Subtract a file's modification date with current date Post: 303018987

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skycoor

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)