[daip] AIPS Editr Flagging Issue

Eric Greisen egreisen at nrao.edu
Mon Apr 24 11:03:34 EDT 2006


I took a quick look at the source code for EDITR, EDITA, and SNEDT (a
shared edit object) and the source number to be flagged is set to zero
by the code.  It will be difficult to change this but I have put it on
my wish list.  Note that I cannot change the behavior of the 31DEC04
version of anything - a fix will appear in due course in the 31DEC06
version and will offer the choice of ONE SOURCE or ALL SOURCE as TVFLG
has always done.  You can use TABED or verb TABPUT to change the
source number IDs in the FG table from 0 to the source ID of 3C286 or
whichever source you wanted flagged.  Note that the assumption is that
if the calibrator is bad over some long time range, then the target
sources in that time range are at best highly dubious.  If you use
EDITR but flag only within each scan not over some long time range as
in your example, then the data between the flagged scans will not
disappear initially.  They may go away later when there is no
calibration for them.

Eric Greisen




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