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M65

梅西耶 65
观测资料(J2000 曆元
星座獅子座
赤经11h 18m 55.9s[1]
赤纬+13° 05′ 32″[1]
紅移807 ± 3 km/s[1]
距离22 Mly (6.7 Mpc)[2]
视星等 (V)9.3[3]
特征
类型SAB(rs)a[1]
角直徑 (V)9′.8 × 2′.9[1]
其他名称
NGC 3623,[1] UGC 6328,[1] PGC 34612[1]
參見:星系星系列表

M65(也稱為NGC 3623)是一個位於獅子座螺旋星系,距離地球約2200萬光年查爾斯·梅西耶在1780年發現該天體,它與M66NGC 3628構成著名的獅子座三胞胎

發現

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M65由查爾斯·梅西耶發現並包含在他的梅西耶天體星表中。然而,威廉·亨利·史密斯(William Henry Smyth)無意中誤認為皮埃爾·梅尚(Pierre Méchain)比梅西耶更早發現它,他在19世紀廣受歡迎的天文學著作《A Cycle of Celestial Objects》中描述“M65和M66是梅尚在1780年發現並告知梅西耶的」。這個錯誤被肯尼斯·格林·瓊斯在《梅西耶星雲和星團》中公開。

參考資料

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  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 NASA/IPAC Extragalactic Database. Results for. [2006-10-21]. (原始内容存档于2018-12-25). 
  2. ^ Murdin, P., Encyclopedia of Astronomy and Astrophysics. Abstract Archive.is存檔,存档日期2012-07-12
  3. ^ G. de Vaucouleurs, A. de Vaucouleurs, H. G. Corwin, R. J. Buta, G. Paturel, P. Fouque. Third Reference Catalogue of Bright Galaxies. New York: Springer-Verlag. 1991. 
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M65
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