NGC 4222 是一个位于后发座 的螺旋星系 [ 2] ,距离地球6000万光年 [ 3] [ 4] ,1784年4月8日由威廉·赫歇爾 发现[ 5] 。NGC 4222属室女座星系團 [ 6] [ 7] ,是NGC 4216 的伴星系[ 8] ,两者相距180,000 ly (56 kpc )[ 9] [ 8] ,但并不是交互作用星系 [ 9] 。
参考
^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 NASA/IPAC Extragalactic Database . Results for NGC 4222. [2018-08-12 ] . (原始内容存档 于2008-12-16).
^ Your NED Search Results . ned.ipac.caltech.edu. [2018-08-12 ] . (原始内容存档 于2022-07-05).
^ NED Query Results for NGC 4222 . ned.ipac.caltech.edu. [2018-08-12 ] . (原始内容存档 于2018-08-13) (美国英语) .
^ Revised NGC Data for NGC 4222 . spider.seds.org. [2018-08-12 ] . (原始内容存档 于2022-07-05).
^ New General Catalog Objects: NGC 4200 - 4249 . cseligman.com. [2018-07-28 ] . (原始内容存档 于2022-03-24) (美国英语) .
^ Binggeli, B.; Sandage, A.; Tammann, G. A. Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area. V - Luminosity functions of Virgo Cluster galaxies. The Astronomical Journal. September 1985, 90 : 1681. Bibcode:1985AJ.....90.1681B . ISSN 0004-6256 . doi:10.1086/113874 (英语) .
^ C., Kraan-Korteweg, R. A complete sample of Virgo cluster galaxies. Astronomy and Astrophysics Supplement Series. March 1982, 47 : 505. Bibcode:1982A&AS...47..505K . ISSN 0365-0138 (英语) .
^ 8.0 8.1 Paudel, Sanjaya; Duc, Pierre-Alain; Côté, Patrick; Cuillandre, Jean-Charles; Ferrarese, Laura; Etienne Ferriere; Gwyn, Stephen D. J.; Mihos, J. Christopher; Vollmer, Bernd. The Next Generation Virgo Cluster Survey. IV. NGC 4216: A Bombarded Spiral in the Virgo Cluster . The Astrophysical Journal. 2013, 767 (2): 133 [2022-07-05 ] . Bibcode:2013ApJ...767..133P . ISSN 0004-637X . S2CID 118421922 . arXiv:1302.6611 . doi:10.1088/0004-637X/767/2/133 . (原始内容存档 于2019-12-07) (英语) .
^ 9.0 9.1 Chung, Aeree; Gorkom, J. H. van; Kenney, Jeffrey D. P.; Crowl, Hugh; Vollmer, Bernd. Erratum: "VLA Imaging of Virgo Spirals in Atomic Gas (VIVA). I. The Atlas and The H I Properties" (2009, AJ, 138, 1741) . The Astronomical Journal. 2010, 139 (6): 2716. Bibcode:2010AJ....139.2716C . ISSN 1538-3881 . arXiv:0909.0781 . doi:10.1088/0004-6256/139/6/2716 (英语) .
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