ASC coordinate transformation - The pixlib library

被引：0
|
作者：
He, H [1 ]
McDowell, J [1 ]
Conroy, M [1 ]
机构：
[1] Smithsonian Astrophys Observ, Cambridge, MA 02138 USA
来源：
ASTRONOMICAL DATA ANALYSIS SOFTWARE AND SYSTEMS VI | 1997年 / 125卷
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We describe a coordinate library for AXAF data analysis. The library handles transformations between celestial coordinates and instrumental (mirror, focal plane, detector pixel) coordinate systems. The need for careful transformations is driven by the accuracy of the detectors and the attitude determination system. The coordinate systems are characterized by parameter files generated from experimental and calibration data. Transformation calculations are performed by matrix-representation routines for maximum flexibility. This library is implemented in ANSI C, and uses the SAO IRAF-compatible parameter interface.
引用
收藏
页码：473 / 476
页数：4
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