Use imua1 to list the 10 Brightest USNO-A1.0 Stars in an Image

Find the 10 brightest USNO-A1.0 Stars in image test.fts and sort them by right ascension.
$ > imua1 -h -sn 10 test.fts
imua1 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
10 USNO A-1.0 Catalog Stars at 1995.80 in FITS image test.fts
USNO A1 number  RA2000       Dec2000    MagB  MagR    X      Y   Plate Arcsec
1575.03068435 09:54:42.494 +69:05:52.90   0.0  11.9  769.7  879.0    0  318.98
1575.03068527 09:54:45.601 +68:56:59.04  12.2  11.4  750.5  126.1   38  321.53
1575.03069012 09:55:02.246 +68:56:23.53   0.0   8.5  624.3   75.3    0  319.24
1575.03069016 09:55:02.397 +68:56:24.33   9.4   8.5  623.1   76.5   38  318.27
1575.03069022 09:55:02.582 +68:56:24.58   9.5   8.9  621.7   76.8   38  317.78
1575.03070049 09:55:34.811 +69:07:33.10  18.5   8.6  374.6 1018.6   38  372.77
1575.03070453 09:55:47.277 +68:59:25.52  17.1   9.0  281.7  330.9   38  206.80
1575.03070866 09:56:01.776 +68:59:19.62  21.0  11.4  171.7  322.5   38  275.27
1575.03070935 09:56:03.827 +68:59:07.36  19.5  10.4  156.2  305.2   38  290.92
1575.03071052 09:56:07.413 +69:01:58.24  20.2  11.4  128.9  546.1   38  272.11
where the columns are region.number, J2000 RA, J2000 Dec, B and R magnitudes image X and Y pixel coordinates computed using the image world coordinate system, the plate, unless from a catalog, and the distance in arcseconds from the center of the image. To write a file test.fts.ua1, use
imua1 -w -n 10 test.fts

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

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