O型主序星

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O型主序星(O V) 是是光譜為O,亮度為V,在主序帶燃燒)上的恆星。這類恆星的質量是太陽的15至90倍太陽質量表面溫度在30,000至52,000 K[1][2]。這一類恆星非常罕見,估計在整個銀河系中只有20,000顆[3]。例子包括參宿增一A(獵戶座σA)和車府增十一(蝎虎座10) [4][5]

相關條目[编辑]

參考資料[编辑]

  1. ^ Tables 1 and 4, Fabrice Martins, Daniel Schaerer, and D. John Hiller. A new calibration of stellar parameters of Galactic O stars. Astronomy & Astrophysics. 2005, 436: 1049–1065. Bibcode:2005A&A...436.1049M. doi:10.1051/0004-6361:20042386. 
  2. ^ Table 5, William D. Vacca, Catharine D. Garmany, and J. Michael Shull. The Lyman-Continuum Fluxes and Stellar Parameters of O and Early B-Type Stars. Astrophysical Journal. 1996.April, 460: 914–931. Bibcode:1996ApJ...460..914V. doi:10.1086/177020. 
  3. ^ Scientists Begin To Tease Out A Hidden Star's Secrets, ScienceDaily, July 27, 1998. Accessed on line November 13, 2007.
  4. ^ BD-02 1326A, SIMBAD query result. Accessed on line November 13, 2007.
  5. ^ 10 Lac, SIMBAD query result. Accessed on line November 13, 2007.