DV03 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 25 March 2010

Issues Tracked

  • PLACEHOLDER

Associated JIRA Tickets

  • CAR-62: ALMA Corrective Action Requests and Non-conformance Reports: Investigate Cause of Pointing Problems with DV01, DV02 and PM03
    • Azimuth hysteresis problem on DV01 and DV02. Contains reports noting cause and resolution (better alignment of azimuth encoder shaft).
  • AIV-639: PLACEHOLDER

Pointing Model Coefficients

All units arcsec.

Date Pad IA IE CA NPAE AN AW HECE HESE
1 September 2009
SEF2
-787.00
+448
+111
-26.44
-0.38
+42.18
-13.09
-16.88
6 November 2009
TF?
-858.94
+363.65
-31.02
-28.47
+37.43
+48.26
+31.87
-23.63

Date Pad HACA HASA HACA2 HASA2 HACA3 HASA3 HECA2 HESA2 HECA3 HESA3Sorted ascending
1 September 2009
SEF2
+4.94
-2.79
-4.15
+1.98
-1.17
+0.54
-2.28
+0.72
-0.30
-0.82
6 November 2009
TF?
-5.59
+0.84
-1.82
-0.30
-1.12
+0.84
-0.42
+0.26
-0.67
-0.37

-- JeffMangum - 2009-11-11
Topic revision: r2 - 2010-03-25, JeffMangum
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