AIPS NRAO AIPS HELP file for RADIUS in 31DEC21



As of Wed Oct 20 17:59:25 2021



HELP SECTION

RADIUS
Type:  Adverb  (scalar)
Use:   This adverb specifies a radius, usually a radius in an image in
       pixels.
Null value:
       0   => very large
Tasks:
   CCSEL.....Select signifigant CC components.  RADIUS controls the
             area over which Clean components are summed (in asec).
   IMFIT.....Fits gaussians to portions of an image - RADIUS controls
             fitting for the actual RMS which scales the error
             estimates.
   JMFIT.....Fits gaussians to portions of an image - RADIUS controls
             fitting for the actual RMS which scales the error
             estimates.
   SPCOR.....Task to correct an image for a primary beam and spectral
             index.  RADIUS is the radius in pixels over which the
             spectral index images are averaged.

EXPLAIN SECTION


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