AIPS NRAO AIPS HELP file for DOWIDTH in 31DEC21



As of Wed Oct 20 16:16:00 2021



HELP SECTION

DOWIDTH
Type  Adverb   (Logical(3,4),  > 0  =>  true)
Use:  A logical array, dimension (3,4), associated with GWIDTH,
      the initial guess of the (Major axis, Minor axis, Position
      angle) of the component.  Units are in (pixels, pixels,
      deg).  >0 -> Let parameter vary; <=0 -> Keep parameter fixed
Null Value:  true (all 1).
Tasks:
   IMFIT.........Fits Gaussians to portions of an image.  Returns in
                 DOWIDTH the error bars in the fit.
   JMFIT.........Fits Gaussians to portions of an image.  Returns in
                 DOWIDTH the error bars in the fit.
   SAD...........Finds and fits Gaussians to portions of an image.
   SLFIT.........Task to fit gaussians to slice data.  Returns in
                 DOWIDTH the error bars in the fit.
   TVSAD.........Finds and fits Gaussians to portions of an image with
                 interaction.
   UVFIT.........Fits source models to uv data.  DOWIDTH is used only
                 if INLIST is blank.
   UVGIT.........Fits source models to uv data.  DOWIDTH is used only
                 if INLIST is blank.

EXPLAIN SECTION


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