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

页码：625 / 627

页数：3