[daip] [!6321]: aips - Time on source total

Eric Greisen do-not-reply at nrao.edu
Wed Apr 22 10:30:25 EDT 2015


Eric Greisen updated #6321
--------------------------

              Status: Closed (was: Response Overdue)
                 Due: - Cleared - (was: 10 April 2015 01:26 AM)

Time on source total
--------------------

           Ticket ID: 6321
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/6321
           Full Name: Tracy Clarke
               Email: tracy.clarke at nrl.navy.mil
             Creator: User
          Department: AIPS Data Processing
       Staff (Owner): Eric Greisen
                Type: Issue
              Status: Closed
            Priority: Default
      Template Group: Default
             Created: 11 March 2015 06:05 PM
             Updated: 22 April 2015 02:30 PM



32148/900 = 35.72

With 9 antennas you have 36 baselines.  This suggests that you edited
out 0.78 % of your data before running DTSUM.  The noise calculation
for imaging is the sum over all baselines so that is  what DTSUM is giving
you.  Otherwise, it would have to differentiate between all (36 in your case) 
baselines to account for editing....

Eric




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