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咸池一

咸池一(御夫座ρ)
ρ Aurigae
观测资料
历元 J2000
星座 御夫座
星官 咸池 (毕宿)
赤经 05h 21m 48.4157s
赤纬 +41° 48′ 16.461″
视星等(V) 5.2
特性
光谱分类B3V
U−B 色指数-0.57
B−V 色指数-0.15
天体测定
径向速度 (Rv)13.1 km/s
自行 (μ) 赤经:13.42 mas/yr
赤纬:-37.38 mas/yr
视差 (π)5.08 ± 0.8 mas
距离approx. 600 ly
(approx. 200 pc)
绝对星等 (MV)5.073
详细资料
质量18 M
半径7 R
亮度20,000 L
温度10,000–30,000 K
自转速度 (v sin i)102 Km/s km/s
其他命名
20 Aurigae, HR 1749, HD 34759, BD+41°1162, FK5 2400, HIP 25048, SAO 40269, GC 6556.
参考数据库
SIMBAD资料
资料来源:
依巴谷星表CCDM (2002)、亮星星表

咸池一,即御夫座ρ(ρ Aur, ρ Aurigae)是一颗位于御夫座恒星,距离地球约642光年

咸池一是一颗蓝白色B-型主序星视星等为+5.22。它是一颗分光双星。

中国古代星官系统中,它属于西方白虎七宿毕宿的星官咸池第一星,这也是咸池一名字的来由[1][2]

参考资料

[编辑]
  1. ^ 中国星座神话, written by 陈久金. Published by 台湾书房出版有限公司, 2005, ISBN 978-986-7332-25-7.
  2. ^ AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 13 日. [2011-10-21]. (原始内容存档于2011-07-16). 
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咸池一
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