Volume 395, Number 3, December I 2002
|Page(s)||1077 - 1122|
|Section||Numerical methods and codes|
|Published online||18 November 2002|
Representations of celestial coordinates in FITS
Australia Telescope National Facility, PO Box 76, Epping, NSW 1710, Australia
2 National Radio Astronomy Observatory, PO Box O, Socorro, NM 87801-0387, USA
Corresponding author: M. Calabretta, firstname.lastname@example.org
Accepted: 9 September 2002
In Paper I, Greisen & Calabretta ([CITE]) describe a generalized method for assigning physical coordinates to FITS image pixels. This paper implements this method for all spherical map projections likely to be of interest in astronomy. The new methods encompass existing informal FITS spherical coordinate conventions and translations from them are described. Detailed examples of header interpretation and construction are given.
Key words: methods: data analysis / techniques: image processing / astronomical data bases: miscellaneous / astrometry
© ESO, 2002
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