- airmass - Compute the airmass at a given elevation above the horizon
- astcalc - Astronomical calculator
- asthedit - Astronomical header editor
- astradius - Find images within a circle on the sky
- asttimes - Compute UT, Julian day, epoch, and siderial time
- ccdtime - Compute time, magnitude, and signal-to-noise for CCDs
- galactic - Convert ra, dec to galactic coordinates
- gratings - Compute and print grating parameters
- keywpars - Translate the image header keywords used in ASTUTIL package
- pdm - Find periods in light curves by Phase Dispersion Minimization
- precess - Precess a list of astronomical coordinates
- rvcorrect - Compute radial velocity corrections
- setairmass - Compute effective airmass and middle UT for an exposure
- setjd - Compute and set Julian dates in images
Source Code · Search Form · STSDAS
Maintained by the Science Software Group at STScI
This file last updated on 17 Jan 1996