Find USNO-A2.0 Catalog stars in a square on the sky
Synopsis
sua2 [options] ra dec system
Description
suac finds all of the U.S. Naval Observatory A2.0 Catalog objects in a specified region of the sky and lists their sky positions and magnitudes in order of brightness. Output is to standard out, unless the -w flag is set, in which case it goes to objectname.uac or search.uac. It is a link to scat.
Options
-a list single closest catalog source
-b Output B1950 (FK4) coordinates
-d Sort by distance from center instead of flux
-e Output ecliptic coordinates
-f Output search center for other programs
-g Output galactic coordinates
-h Print heading, else do not
-i Print catalog object name, not catalog number (=ua2_region_number)
-j Output J2000 (FK5) coordinates
-l Print center and closest star on one line
-m [<bright magnitude>] <faint magnitude> Limiting catalog magnitude(s) (default none, bright -2 if only faint is given)
-n <num> Number of brightest stars to print
-o <name> Object name used to name output file
-p Sort by distance from search center instead of brightness
-q <years> Equinox of output positions in years
-r <radius> Search box half-width in arcsec or dd:mm:ss If negative, this is a radius; if two numbers, first is in right ascension, second is in declination. (default is 10, that is a 20×20 arcsec box)
-s Sort by right ascension instead of flux
-t Tab table output
-u <num> Print X Y instead of number in front of non-tab entry
-v Verbose listing of processing intermediate results
-w Write tab table output file imagename.uac
-y Epoch of output positions in years
See Also
scat(1),
susac(1),
imuac(1),
sgsc(1)
Author
Jessica Mink, SAO (jmink [at] cfa.harvard.edu)
