Abbreviation: Vir. One of the twelve zodiacal signs. Currently, the autumnal equinox is in this constellation. It is a large Y-shaped string of stars stretching northwest from alpha star Spica. In Greek mythology, it represents Astraea, the goddess of justice born to the god Zeus and the goddess Themis, or Persephone, the daughter of the grain goddess Demeter, or Demeter herself, with Spica corresponding to the ear of wheat held in her hand. Beta star is called Ararakh, has a magnitude of 3.8, a spectral type of F8, and is 32 light years away. Gamma star in the center of the Y is a beautiful yellow-white double star with a magnitude of 3.7 and a spectral type of F0. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
略号Vir。黄道十二宮の一つ。現在,秋分点はこの星座にある。α星スピカから北西にのびる大きなY字形の星列である。ギリシア神話では,大神ゼウスと女神テミスの間に生まれた正義の女神アストライアとか,穀物神デメテルの娘ペルセフォネとか,デメテル自身の姿に見たてており,スピカはその手に握る麦の穂先に相当する。β星はアララフと呼ばれ,3.8等でスペクトル型はF8,32光年の距離にある。Y字の中央のγ星は3.7等,スペクトル型F0で黄白色の美しい二重星である。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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