 
 
 
 
 
    
![[*]](cross_ref_motif.gif) 
ELLFOU -- Ellipse fits galaxies by contour analysis.
![[*]](cross_ref_motif.gif) 
ELLPRO -- Ellipse fits galaxies by intensity analysis.
![[*]](cross_ref_motif.gif) 
FASTMED -- Variable size median filtering.
![[*]](cross_ref_motif.gif) 
GAUFIT -- 2-D Gaussian fit to source.
![[*]](cross_ref_motif.gif) 
GRAPHS -- Display and analyse profile results.
![[*]](cross_ref_motif.gif) 
HISTPEAK -- Determine image pixel count statistics.
![[*]](cross_ref_motif.gif) 
HSUB -- An application employing HISTPEAK as a subroutine.
![[*]](cross_ref_motif.gif) 
LOBACK -- Determines the background value at numerous image locations
![[*]](cross_ref_motif.gif) 
MASK -- Uses an ARD file definition to set to bad the specified pixels
of an image.
![[*]](cross_ref_motif.gif) 
MIXUP -- Scrambles the positions of all the pixels on an image.
![[*]](cross_ref_motif.gif) 
SECTOR -- Generates a pie-slice profile of a galaxy/source.
![[*]](cross_ref_motif.gif) 
SELFC -- Self-correlates an image on a given scale.
![[*]](cross_ref_motif.gif) 
SELFCW -- Self/cross-correlates a galaxy template with an image.
![[*]](cross_ref_motif.gif) 
SKEW -- Highlights flatfielding problems.
![[*]](cross_ref_motif.gif) 
TOPPED -- Removes bright parts of an image.
![[*]](cross_ref_motif.gif) 
 
 
 
 
 
 
    
ESP --- Extended Surface Photometry