[daip] [!9188]: AIPS - PBCOR error in AIPS?

Eric Greisen noreply at nrao.edu
Tue Oct 25 12:13:56 EDT 2016


Eric Greisen updated #9188
--------------------------

              Status: Closed (was: Open)
                 Due: - Cleared - (was: 27 October 2016 11:17 AM)

PBCOR error in AIPS?
--------------------

           Ticket ID: 9188
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/9188
           Full Name: Scott Hyman
               Email: shyman at sbc.edu
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): Eric Greisen
                Type: Issue
              Status: Closed
            Priority: Default
      Template Group: Default
             Created: 21 October 2016 09:17 PM
             Updated: 25 October 2016 04:13 PM



The beam factor is computed at both fiducial frequencies and
the factors are then linearly interpolated to the desired
frequency.  One must not interpolate polynomial parameters
because very wrong answers for the evaluated polynomial can arise.

Eric Greisen




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