Dynamical attitude model for Gaia

被引：7
|
作者：
Risquez, D. [1 ]
van Leeuwen, F. [2 ]
Brown, A. G. A. [1 ]
机构：
[1] Leiden Univ, Leiden Observ, Leiden, Netherlands
[2] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England
来源：
EXPERIMENTAL ASTRONOMY | 2012年 / 34卷 / 03期
关键词：
Gaia; Spacecraft attitude; Astrometry; Simulation;
D O I：
10.1007/s10686-012-9310-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Dynamical Attitude Model (DAM) is a simulation package developed to achieve a detailed understanding of the Gaia spacecraft attitude. It takes into account external physical effects and considers internal hardware components controlling the satellite. The main goal of the Gaia mission is to obtain extremely accurate astrometry, and this necessitates a good knowledge of Gaia's behaviour as a spinning rigid body under the influence of various perturbations. This paper describes these perturbations and how they are modelled in DAM.
引用
收藏
页码：669 / 703
页数：35
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