Use imty2 to List the 10 Brightest Tycho 2 Stars in an Image

Find the 10 brightest Tycho 2 Stars in image test.fts and sort them by right ascension. 
$ imty2 -h -sn 10 test.fts
returns 
imty2 2.9.4, 2 July 2001, Doug Mink (dmink@cfa.harvard.edu)
test.fts: RA:  09:54:09.518 - 09:56:24.378 J2000
          Dec: +68:55:30.78 - +69:07:34.87 J2000
3 Tycho 2 Catalog Stars at 1995.80 in FITS image test.fts
Tycho2 number  RA2000       Dec2000    MagR   MagV    X       Y     
4383.20441 09:55:01.078 +68:56:22.73  11.50  10.67   633.2    74.3
4383.11271 09:55:02.731 +68:56:22.22  11.51  10.73   620.6    73.5
4383.05651 09:55:45.020 +69:01:45.76  11.86  11.46   298.4   528.7
where the columns are region.number, J2000 RA, J2000 Dec, magnitude (V in north, B in south), image X and Y pixel coordinates computed using the image world coordinate system, and the object type (0=star, 3=nonstar). To write a file test.fts.tycho2, use 
imty2 -ws test.fts

Last updated 2 July 2001 by Doug Mink dmink@cfa.harvard.edu

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