[daip] [!10581]: AIPS - Unexpected results from VLBACCOR on VLBA data

Amy Mioduszewski nraohelp at nrao.edu
Mon Jun 26 10:47:13 EDT 2017


Amy Mioduszewski updated #10581
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                 Due: - Cleared - (was: 27 June 2017 01:42 PM)
      Resolution Due: 02 July 2017 11:00 PM (was: 03 July 2017 05:00 PM)

Unexpected results from VLBACCOR on VLBA data
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           Ticket ID: 10581
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/10581
           Full Name: Tanmoy Laskar
               Email: tlaskar at cfa.harvard.edu
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): Amy Mioduszewski
                Type: Issue
              Status: Open
            Priority: Default
                 SLA: NRAO E2E
      Template Group: Default
             Created: 25 June 2017 09:13 AM
             Updated: 26 June 2017 07:47 AM
      Resolution Due: 02 July 2017 11:00 PM (6d 15h 12m)



Dear Tanmoy,

When you did AVSPC did you include the autocorrelations (DOACOR 1)?  ACCOR (used by VLBACCOR) uses the autocorrelations.  Otherwise I would consider doing VLBACCOR before AVSPC.  2.3 gain isn't super ridiculous (we expect around 1) and I am not sure how averaging effects autocorrelations.


Amy Mioduszewski
VLA Scheduling Manager
NRAO

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