THE GAIA SPECTROSCOPIC INSTRUMENT (RVS): A TECHNICAL CHALLENGE

被引：8
作者：
Cropper, M. [1 ]
Katz, D. [2 ]
机构：
[1] Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Surrey RH5 6NT, England
[2] Observ Paris, GEPI, F-92190 Meudon, France
来源：
GAIA: AT THE FRONTIERS OF ASTROMETRY | 2011年 / 45卷
关键词：
RADIAL-VELOCITY SPECTROMETER; GALAXY;
D O I：
10.1051/eas/1045031
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The lack of radial velocity data in the Hipparcos catalogue was considered a significant deficiency, so when Gaia was conceived, a spectrometer was a core constituent of its payload. The Gaia Radial Velocity Spectrometer faced a number of design challenges, in particular set by the need to balance kinematic and astrophysical capability. We present an overview of the evolution of the instrument to its present form, identifying the competing technical, performance and programmatic factors which have shaped it.
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收藏
页码：181 / +
页数：2
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