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wcstools - access sky coordinates in astronomical images and search astronomical catalogs


WCStools is a set of programs that helps manipulating images (FITS files) and catalogs, in particular with their World Coordinate Systems (WCS). NEMO has traditionally a poor WCS support, and interfaces with WCStools may be useful. The table below lists a loose functional comparision between the two packages where their functionality is close.


WCSTOOLS    NEMO    program
skypic        tabtos,snapgrid       turn a catalog into an image
sky2xy,xy2sky    wcs                    WCS conversions from an image
imstack         fitsglue               stack FITS image planes into a cube

See Also


Peter Teuben (this document), Doug Mink (wcstools)

Update History

12-jul-04    document created      PJT

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