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天市右垣九

蛇夫座δ(天市右垣九、梁)
Delta Ophiuchi

蛇夫座δ在蛇夫座的位置(右边中间)
观测资料
历元 J2000
星座 蛇夫座
星官 天市垣 天市右垣
赤经 16h 14m 20.7395s[1]
赤纬 −03° 41′ 39.563″
视星等(V) 2.74[2]
特性
光谱分类M0.5III[3]
U−B 色指数+1.96[4]
B−V 色指数+1.59[4]
天体测定
径向速度 (Rv)−19.9[5] km/s
自行 (μ) 赤经:−45.83[1] mas/yr
赤纬:−142.91[1] mas/yr
视差 (π)19.16 ± 1.02[1] mas
距离170 ± 9 ly
(52 ± 3 pc)
详细资料
表面重力 (log g)1.4[6]
温度3,679[6] K
金属量[6]
其他命名
1 Oph, HR 6056, BD-03 3903, HD 146051, SAO 141052, FK5 603, HIP 79593.[2]

蛇夫座δ,中文星官名天市右垣九,是一颗位于蛇夫座M型红巨星

它和蛇夫座ε一起组成光学双星。蛇夫座δ距离地球170光年,而蛇夫座ε距离地球108光年,因此它们之间并没有物理联系,只是从地球上观察时处于几乎相同的方向上。蛇夫座δ的表面温度是3679K

蛇夫座δ在中国星官系统中属于天市右垣,即天市垣的右城墙,天市右垣共由十一星组成,每颗星都由诸侯国或王国命名,而蛇夫座δ是以“梁”命名。蛇夫座δ是天市右垣的第九星,因此又被称为天市右垣九[7][8]。蛇夫座δ的西方名字叫Yed Prior,它和蛇夫座ε一起合称为Yed,这个名字来自于阿拉伯语,意思是“手”, 两颗星共同象征蛇夫握住巨蛇头部的左手。

参考资料

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  1. ^ 1.0 1.1 1.2 1.3 Perryman, M. A. C.; et al. The HIPPARCOS Catalogue. Astronomy & Astrophysics. April 1997, 323: L49–L52. Bibcode:1997A&A...323L..49P. 
  2. ^ 2.0 2.1 del Oph -- Variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2010-07-06]. (原始内容存档于2019-12-13). 
  3. ^ Morgan, W. W.; Keenan, P. C. Spectral Classification. Annual Review of Astronomy and Astrophysics. 1973, 11: 29. Bibcode:1973ARA&A..11...29M. doi:10.1146/annurev.aa.11.090173.000333. 
  4. ^ 4.0 4.1 Johnson, H. L.; Iriarte, B.; Mitchell, R. I.; Wisniewskj, W. Z. UBVRIJKL photometry of the bright stars. Communications of the Lunar and Planetary Laboratory. 1966, 4 (99). Bibcode:1966CoLPL...4...99J. 
  5. ^ Wilson, Ralph Elmer. General Catalogue of Stellar Radial Velocities. Washington: Carnegie Institution of Washington. 1953. Bibcode:1953QB901.W495...... 
  6. ^ 6.0 6.1 6.2 Oinas, V. Neutral-ion anomaly in cool stars. Astronomy and Astrophysics. October 1977, 61 (1): 17–20. Bibcode:1977A&A....61...17O. 
  7. ^ 香港太空馆 - 研究资源 - 亮星中英对照表页面存档备份,存于互联网档案馆), Hong Kong Space Museum. Accessed on line November 23, 2010.
  8. ^ English-Chinese Glossary of Chinese Star Regions, Asterisms and Star Name页面存档备份,存于互联网档案馆), Hong Kong Space Museum. Accessed on line November 23, 2010.

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天市右垣九
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