stmc Examples

1. Search with results to standard output
2. Search with results to a file
3. Find closest star

4. List selected stars from catalog
5. Match stars in input catalog

Example 1. Search with results to standard output

Find the 10 brightest 2MASS point sources in a 1-degree square centered on 10:00:00 +10:00:00 J2000 and sort them by right ascension.: stmc -s r -hn 10 -r -1800 10:00:00 +10:00:00 J2000
produces the following: stmc WCSTools 3.6.9, 6 July 2007, Doug Mink SAO 2MASS PSC 10:00:00.000 +10:00:00.00 J2000 +- +00:30:27.8 +00:30:00.0 at epoch 2000.0000 10 / 1534 2MASS Point Sources (MagK brighter than 9.25) 2MASS_num. RA2000 Dec2000 MagJ MagH MagK Arcsec 0996.076688 09:58:00.594 +09:41:40.64 8.261 8.160 8.075 2079.13 1000.075552 09:58:28.093 +10:02:51.15 8.791 8.538 8.491 1368.31 1004.075853 09:58:28.738 +10:25:28.79 8.201 7.967 7.856 2037.70 1004.075867 09:58:45.694 +10:27:30.99 4.938 3.902 3.759 1982.15 1000.075580 09:59:10.690 +10:04:23.55 8.747 8.143 7.965 774.55 1001.075554 09:59:17.052 +10:10:03.05 8.935 8.799 8.644 875.19 0996.076778 10:00:05.040 +09:38:23.38 7.907 7.279 7.066 1298.75 0996.076832 10:01:42.734 +09:36:40.41 8.201 7.683 7.608 2065.10 1002.076149 10:01:46.854 +10:12:57.38 8.136 7.905 7.834 1759.03 0995.077610 10:01:51.510 +09:35:05.01 9.250 8.729 8.596 2225.26

Example 2. Search with results to a file

Find all 2MASS sources within 1 degree of M51 and write results to a file: stmc -twr 3600 -o m51 13:27:48.311 +47:27:28.98 B1950
produces the following in the file m51.tmc: catalog 2MASS PSC ra 13:27:48.311 dec +47:27:28.98 radecsys fk4 equinox 1950.0000 epoch 1950.0000 radsec 3600.00 catsort mag program stmc WCSTools 3.6.9, 6 July 2007, Doug Mink SAO 2mass_id ra1950 dec1950 magj magh magk arcsec ----------- ------------ ------------ ------- ------- ------- ------ 1377.096194 13:31:08.307 +48:00:53.24 5.646 5.203 5.042 2843.86 1378.095138 13:26:55.650 +48:06:18.77 6.248 6.118 6.066 2389.49 1380.094275 13:25:07.479 +48:15:37.69 6.414 5.891 5.749 3311.27 1372.096640 13:29:50.354 +47:29:28.23 6.557 6.448 6.436 1243.10 1367.095513 13:31:28.298 +47:03:09.71 7.066 6.502 6.403 2673.10 . . . 1364.095361 13:24:19.074 +46:40:17.71 10.889 10.621 10.580 3547.71 1378.095178 13:28:37.284 +48:04:27.01 10.903 10.558 10.502 2272.32 1378.095167 13:28:11.280 +48:06:13.53 10.966 10.736 10.672 2336.04 1370.095821 13:27:00.179 +47:19:36.49 10.989 10.415 10.333 679.80 1379.095583 13:27:08.288 +48:12:08.50 10.996 10.455 10.322 2709.66

Example 3. Find closest star

Find the closest 2MASS source to 10:00:00 +10:00:00 J2000: stmc -a 10:00:00 +10:00:00 J2000
produces the following: 0999.076108 10:00:03.987 +09:59:00.47 12.528 12.014 11.882 83.74

Example 4. List selected stars from catalog

List 2MASS Point Source Catalog stars 1-10 in region 0900: stmc -s n -h 0900.000001-0900.000010x0.000001
produces the following: stmc WCSTools 3.6.9, 6 July 2007, Doug Mink SAO 2MASS_num. RA2000 Dec2000 MagJ MagH MagK 0900.000001 00:00:04.809 +00:03:35.06 14.557 13.929 13.806 0900.000002 00:00:06.831 +00:02:28.82 15.749 15.181 14.816 0900.000003 00:00:09.353 +00:00:05.53 12.682 12.096 11.844 0900.000004 00:00:10.724 +00:05:18.37 14.331 13.720 13.546 0900.000005 00:00:11.975 +00:02:25.33 16.651 15.820 14.821 0900.000006 00:00:12.315 +00:01:15.04 16.664 16.037 15.385 0900.000007 00:00:17.884 +00:00:35.76 14.727 14.319 14.038 0900.000008 00:00:17.995 +00:00:10.34 16.764 16.245 15.571 0900.000009 00:00:18.061 +00:03:21.82 11.752 11.145 10.902 0900.000010 00:00:26.592 +00:02:37.79 16.278 15.422 15.665 where L flags magnitudes where the catalog rd_flag indicates high uncertainty.

Example 5. Match stars in input catalog

Match the stars in the input catalog test.tab to the 2MASS Point Source Catalog and list them one match per line.

stmc -l @test.tab

produces the following:

240020 22:15:54.555 -11:36:56.13  9.80  __  0783.342234 22:15:54.543 -11:36:56.19  9.161   8.749   8.719  6   -0.17   -0.06    0.18
267313 17:47:51.210 -22:58:17.35  9.10  A0  0670.228999 17:47:51.194 -22:58:17.32  8.034   7.892   7.833  384   -0.22    0.03    0.22
196784 13:42:07.204 -09:06:40.06  8.60  K0  0808.095192 13:42:07.201 -09:06:40.03  6.970   6.511   6.419  10   -0.04    0.03    0.05
127373 10:24:43.528 +11:21:21.15 10.20  K0  1013.076454 10:24:43.505 +11:21:21.40  7.350   6.773   6.643  4   -0.34    0.25    0.42
095438 06:07:46.792 +23:28:44.76 10.30  K0  1134.045434 06:07:46.830 +23:28:44.99  7.601   7.168   7.092  84    0.53    0.23    0.58

where the columns are input catalog star name, RA, Dec, magnitude, spectral type, 2MASS region.number, RA, Dec, J, H, K magnitudes, number of stars in the 120-arcsec-radius default search radius, and catalog-search dra, ddec, and dr (in arcseconds).