The local solar motion and the scalelength of the Galactic disc

被引:10
|
作者
Feast, M [1 ]
机构
[1] Univ Cape Town, Dept Astron, ZA-7701 Rondebosch, South Africa
关键词
stars : kinematics; Galaxy : fundamental parameters; Galaxy : structure;
D O I
10.1046/j.1365-8711.2000.03302.x
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
It is suggested that the observed variation of velocity dispersion with asymmetric drift is consistent with a local solar motion in the direction of Galactic rotation of similar to 11 km s(-1), together with a systematic variation of disc scalelength with age.
引用
收藏
页码:596 / 598
页数:3
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