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skycoor(1)						      General Commands Manual							skycoor(1)

Name
       skycoor - Convert coordinates

Synopsis
       skycoor [-bdgjv] [-n ndec] ra1 dec1 sys1 ... ran decn sysn
       or
       skycoor [-vbjg] [-n ndec] @listfile

Description
       skycoor	converts  coordinates  between the J2000, B1950, and galactic coordinate systems, rounding to a specified number of decimal places
       and printing in degrees or hh:mm:ss.sss dd:mm:ss.sss.  Input coordinates may also be in either format, and the system (J2000, B1950, or ga-
       lactic) may be in upper or lower case.  No spaces are allowed within  the individual coordinates

Options
       -b     B1950 (FK4) output

       -d     RA and Dec output in degrees

       -e     Ecliptic longitude and latitude output

       -g     Galactic longitude and latitude output

       -i r|d|
	      Input units (r=radians, d=degrees, else hh:mm:sss dd:mm:sss)

       -j     J2000 (FK5) output

       -n <num>
	      Number of decimal places in output RA seconds

       -o <num>
	      Offset coordinates by this many arcseconds

       -p     RA and Dec proper motion in milliarcseconds/year

       -q     Output system, including equinox

       -r <RA> <Dec> <RA> <Dec>
	      Angular separation between two RA, Dec pairs

       -s     Output ra= dec= epoch= radecsys= for sethead

       -v     Print more intermediate information

       -w     Convert RA, Dec equatorial coordinates to x,y,z

       -x     Convert x,y,z equatorial coordinates to RA, Dec

       -y <epoch>
	      Epoch of coordinates in years

Author
       Doug Mink, SAO (dmink@cfa.harvard.edu)

9 November 2001 						     WCSTools								skycoor(1)

Check Out this Related Man Page

imua2(1)						      General Commands Manual							  imua2(1)

Name
       imua2 - Find USNO-A2.0 stars in FITS or IRAF image files

Synopsis
       imua2 [options] FITS or IRAF file(s)

Description
       Search  USNO-A2.0 Catalog within the area described by the world coordinate system in an image header.  This is a link to imcat rather than
       a separate executable.

Options
       -b [<RA> <Dec>]
	      Output in B1950, optional new image center in B1950 (FK4) RA and Dec

       -h     Print heading, else do not

       -j [<RA> <Dec>]
	      Output in J2000, optional new image center in J2000 (FK5) RA and Dec

       -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

       -p <scale>
	      Initial plate scale in arcsec per pixel (default 0)

       -s     Sort by RA instead of flux

       -t     Tab table to standard output as well as file

       -u     USNO catalog single plate number to accept

       -v     Verbose listing of processing intermediate results

       -w     Write tab table output file imagename.cat -z Use AIPS classic projections instead of WCSLIB; use CD matrix or CDELT instead of poly-
	      nomial solution.

See Also
       imgsc(),imuac(),imusac(),scat()

Author
       Doug Mink, SAO (dmink@cfa.harvard.edu)

Options
       -b [<RA> <Dec>]
	      Output B1950 (FK4) coordinates (optional center)

       -u <plate>
	      Accept only stars from this plate (default all)

       -h     Print heading, else do not

       -j [<RA> <Dec>]
	      Output J2000 (FK5) coordinates (optional center)

       -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

       -p <scale>
	      Plate scale in arcsec per pixel (default 0)

       -s     Sort by RA instead of flux

       -t     Tab table to standard output as well as file

       -u <plate>
	      Accept only stars from thsi plate (default all)

       -v     Verbose listing of processing intermediate results

       -w     Write tab table output file imagename.uac

See Also
       imcat(),imgsc(),imusa2(),scat()

Web Page
       http://tdc-www.harvard.edu/software/wcstools/imcat/imua2.html

Author
       Doug Mink, SAO (dmink@cfa.harvard.edu)

14 April 1998								WCS								  imua2(1)
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