachment="DoubleClusterTest1.png" attr="" comment="Double Cluster simulation - axes switched" date="1478263029" name="DoubleClusterTest1.png" path="DoubleClusterTest1.png" size="12621" user="zyva010" version="1"
META FILEATTACHMENT attachment="M103Test1.png" attr="" comment="M103 simulation" date="1478263228" name="M103Test1.png" path="M103Test1.png" size="16669" user="zyva010" version="1"

Revision 604 Nov 2016 - LauraBevilacqua

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 8 to 8
 
  • Aaron:
    • Simulate a star field using known star parameters.
  • Laura:
Changed:
<
<
>
>
    • Check star finder finds all stars in images from observation.
 Progress:

Observation 1: Looked at M103, Dragonfly Cluster and Double Cluster with luminescence, red, green (visual) and blue filters.

Line: 17 to 17
 
  • Used Simbad catalog in Aladin to get RA/DEC and B, V and R magnitudes to give to Aaron to a real simulate starfield
  • Used data to plot B-V HR diagram for observed clusters
Changed:
<
<
  • Hertzsprung Russell diagram for double cluster using data from Simbad:
    HRDoubleCluster.png
>
>
  • Hertzsprung Russell diagram for double cluster using data from Simbad:
    HRDoubleCluster.png
 Aaron:

Simulation program: Simulation_test7.py.txt

Line: 30 to 29
 
    • Linear transformation of positions so origin is in bottom-left corner of image.
  • Tested generation for recorded stars in Beehive Cluster, at RA=130.085106868, DEC=19.6628111314 (degrees).
  • (Image size=1530x1020, sigma_x/y=3, rho=0, exposure=10 seconds, no background, added saturation):
Changed:
<
<
>
>
 
Changed:
<
<
>
>
Laura:
  • Algorithm can return:
    • The number of stars in the image
    • The number of pixels in each star
    • The coordinates of the pixels in the stars
    • The pixel values at each coordinate
    • The weighted average of x and y positions
  • Next step is to convert coordinates to RA and Dec and compare to actual values
  • Luminescence image of Double Cluster at 15s exposure:
DBCL_Lum_15s_FitsImage.png
  • Stars located using algorithm, counted 279 stars:
DBLC_Lum_15s_StarFinder.png
 
META FILEATTACHMENT attachment="BeehiveClusterTest1.png" attr="" comment="Beehive Cluster simulation 1 (size=1530x1020, exposure=10 secs, saturated, no background)" date="1478098184" name="BeehiveClusterTest1.png" path="BeehiveClusterTest1.png" size="9331" user="zyva010" version="1"
META FILEATTACHMENT attachment="Simulation_test7.py.txt" attr="" comment="Simulation test 7 (02/11/2016)" date="1478102283" name="Simulation_test7.py.txt" path="Simulation_test7.py" size="16054" user="zyva010" version="1"

Revision 504 Nov 2016 - AnishaVadher

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016

To do list:

  • Anisha:
Changed:
<
<
    • Take dark frame exposures at a higher and lower temperature
>
>
 
  • Aaron:
    • Simulate a star field using known star parameters.
  • Laura:
Progress:
Changed:
<
<
Anisha:
>
>
Observation 1: Looked at M103, Dragonfly Cluster and Double Cluster with luminescence, red, green (visual) and blue filters.

Anisha:

  • Used Simbad catalog in Aladin to get RA/DEC and B, V and R magnitudes to give to Aaron to a real simulate starfield
  • Used data to plot B-V HR diagram for observed clusters
  • Hertzsprung Russell diagram for double cluster using data from Simbad:
    HRDoubleCluster.png
  Aaron:
Line: 24 to 30
 
    • Linear transformation of positions so origin is in bottom-left corner of image.
  • Tested generation for recorded stars in Beehive Cluster, at RA=130.085106868, DEC=19.6628111314 (degrees).
  • (Image size=1530x1020, sigma_x/y=3, rho=0, exposure=10 seconds, no background, added saturation):
Changed:
<
<
>
>
  *
Added:
>
>
 
META FILEATTACHMENT attachment="BeehiveClusterTest1.png" attr="" comment="Beehive Cluster simulation 1 (size=1530x1020, exposure=10 secs, saturated, no background)" date="1478098184" name="BeehiveClusterTest1.png" path="BeehiveClusterTest1.png" size="9331" user="zyva010" version="1"
META FILEATTACHMENT attachment="Simulation_test7.py.txt" attr="" comment="Simulation test 7 (02/11/2016)" date="1478102283" name="Simulation_test7.py.txt" path="Simulation_test7.py" size="16054" user="zyva010" version="1"
META FILEATTACHMENT attachment="DBLC_Lum_15s_StarFinder.png" attr="" comment="" date="1478255820" name="DBLC_Lum_15s_StarFinder.png" path="DBLC_Lum_15s_StarFinder.png" size="31737" user="zyvb786" version="1"
Line: 31 to 38
 
