The effect of proper motion on Pan-STARRS asteroid astrometry

被引：9
作者：
Tholen, David J. [1 ]
Micheli, Marco [1 ]
Elliott, Garrett T. [1 ]
机构：
[1] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
来源：
ICARUS | 2013年 / 223卷 / 01期
基金：
美国国家科学基金会;
关键词：
Astrometry; Asteroids; Dynamics; Celestial mechanics; Data reduction techniques; CATALOG;
D O I：
10.1016/j.icarus.2012.12.002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present evidence that the failure to account for proper motion is responsible for most of the regional biases seen in the astrometry of asteroids produced by the Pan-STARRS sky survey, as well as the 0.02 arcsec northward bias seen in our own Apophis astrometry. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码：625 / 627
页数：3
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