Secular aberration drift and IAU definition of International Celestial Reference System

被引：16

作者：

Titov, Oleg ^{[1
]}

机构：

[1] Geosci Australia, Canberra, ACT 2601, Australia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2010年 / 407卷 / 01期

关键词：

astrometry; proper motions; reference systems; methods: data analysis; PROPER MOTIONS; RADIO-SOURCES;

D O I：

10.1111/j.1745-3933.2010.00901.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The gravitational attraction of the Galactic Centre leads to the centrifugal acceleration of the Solar system barycentre. It results in secular aberration drift which displaces the position of the distant radio sources. The effect should be accounted for in high-precision astrometric reductions as well as by the corresponding update of the International Celestial Reference System definition.

引用

页码：L46 / L48

页数：3

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