Abbreviation: Lep. A small southern constellation. Located south of Orion, it was thought to have been a hunting prey for the giant Orion. Its alpha star, Arneb, has an apparent magnitude of 2.6, a spectral type of F0, and is about 400 light years away. Arneb comes from the Arabic al-Arnab (meaning rabbit). R Lepus is a long-period variable star with a period of about 432 days, and contains the globular cluster M79. Its approximate position is right ascension 5h25m, declination -20°. It reaches its highest point in the sky at 8pm in early February. [Ishida Goro] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
略号Lep。南天の小星座。オリオンの南にあり,巨人オリオンの狩猟の獲物と考えられた。α星アルネブは実視等級2.6等,スペクトル型F0,約400光年の距離にある。アルネブはアラビア語のアル・アルナブal‐Arnab(ウサギの意)に由来する。うさぎ座R星は,周期約432日の長周期変光星,球状星団M79がある。概略位置は赤経5h25m,赤緯-20゜。午後8時の南中は2月上旬である。【石田 五郎】
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