Galactic parameters derived from open-cluster data

被引：12
|
作者：
Gerasimenko, TP [1 ]
机构：
[1] Ural State Univ, Astron Observ, Ekaterinburg, Russia
来源：
ASTRONOMY REPORTS | 2004年 / 48卷 / 02期
关键词：
D O I：
10.1134/1.1648073
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The components U-0 and Y-0 of the solar motion and the Oort constant A(0) are determined using the data of a homogeneous open-cluster catalog with corrected distance moduli. The results are based on a sample of 146 open clusters with known radial velocities located in the Galactic plane (b < 7degrees) within 4 kpc of the Sun. The solar Galactocentric distance R-0 is determined using two kinematic methods. The following results are obtained: A(0) = 17.0 +/- 0.9 km/s kpc, U-0 = 10.5 +/- 1.0 km/s, V-0 = 11.5 +/- 1.1 km/s, R-0 = 8.3 +/- 0.3 pc. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：103 / 107
页数：5
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