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Keystroke Commands
? Print help
p Print photometry for star nearest the cursor
l List the current psf stars
a Add star nearest cursor to psf star list
f Fit the psf
r Review the fit for all the psf stars
s Subtract fitted psf from psf star nearest cursor
d Delete psf star nearest cursor from psf star list
w Write the psf to the psf image
z Rebuild the psf from scratch
q Quit task
Colon Commands
:p [n] Print photometry for star n
:a [n] Add star n to psf star list
:d [n] Delete star n from psf star list
:s [n] Subtract fitted psf from psf star n
Colon Parameter Editing Commands
# Data dependent parameters which affect the psf computation
:scale [value] Show/set the image scale (units / pixel)
:fwhmpsf [value] Show/set the fwhm of psf (scale units)
:datamin [value] Show/set the minimum good data value (counts)
:datamax [value] Show/set the maximum good data value (counts)
:matchrad [value] Show/set matching radius (scale units)
# Psf computation parameters
:psfimage [name,name] Show/set the psf image and groupfile
:function [string] Show/set the analytic psf function
:varorder [integer] Show/set order of psf function variability
:nclean [integer] Show/set number of cleaning iterations
:saturated [y/n] Show/set the use saturated star flag
:psfrad [value] Show/set the psf radius (scale units)
:fitrad [value] Show/set the fitting radius (scale units)
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