Right Front Bent Gregorian Performance Verification

  • Data were collected on March 15th/16th/24th (half nights) and March 25th (all night), 2011 by DMiller and KBoutsia
  • Date were analyzed by DMiller and KBoutsia

Data Collection

Elevation Preset Guiding/Collimation Dice5 (1x1) Dice5 (10x10) Large Offsets (1'-3') Inverse Field
30 3, 7, c, d 3, 7, c, d i f n  
45 4, a, b 4, a, b j o m  
60 2, 6, II 2, 6, II 10, IV, k, p 9, g    
75 1, 5, I, e 1, 5, I, e 8 (bad trans.), 12, V , l 11, III, h    

*NOTE* References 1-11 are from 20110316.
*NOTE* References I-V are from 20110324.
*NOTE* References a-p are from 20110325.

Results

Small (1") and Medium (10") Offset Accuracy

  Dice5 (1"x1")
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
30 45.43 54.93 63.37 0.12 +- 0.07 1.52 +- 0.34
45 28.30 31.98 50.02 0.13 +- 0.04 0.90 +- 0.11
60 30.34 34.91 39.04 0.16 +- 0.04 1.10 +- 0.16
75 32.53 47.27 53.96 0.07 +- 0.03 1.12 +- 0.17
Full Set Average 35.95 43.85 49.23  
=> Sigma values measured in milliarcsec

  Dice5 (10"x10")
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
30 75.62 65.51 101.44 0.11 +- 0.05 1.44 +- 0.26
45 39.05 48.60 55.97 0.14 +- 0.04 1.00 +- 0.10
60 65.87 43.73 66.53 0.04 +- 0.03 1.24 +- 0.17
75 48.04 55.04 62.22 0.07 +- 0.03 1.10 +- 0.18
Full Set Average 55.85 57.44 68.21  
=> Sigma values measured in milliarcsec

  Dice5 May
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
40 (10"x10") 39.38 35.97 47.81 0.10 +- 0.04 0.99 +- 0.13
75 (10"x10") 40.43 23.44 41.12 0.23 +- 0.06 0.62 +- 0.09
75 (1"x1") 17.10 24.27 27.00 0.26 +- 0.04 0.61 +- 0.06
Full Set Average 34.92 29.09 40.24  
=> Sigma values measured in milliarcsec

Dice5 Large (1'-3')
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
30 56.08 72.82 86.02 0.07 +- 0.05 1.32 +- 0.21
45 48.48 74.85 113.68 0.11 +- 0.05 0.77 +- 0.14
Full Set Average 55.85 57.44 68.21  
=> Sigma values measured in milliarcsec

  • Dice5 results for RFBG 2011:
    dice5_resultsRFBG.png

* Dice5 results for LDG 2010:
dice5_resultsLDG.png

  Dice5 (1"x1") - LDG
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
25 23.28 19.60 26.67 0.13 +- 0.04 0.75 +- 0.10
40 14.24 37.60 34.05 0.065 +- 0.03 0.66 +- 0.12
55 18.16 34.67 33.86 0.046 +- 0.02 0.84 +- 0.17
70 n/a n/a n/a n/a n/a
85 15.30 19.17 21.33 0.045 +- 0.025 0.46 +- 0.07
Full Set Average 17.87 28.56 29.01  
=> Sigma values measured in milliarcsec

  Dice5 (10"x10") - LDG
Elevation Ra Sigma Dec Sigma Average Distance Ellipticity FWHM
25 18.50 40.32 37.47 0.13 +- 0.04 0.73 +- 0.065
40 32.14 39.63 43.77 0.06 +- 0.03 0.65 +- 0.09
55 20.04 29.18 33.07 0.04 +- 0.02 0.50 +- 0.03
70 27.43 13.96 27.22 0.05 +- 0.03 0.45 +- 0.05
85 18.51 30.52 31.39 0.05 +- 0.03 0.53 +- 0.09
Full Set Average 23.61 31.78 34.68  
=> Sigma values measured in milliarcsec

  • Dice5 results for 1 set with good seeing for RFBG 2011:
    dice5_1_45a.png

Guider Corrections

  • FWHM and Guider correction variations for 20110325 - all night:
    20110325_allnight.png

  • FWHM and Guider correction variations for good seeing (20110325):
    20110325_goodFW.png

  • FWHM and Guider correction variations for seeing ~1'' (20110325):
    20110325around1FW.png

  • FWHM and Guider correction variations for seeing >1.5'' (20110325):
    20110325_badFW.png

  • FWHM and Guider correction variations for 20110413 LDG - for comparison:
    20110413.png

  • FWHM and Guider Correction variations for 20110402 LFBG - for comparison:
    20110402LFBG.png

  • FWHM and Guider Correction variations for 20110405 LFBG - for comparison:
    20110405LFBG.png

Collimation

Iterations Collimated/Set Collimated Percentage Time Required (seconds)
1 2/9 22% 40
2 4/9 44% 80
3 8/9 89% 120
5 9/9 100% 200

  • col0316.pdf: Total Zernikes sent throughout the night (20110316)

  • col0324.pdf: Total Zernikes sent throughout the night (20110324)

  • col0325.pdf: Total Zernikes sent throughout the night (20110325)

-- KonstantinaBoutsia - 11 Apr 2011

Topic attachments
I Attachment Action Size Date Who Comment
20110325_allnight.pngpng 20110325_allnight.png manage 75 K 20 Apr 2011 - 00:39 UnknownUser FWHM and Guider correction variations for 20110325 - all night
20110325_badFW.pngpng 20110325_badFW.png manage 84 K 20 Apr 2011 - 00:55 UnknownUser FWHM and Guider correction variations for seeing >1.5'' (20110325)
20110325_goodFW.pngpng 20110325_goodFW.png manage 65 K 20 Apr 2011 - 00:45 UnknownUser FWHM and Guider correction variations for good seeing (20110325)
20110325around1FW.pngpng 20110325around1FW.png manage 74 K 20 Apr 2011 - 00:45 UnknownUser FWHM and Guider correction variations for seeing ~1'' (20110325)
20110402LFBG.pngpng 20110402LFBG.png manage 78 K 22 Apr 2011 - 18:28 UnknownUser FWHM and Guider Correction variations for 20110402 LFBG - for comparison
20110405LFBG.pngpng 20110405LFBG.png manage 76 K 22 Apr 2011 - 18:29 UnknownUser FWHM and Guider Correction variations for 20110405 LFBG - for comparison
20110413.pngpng 20110413.png manage 73 K 20 Apr 2011 - 00:46 UnknownUser FWHM and Guider correction variations for 20110413 - for comparison
col0316.pdfpdf col0316.pdf manage 31 K 20 Apr 2011 - 00:57 UnknownUser Total Zernikes sent throughout the night (20110316)
col0324.pdfpdf col0324.pdf manage 15 K 20 Apr 2011 - 00:58 UnknownUser Total Zernikes sent throughout the night (20110324)
col0325.pdfpdf col0325.pdf manage 47 K 20 Apr 2011 - 01:00 UnknownUser Total Zernikes sent throughout the night (20110325)
Topic revision: r9 - 15 Sep 2011, KonstantinaBoutsia
This site is powered by FoswikiCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding Foswiki? Send feedback