英仙座OB1

英仙座OB1是在北天球英仙座的一個OB星協。它以雙星團NGC 869NGC 884)為中心[4],名稱來源於銀河系英仙臂[7]。星協成員中最明亮的恆星是藍超巨星大陵一(英仙座9)[3]

英仙座OB1
在英仙座OB1心臟的雙星團
Credit: 克瑞斯古德瑞(Chrisguidry)
觀測數據
星座英仙座
赤經02h 21m[1]
赤緯+57° 36[1]
平均距離5.9 kly(1.8 kpc[2]
Span1,000 × 750 light years[3]
徑向速度−43.4[2] km/s
物理性質
成員149[4]
OB星≥65[5]
其它名稱Per OB1[6]

參考資料

  1. Sitnik, T. G. . Astronomy Letters. May 2003, 29: 311–320. Bibcode:2003AstL...29..311S. doi:10.1134/1.1573280.
  2. Mel'Nik, A. M.; Dambis, A. K. . Monthly Notices of the Royal Astronomical Society. 2009, 400 (1): 518. Bibcode:2009MNRAS.400..518M. arXiv:0909.0618. doi:10.1111/j.1365-2966.2009.15484.x. 已忽略未知参数|doi-access= (帮助)
  3. Crossen, Craig; Rhemann, Gerald. . Springer Science & Business Media. 2012: 93. ISBN 9783709106266.
  4. Lee, Hsu-Tai; Lim, Jeremy. . The Astrophysical Journal. June 2008, 679 (2): 1352–1363. Bibcode:2008ApJ...679.1352L. arXiv:0804.4520. doi:10.1086/587801.
  5. Beech, Martin; Slawson, Robert W. . Astrophysics and Space Science. December 1995, 234 (2): 217–221. Bibcode:1995Ap&SS.234..217B. doi:10.1007/BF00627667.
  6. . SIMBAD. 斯特拉斯堡天文資料中心.
  7. Inglis, Michael. . New York, New York: Springer Science & Business Media. 2013: 184. ISBN 978-1-4614-7567-5.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.