Use imtycho to
List the 10 Brightest Hipparcos Tycho Catalog stars in an image
Find the 10 brightest Hipparcos Tycho Catalog stars in image
test.fts and sort them by right
ascension.
$ > imtycho -h -s test.fts
imtycho 2.5, 8 December 1998, Doug Mink, SAO
test.fts: RA: 09:54:09.518 - 09:56:24.378 J2000
test.fts: Dec: +68:55:30.78 - +69:07:34.87 J2000
2 Tycho Catalog Stars at 1995.80 in FITS image test.fts
Tycho number RA2000 Dec2000 MagR MagV X Y Type Arcsec
4383.20441 09:55:01.109 +68:56:22.28 11.30 10.54 632.9 73.6 G5 322.02
4383.11271 09:55:02.729 +68:56:21.81 11.27 10.52 620.6 72.9 G4 320.28
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.tycho, use
imtycho -w test.fts
[WCSTools]
[WCSTools programs]
[imcat]
[imtycho]