[daip] Removing residuals from image

Eric Greisen egreisen at nrao.edu
Mon Dec 6 18:37:31 EST 2004


slipnick at brandeis.edu writes:

 > I am wondering how I can create and image of a source with only the clean
 > components not the residuals.. Do you think you could help, either in Difmap
 > or as I would expect AIPS.
 > 

Do the IMAGR run in AIPS in the usual way.
Copy the Clean image to a new name.
Then restart the IMAGR with BMAJ=-1 (to get residual image only)
and BCOMP and NCOMP set so that no new Cleaning is actually done.
Then use COMB to subtract the residual image from the Clean image.

Eric Greisen




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