Representations of celestial coordinates in FITS

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 c...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2002-12, Vol.395 (3), p.1077-1122
Hauptverfasser:	Calabretta, M. R., Greisen, E. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	astrometry astronomical data bases: miscellaneous methods: data analysis techniques: image processing
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	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.
ISSN:	0004-6361 1432-0746
DOI:	10.1051/0004-6361:20021327