imgsc - Find HST GSC stars in FITS or IRAF image files
imgsc [options] FITS or IRAF file(s)
Search the HST Guide Star Catalog within the area described by the
world coordinate system in an image header. This is a link to imcat rather
than a separate executable.
- -b [<RA>
<Dec>]
- Output in B1950, optional new image center in B1950 (FK4) RA and Dec
- -c <name>
- Reference catalog (gsc, ujc, or tab table file
- -g <class>
- Guide Star Catalog class (-1=all,0,3 (default -1)
- -h
- Print heading, else do not
- -j [<RA>
<Dec>]
- Output in J2000, optional new image center in J2000 (FK5) RA and Dec
- -m [<bright magnitude>]
<faint magnitude>
- Limiting catalog magnitude(s) (default none, bright -2 if only faint is
given)
- -n <num>
- Number of brightest stars to print
- -p <scale>
- Initial plate scale in arcsec per pixel (default 0)
- -s
- Sort by RA instead of flux
- -t
- Tab table to standard output as well as file
- -v
- Verbose listing of processing intermediate results
- -w
- Write tab table output file imagename.cat -z Use AIPS classic
projections instead of WCSLIB; use CD matrix or CDELT instead of
polynomial solution.
imcat(),imuac(),imusac(),scat()
Jessica Mink, SAO (jmink@cfa.harvard.edu)