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M99

梅西耶 99
观测资料(J2000 曆元
星座后髮座[1]
赤经12h 18m 49.6s[2]
赤纬+14° 24′ 59″[2]
紅移2407 ± 3 km/s[2]
同移距离? Mpc
距离? Mly
视星等 (V)10.4[2]
特征
类型SA(s)c[2]
角直徑 (V)5′.4 × 4′.7[2]
其他名称
NGC 4254,[2] UGC 7345,[2] PGC 39578,[2]
Coma Pinwheel Galaxy,[3] Virgo Cluster Pinwheel[3]
參見:星系星系列表

M99(也稱為NGC 4254)是一個位於后髮座螺旋星系,是由皮埃爾·梅香(Pierre Méchain)於1781年3月17日所發現,後來梅西耶將它放入《星雲星團表》中。

參考資料

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  1. ^ R. W. Sinnott. The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. 1988. ISBN 978-0-933346-51-2. 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 NASA/IPAC Extragalactic Database. Results for NGC 4254. [2006-11-25]. (原始内容存档于2018-12-25). 
  3. ^ 3.0 3.1 SIMBAD Astronomical Database. Results for NGC 4254. [2006-11-25]. (原始内容存档于2019-05-01). 

外部連結

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M99
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