-- Focusing and PSF measuring tasks --
- psfmeasure - Measure PSF sizes from stellar images
- specfocus - Determine spectral focus and alignment variations
- starfocus - Determine direct focus variations from stellar images
-- Observation planning tasks --
- ccdtime - CCD photometry exposure time calculator
- pairmass - Plot airmass vs time for a given coordinate
- sptime - Spectroscopic exposure time calculator
- specpars - Spectrograph instrument parameters for sptime
-- Instrument/detector characterization --
- bitcount - Accumulate the bit statistics for a list of images
- findgain - Estimate the gain and readnoise of a CCD
- shutcor - Shutter correction from images of varying exposure times
-- Miscellaneous
- cgiparse - Parse STRING_QUERY environment variable into task parameters
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Maintained by the Science Software Group at STScI
This file last updated on 3 Mar 2003