NGC 3309是一个位于长蛇座的巨型椭圆星系,距离地球2亿光年,1835年3月24日由約翰·赫歇爾发现[2][3][4][5][6]。NGC 3309与NGC 3311形成一对星系[7],相互之间的距离为72,000 ly(22 kpc)[8]。这两个星系是長蛇座星系團的中心[7][9]。
参见
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 3309. [2018-05-06]. (原始内容存档于2011-05-14).
- ^ Wehner, Elizabeth M. H.; Harris, William E.; Whitmore, Bradley C.; Rothberg, Barry; Woodley, Kristin A. The Globular Cluster Systems around NGC 3311 and NGC 3309. The Astrophysical Journal. 2008, 681 (2): 1233. Bibcode:2008ApJ...681.1233W. ISSN 0004-637X. S2CID 119241756. arXiv:0802.1723 . doi:10.1086/587433 (英语).
- ^ Your NED Search Results. ned.ipac.caltech.edu. [2018-05-06]. (原始内容存档于2022-06-23).
- ^ Revised NGC Data for NGC 3309. spider.seds.org. [2018-05-06]. (原始内容存档于2021-05-14).
- ^ Gottlieb, Steve. Astronomy-Mall: Adventures In Deep Space NGC objects 3001-3999. Astronomy-Mall. [2018-04-27]. (原始内容存档于2022-06-30).
- ^ New General Catalog Objects: NGC 3300 - 3349. cseligman.com. [2018-05-04]. (原始内容存档于2022-05-06) (美国英语).
- ^ 7.0 7.1 Kotanyi, C. NGC 3309: an S-shaped radio galaxy in a nearby cluster (PDF). Revista Mexicana de Astronomía y Astrofísica. November 1990, 21: 173–176 [2022-08-08]. Bibcode:1990RMxAA..21..173K. (原始内容存档 (PDF)于2022-06-23).
- ^ Yamasaki, N. Y.; Ohashi, T.; Furusho, T. Chandra Observation of the Central Galaxies in the A1060 Cluster of Galaxies. The Astrophysical Journal. 2002, 578 (2): 833–841. Bibcode:2002ApJ...578..833Y. ISSN 0004-637X. S2CID 15537091. arXiv:astro-ph/0206472 . doi:10.1086/342652 (英语).
- ^ Richter, O.-G. The Hydra I cluster of galaxies. V - A catalogue of galaxies in the cluster area (PDF). Astronomy and Astrophysics Supplement Series. February 1989, 77: 237–256 [2022-08-08]. Bibcode:1989A&AS...77..237R. (原始内容存档 (PDF)于2022-06-20).
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