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⇤ ← Revision 21 as of 2014-01-31 16:27:45 →
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Deletions are marked like this. Additions are marked like this.
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 .First light. Check detector noise. Test main scripts to be used: ''track, cross, pointliss, focusp, focusliss, otfgeom, skydip_up, skydip_updown''.
 .Radio alignment by background minimization.
 .No antenna data for the entire session.		  *First light. Check detector noise. Test main scripts to be used: ''track, cross, pointliss, focusp, focusliss, otfgeom, skydip_up, skydip_updown''.
 *Radio alignment by background minimization.
 *No antenna data for the entire session.
Line 22: Line 22:
 .Investigation on the Nasmyth offsets: understand how the telescope Nasmyth reference coordinates are projected on the array.
 .Investigation on the alignment: RADIO ALIGNMENT BY BACKGROUND MINIMIZATION DOESN'T WORK; using the laser alignment give stronger signals; the background minimization is probably due to vignetting of the pupil by the sky next to M2.
 .Statistics on pointing corrections, pointing at a source for 1 hour. test script ''otf10x10''. 2 beam maps.		  *Investigation on the Nasmyth offsets: understand how the telescope Nasmyth reference coordinates are projected on the array.
 *Investigation on the alignment: RADIO ALIGNMENT BY BACKGROUND MINIMIZATION DOESN'T WORK; using the laser alignment give stronger signals; the background minimization is probably due to vignetting of the pupil by the sky next to M2 (not the background behind M1!).
 *Statistics on pointing corrections, pointing at a source for 1 hour. test script ''otf10x10''.
 *3 beam maps (otfgeom script) on Uranus. 2 beam maps on 3C84.
Line 27: Line 28:
 .Iterations on focus scans to check focus variability.
 .1 beam map. Additional tests on Nasmyth offsets.
 .Use bad weather condition to test acquisition procedures and data with polarizer components: 1st modulator on, no half-wave plate, then with HWP immobile, then rotating. Try optimization of polarizer angle. Test scripts ''otf5x5, otf5x5_pol, otf5x5_half''.
 .Last test with Nasmyth offset, choose ''''reference detector: 494 on the 2mm array.'''
 . Secondary calibrator: W3OH.		  *Iterations on focus scans to check focus variability.
 *Additional tests on Nasmyth offsets.
 *Use bad weather condition to test acquisition procedures and data with polarizer components: 1st modulator on, no half-wave plate, then with HWP immobile, then rotating. Try optimization of polarizer angle. Test scripts ''otf5x5, otf5x5_pol, otf5x5_half''.
 *Last test with Nasmyth offset, choose ''''reference detector: 494 on the 2mm array (detector 5 on the 1mm array points ~2" away).'''
 *Secondary calibrator: W3OH.
 *1 beam map on Uranus, 1 beam maps on 3C84, 1 beam map on W3OH.
Line 34: Line 36:
 .  *3 beam maps on Uranus.
 *Try pointing session... stopped half way through due to wind.

==== Fri, Jan 24 ====
 *Polarized observations: Uranus (including 3 beam maps), 3C454.3, 2013+270, MWC349, 3C84, 3C111. Test scripts ''pointliss_pol, otfgeom_pol''.
 *Try pointing session... stopped due to bad weather. 2 beam maps on 3C84.
 *~30 min on M82 (check for the supernova).
 *~20 min on GN20 (for noise analysis).

==== Sat, Jan 25 ====
 *2 beam maps on Uranus

==== Sun, Jan 26 ====

==== Mon, Jan 27 ====

Back to the NIKA run 7

Day to day observation logbook

Nika 2014-01-20 sheet1

link to summary table with plots

2 hours observed / 2 hours scheduled

Nika 2014-01-21 sheet2

link to summary table with plots

~5.5 h obs / 6.5 h schedul, but mostly poor weather

Nika 2014-01-22 sheet3 see also TAPAS & Pool database

link to summary table with plots

<8h h obs / 12 h schedul, stopped due to bad weather

Nika 2014-01-23 sheet4 see also TAPAS & Pool database

link to summary table with plots

4h h obs / 9 h schedul, stopped due to bad weather

Nika 2014-01-24 sheet5, TAPAS & Pool may miss some crosses and otf; to be checked

link to summary table with plots

~8h h obs / 9 h schedul, but 2nd half very windy

Nika 2014-01-25 sheet6 the TAPAS & Pool may miss some crosses and otf; to be checked

link to summary table with plots

4h h obs / 9 h schedul, stopped due to wind, 1st half very windy

Nika 2014-01-26 sheet7 the TAPAS & Pool may miss some crosses and otf; to be checked

link to summary table with plots

9h h obs / 9 h schedul, best obs conditions of the week

Nika 2014-01-27 sheet8 the TAPAS & Pool may miss some crosses and otf; to be checked

link to summary table with plots

8h h obs / 8 h schedul, good with some wind around sunset

Quick summary of observations per day

Mon, Jan 20

  • First light. Check detector noise. Test main scripts to be used: track, cross, pointliss, focusp, focusliss, otfgeom, skydip_up, skydip_updown.

  • Radio alignment by background minimization.
  • No antenna data for the entire session.

Tue, Jan 21

  • Investigation on the Nasmyth offsets: understand how the telescope Nasmyth reference coordinates are projected on the array.
  • Investigation on the alignment: RADIO ALIGNMENT BY BACKGROUND MINIMIZATION DOESN'T WORK; using the laser alignment give stronger signals; the background minimization is probably due to vignetting of the pupil by the sky next to M2 (not the background behind M1!).

  • Statistics on pointing corrections, pointing at a source for 1 hour. test script otf10x10.

  • 3 beam maps (otfgeom script) on Uranus. 2 beam maps on 3C84.

Wed, Jan 22

  • Iterations on focus scans to check focus variability.
  • Additional tests on Nasmyth offsets.

  • Use bad weather condition to test acquisition procedures and data with polarizer components: 1st modulator on, no half-wave plate, then with HWP immobile, then rotating. Try optimization of polarizer angle. Test scripts otf5x5, otf5x5_pol, otf5x5_half.

  • Last test with Nasmyth offset, choose 'reference detector: 494 on the 2mm array (detector 5 on the 1mm array points ~2" away).

  • Secondary calibrator: W3OH.
  • 1 beam map on Uranus, 1 beam maps on 3C84, 1 beam map on W3OH.

Thu, Jan 23

  • 3 beam maps on Uranus.
  • Try pointing session... stopped half way through due to wind.

Fri, Jan 24

  • Polarized observations: Uranus (including 3 beam maps), 3C454.3, 2013+270, MWC349, 3C84, 3C111. Test scripts pointliss_pol, otfgeom_pol.

  • Try pointing session... stopped due to bad weather. 2 beam maps on 3C84.
  • ~30 min on M82 (check for the supernova).
  • ~20 min on GN20 (for noise analysis).

Sat, Jan 25

  • 2 beam maps on Uranus

Sun, Jan 26

Mon, Jan 27

D2DLogNika7 (last edited 2014-02-03 17:04:56 by NikaBolometer)