imgsc - Man Page
Find HST GSC stars in FITS or IRAF image files
Synopsis
imgsc [options] FITS or IRAF file(s)
Description
Search the HST Guide Star Catalog withing the area described by the world coordinate system in an image header. This is a link to imcat rather than a separate executable.
Options
- -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.
See Also
imcat(),imuac(),imusac(),scat()
Author
Jessica Mink, SAO (jmink@cfa.harvard.edu)