Use imgsc2 to List the 10 Brightest GSC II Stars in an Image

Find the 10 brightest GSC II stars in image test.fts and sort them by right ascension. 
$ imgsc2 -h -sn 10 test.fts
imgsc2 2.9.4, 29 June 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
10 / 143 GSC 2.2 MagF < 14.5
GSC II num.   RA2000       Dec2000    MagF  MagJ  MagV  MagN    X       Y   
N213130060 09:54:18.804 +69:02:38.31 12.27 13.53 99.90 99.90   950.5   605.8
N213130066 09:54:31.711 +69:01:26.41 12.15 13.16 99.90 99.90   853.5   503.7
N21313007136 09:54:39.747 +69:05:03.72 14.09 15.26 99.90 99.90   790.8   809.7
N21313004750 09:54:42.667 +69:03:35.92 14.50 16.20 99.90 99.90   769.5   685.8
N213130096 09:54:45.342 +68:56:59.18 12.01 12.95 99.90 99.90   752.5   126.3
N213130098 09:55:01.029 +68:56:22.47 99.90 11.50 99.90 99.90   633.6    73.9
N21313003940 09:55:01.243 +68:56:23.15 10.21 11.85 99.90 99.90   631.9    74.8
N213130098 09:55:02.682 +68:56:21.96 99.90 11.51 99.90 99.90   621.0    73.1
N213130064 09:55:45.007 +69:01:45.79 99.90 11.86 99.90 99.90   298.5   528.7
N213130046 09:56:17.552 +69:06:04.87 14.35 99.90 99.90 99.90    52.4   893.9
where the columns are source ID, J2000 RA, J2000 Dec, magnitudes and image X and Y pixel coordinates computed using the image world coordinate system.

To write a file test.fts.gsc2, use 

imgsc2 -ws test.fts

Last updated 29 June 2001 by Doug Mink dmink@cfa.harvard.edu

Telescope Data Center [WCSTools] [WCSTools programs] [imcat] [imgsc2]