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Name¶
sua2 - 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 20x20 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
Author¶
Jessica Mink, SAO (jmink@cfa.harvard.edu)