META FILEATTACHMENT attachment="Simulation_test7.py.txt" attr="" comment="Simulation test 7 (02/11/2016)" date="1478102283" name="Simulation_test7.py.txt" path="Simulation_test7.py" size="16054" user="zyva010" version="1"
META FILEATTACHMENT attachment="DBLC_Lum_15s_StarFinder.png" attr="" comment="" date="1478255820" name="DBLC_Lum_15s_StarFinder.png" path="DBLC_Lum_15s_StarFinder.png" size="31737" user="zyvb786" version="1"
META FILEATTACHMENT attachment="DBCL_Lum_15s_FitsImage.png" attr="" comment="" date="1478255820" name="DBCL_Lum_15s_FitsImage.png" path="DBCL_Lum_15s_FitsImage.png" size="147579" user="zyvb786" version="1"
Added:
>
>
META FILEATTACHMENT attachment="HRDoubleCluster.png" attr="" comment="Hertzsprung Russell diagram for double cluster using data from Simbad" date="1478259202" name="HRDoubleCluster.png" path="HRDoubleCluster.png" size="118666" user="zyva858" version="1"

Revision 404 Nov 2016 - LauraBevilacqua

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 29 to 29
 
META FILEATTACHMENT attachment="BeehiveClusterTest1.png" attr="" comment="Beehive Cluster simulation 1 (size=1530x1020, exposure=10 secs, saturated, no background)" date="1478098184" name="BeehiveClusterTest1.png" path="BeehiveClusterTest1.png" size="9331" user="zyva010" version="1"
META FILEATTACHMENT attachment="Simulation_test7.py.txt" attr="" comment="Simulation test 7 (02/11/2016)" date="1478102283" name="Simulation_test7.py.txt" path="Simulation_test7.py" size="16054" user="zyva010" version="1"
Added:
>
>
META FILEATTACHMENT attachment="DBLC_Lum_15s_StarFinder.png" attr="" comment="" date="1478255820" name="DBLC_Lum_15s_StarFinder.png" path="DBLC_Lum_15s_StarFinder.png" size="31737" user="zyvb786" version="1"
META FILEATTACHMENT attachment="DBCL_Lum_15s_FitsImage.png" attr="" comment="" date="1478255820" name="DBCL_Lum_15s_FitsImage.png" path="DBCL_Lum_15s_FitsImage.png" size="147579" user="zyvb786" version="1"

Revision 302 Nov 2016 - AaronAndrews

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 15 to 15
  Aaron:
Added:
>
>
Simulation program: Simulation_test7.py.txt
 
  • Given list of star parameters fom Anisha - includes positions (RA, DEC) and magnitudes (for B, V, R filters).
  • Method for converting angular coordinates to pixel coordinates:
    • Take camera/telescope alignment as coordinates for image center, or origin.
Line: 27 to 28
  *

META FILEATTACHMENT attachment="BeehiveClusterTest1.png" attr="" comment="Beehive Cluster simulation 1 (size=1530x1020, exposure=10 secs, saturated, no background)" date="1478098184" name="BeehiveClusterTest1.png" path="BeehiveClusterTest1.png" size="9331" user="zyva010" version="1"
Added:
>
>
META FILEATTACHMENT attachment="Simulation_test7.py.txt" attr="" comment="Simulation test 7 (02/11/2016)" date="1478102283" name="Simulation_test7.py.txt" path="Simulation_test7.py" size="16054" user="zyva010" version="1"

Revision 202 Nov 2016 - AaronAndrews

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016
Line: 6 to 6
 
  • Anisha:
    • Take dark frame exposures at a higher and lower temperature
  • Aaron:
Changed:
<
<
*
>
>
    • Simulate a star field using known star parameters.
 
  • Laura: *
\ No newline at end of file
Added:
>
>
Progress:

Anisha:

Aaron:

  • Given list of star parameters fom Anisha - includes positions (RA, DEC) and magnitudes (for B, V, R filters).
  • Method for converting angular coordinates to pixel coordinates:
    • Take camera/telescope alignment as coordinates for image center, or origin.
    • Take difference in star coordinates and origin coordinates (e.g. RA_star-RA_o) to gain angular positions in relation to origin.
    • Use plate scale (e.g 0.61 arcsec/pixel) to convert angular position to pixel scale position. (Not entirely accurate - isn't linear near image edges)
    • Linear transformation of positions so origin is in bottom-left corner of image.
  • Tested generation for recorded stars in Beehive Cluster, at RA=130.085106868, DEC=19.6628111314 (degrees).
  • (Image size=1530x1020, sigma_x/y=3, rho=0, exposure=10 seconds, no background, added saturation):
  • *

META FILEATTACHMENT attachment="BeehiveClusterTest1.png" attr="" comment="Beehive Cluster simulation 1 (size=1530x1020, exposure=10 secs, saturated, no background)" date="1478098184" name="BeehiveClusterTest1.png" path="BeehiveClusterTest1.png" size="9331" user="zyva010" version="1"

Revision 129 Oct 2016 - AnishaVadher

Line: 1 to 1
Added:
>
>
META TOPICPARENT name="StewartBoogertPhotometry2016"
-- AnishaVadher - 29 Oct 2016

To do list:

  • Anisha:
    • Take dark frame exposures at a higher and lower temperature
  • Aaron: *
  • Laura: *
 
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