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NGC 4214

NGC 4214
哈伯太空望远镜第三代广域照相机拍摄NGC 4214的可见光与近红外线影像。
观测资料(J2000 历元
星座猎犬座
赤经12h 15m 39.2s[1]
赤纬+36° 19′ 37″[1]
红移291 ± 3 km/s[1]
视星等 (V)10.2[1]
特征
类型IAB(s)m[1]
角直径 (V)8′.4 × 6′.6[1]
其他名称
NGC 4228, CGCG 187-32, IRAS 12131+3636, KUG 1213+366, MCG 6-27-42, UGC 7278,[1] PGC 39225[1]
参见:星系星系列表

NGC 4214是距离地球约1000万光年的有棒不规则星系[2],在天球上位于猎犬座

特征

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NGC 4214的体积与亮度都高于小麦哲伦星系[3],同时也是星暴星系。该星系最大的两个恒星形成区域(NGC 4214-I与NGC 4214-II)位于星系核心。其中的NGC 4214-I包含一个拥有大量沃尔夫–拉叶星超星团;NGC 4214-II则较年轻(少于300万年),内部包含数个星团星协[4]

NGC 4214内部拥有两个较古老的超星团,年龄都约2亿年,质量分别是26万与150万倍太阳质量[5]

业余天文望远镜拍摄NGC 4214。

参见

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  • NGC 4236:一个相似的不规则星系

参考资料

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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 NGC 4214. [2007-03-30]. (原始内容存档于2011-05-14). 
  2. ^ Galaxy NGC 4214: A star formation laboratory. ESA/Hubble Photo Release. ESA/Hubble. [12 May 2011]. (原始内容存档于2018-11-14). 
  3. ^ Karachentsev, Igor D.; Karachentseva, Valentina E.; Huchtmeier, Walter K.; Makarov, Dmitry I. A Catalog of Neighboring Galaxies. The Astronomical Journal. 2003, 127 (4): 2031–2068. Bibcode:2004AJ....127.2031K. doi:10.1086/382905. 
  4. ^ Ubeda, L.; Maíz-Apellániz, J.; MacKenty, J. W. H.J.G.L.M. Lamers; L.J. Smith; A. Nota , 编. Massive Young Star Clusters in NGC 4214. The Formation and Evolution of Massive Young Star Clusters, ASP Conference Series (San Francisco: Astronomical Society of the Pacific). 2004, 322: 221. Bibcode:2004ASPC..322..221U. 
  5. ^ Larsen, Søren S.; Brodie, Jean P.; Hunter, Deidre A. Dynamical Mass Estimates for Five Young Massive Stellar Clusters. The Astronomical Journal. 2004, 128 (5): 2295–2305. Bibcode:2004AJ....128.2295L. arXiv:astro-ph/0407373可免费查阅. doi:10.1086/424538. 

外部链接

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维基共享资源上的相关多媒体资源:NGC 4214

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NGC 4214
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