F型主系列星







F型主系列星を取り巻く塵[1]




F型準巨星またはF型主系列星プロキオン A


F型主系列星（Fがたしゅけいれっせい 英：F-type main-sequence star ）は、スペクトル型がF、光度階級がVの水素を燃やして燃える主系列星である。太陽質量の1.0倍から1.4倍の質量を持ち、表面温度は6000Kから7600Kの間である[2]。10万立方パーセク(一辺がおよそ150光年の立方体に相当する体積)あたりに25個の密度で分布し、主系列星全体のうち3%程度の個数を占めているとされる[3]。プロキオンAやおとめ座γ星A、Bがこの型に分類される[4]。



出典





  1. ^ “New Insights into Debris Discs”. 2016年5月23日閲覧。


  2. ^ Empirical bolometric corrections for the main-sequence, G. M. H. J. Habets and J. R. W. Heintze, Astronomy and Astrophysics Supplement 46 (November 1981), pp. 193–237.


  3. ^ Ledrew, Glenn (2001年). “The Real Starry Sky”. Journal of the Royal Astronomical Society of Canada 95: 32. http://adsabs.harvard.edu/abs/2001JRASC..95...32L. 


  4. ^ SIMBAD, entries on Gamma Virginis A and Gamma Virginis B, accessed June 19, 2007.




関連項目



  • 主系列星

    • O - B - A - F - G - K - M




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