Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

wcstools(1) [debian man page]

wcstools(1)						      General Commands Manual						       wcstools(1)

Name
       wcstools - Programs to access image world coordinate systems and catalogs

Setting an Image World Coordinate System
       imwcs  Automatically  find stars in a FITS or IRAF image, match them to HST Guide USNO A or USNO UJ Stars, compute the relation between sky
	      coordinates and image coordinates, and write in in the image header. [after U of Iowa SETWCS]

       delwcs Delete the WCS keywords from an image. If both EPOCH and EQUINOX are present, EQUINOX is also deleted.

Using an Image World Coordinate System
       imcat  List catalog sources which should be found in the area of the sky covered by a specific image.

       imsize Print center and size of image using WCS keywords in header

       imstar Find and list the n brightest stars in an IRAF or FITS image, with their sky coordinates if there is WCS information  in	the  image
	      header.

       sky2xy Print image pixel coordinates for given sky coordinates on the command line or in a list file.

       xy2sky Print sky coordinates for given image pixel coordinates on the command line or in a list file.

Catalog Utility Programs
       scat   Search the HST GSC, USNO-A2.0, or other catalog given a region on the sky.

       skycoor
	      Convert between J2000, B1950, and Galactic coordinates from the command line or a file.

Image Utility Programs
       addpix Add a constant value(s) to specified pixel(s)

       edhead Edit the header of a FITS file or the user parameters of an IRAF image file using a the text editor specified by the EDITOR environ-
	      ment variable.

       gethead
	      Return values for keyword(s) specified after filename.

       getpix Return value(s) of specified pixel(s)

       i2f    Read two-dimensional IRAF image file and write FITS image file

       imhead Print FITS or IRAF header

       imrot  Rotate and/or reflect FITS or IRAF image files

       setpix Set specified pixel(s) to specified value(s)

       sethead
	      Set header parameters in FITS or IRAF images.

       subpix Subtract a constant value(s) from specified pixel(s)

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

6 July 2001							     WCSTools							       wcstools(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)
Man Page

Featured Tech Videos