Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-07-19
Astron.Astrophys. 395 (2002) 1077
Astronomy and Astrophysics
Astrophysics
Consequent to Paper I: "Representations of world coordinates in FITS". 45 pages, 38 figures, 13 tables, aa macros v5.2 (2002/J
Scientific paper
10.1051/0004-6361:20021327
In Paper I, Greisen & Calabretta (2002) 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.
Calabretta Mark R.
Greisen Eric W.
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