Representations of celestial coordinates in FITS

被引：322

作者：

Calabretta, MR

Greisen, EW

机构：

[1] Australia Telescope Natl Facil, Epping, NSW 1710, Australia

[2] Natl Radio Astron Observ, Socorro, NM 87801 USA

来源：

ASTRONOMY & ASTROPHYSICS | 2002年 / 395卷 / 03期

关键词：

methods : data analysis; techniques : image processing; astronomical data bases : miscellaneous; astrometry;

D O I：

10.1051/0004-6361:20021327

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：1077 / 1122

页数：46

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