[daip] [!12656]: AIPS - Offset source moving in RA during observation

Eric Greisen nraohelp at nrao.edu
Fri Sep 7 12:33:02 EDT 2018


Eric Greisen updated #12656
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Offset source moving in RA during observation
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           Ticket ID: 12656
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/12656
                Name: Andy Biggs
       Email address: abiggs at eso.org
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): -- Unassigned --
                Type: Issue
              Status: Open
            Priority: Default
                 SLA: NRAO E2E
      Template group: Default
             Created: 07 September 2018 04:11 PM
             Updated: 07 September 2018 04:33 PM
           Reply due: 11 September 2018 04:11 PM (3d 23h 38m)
      Resolution due: 03 June 2021 12:00 AM (999d 7h 27m)

Have you run UVFIX on the data set?  I doubt that the precession rotation of the field would be large enough to see in 10 hours but 0.4 masec is a very small angle. Did you image with 2 facets and DO3DIM TRUE?Eric


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