1imgsc(1)(WCS)                                                    imgsc(1)(WCS)
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Name

6       imgsc - Find HST GSC stars in FITS or IRAF image files
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Synopsis

9       imgsc [options] FITS or IRAF file(s)
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Description

12       Search  the  HST  Guide  Star Catalog withing the area described by the
13       world coordinate system in an image header.  This is a  link  to  imcat
14       rather than a separate executable.
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Options

17       -b [<RA> <Dec>]
18              Output in B1950, optional new image center in B1950 (FK4) RA and
19              Dec
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21       -c <name>
22              Reference catalog (gsc, ujc, or tab table file
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24       -g <class>
25              Guide Star Catalog class (-1=all,0,3 (default -1)
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27       -h     Print heading, else do not
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29       -j [<RA> <Dec>]
30              Output in J2000, optional new image center in J2000 (FK5) RA and
31              Dec
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33       -m [<bright magnitude>] <faint magnitude>
34              Limiting  catalog  magnitude(s) (default none, bright -2 if only
35              faint is given)
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37       -n <num>
38              Number of brightest stars to print
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40       -p <scale>
41              Initial plate scale in arcsec per pixel (default 0)
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43       -s     Sort by RA instead of flux
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45       -t     Tab table to standard output as well as file
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47       -v     Verbose listing of processing intermediate results
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49       -w     Write tab table output file imagename.cat -z  Use  AIPS  classic
50              projections instead of WCSLIB; use CD matrix or CDELT instead of
51              polynomial solution.
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See Also

54       imcat(),imuac(),imusac(),scat()
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Author

57       Doug Mink, SAO (dmink@cfa.harvard.edu)
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61                                 14 April 1998                   imgsc(1)(WCS)