IC 2574

IC 2574,也被稱為「柯丁頓星雲」(Coddington Nebula),是一個大熊座螺旋星系,由美國天文學家埃德温·福斯特·柯丁顿於1898年發現[8][9],是M81星系團的外圍成員。天文學家認為該星系質量的90%以暗物質的形式存在[10],目前未發現IC 2574與其他星系相互作用的證據。 IC 2574目前正在形成恆星紫外線分析顯示恆星形成的區域大小為85至500光年[11]

IC 2574
Picture of IC 2574 produced with Hubble's Advanced Camera for Surveys
观测资料(J2000 曆元
星座大熊座
赤经10h 28m 23.62046s[1]
赤纬+68° 24 43.4414[1]
紅移0.000160±0.000020[2]
距离12.8 Mly(3.93 Mpc[3]
特征
类型SABm[4]
角直徑 (V)12.02 × 5.50′[5]
其他名称
Coddington's Nebula,[6] UGC 5666[7]

參考資料

  1. Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. . Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365可免费查阅. doi:10.1051/0004-6361/201833051. VizieR中此天体在盖亚望远镜第二批数据发布的记录
  2. Paturel, G.; et al. . LEDA. 2002. Bibcode:2002LEDA.........0P.
  3. Karachentsev, Igor D.; et al. . The Astronomical Journal. January 2017, 153 (1): 17. Bibcode:2017AJ....153....6K. S2CID 119388974. arXiv:1611.02574可免费查阅. doi:10.3847/1538-3881/153/1/6. 6.
  4. Khramtsova, M. S.; et al. . Monthly Notices of the Royal Astronomical Society. May 2013, 431 (2): 2006–2016. Bibcode:2013MNRAS.431.2006K. arXiv:1302.4837可免费查阅. doi:10.1093/mnras/stt319.
  5. Paturel, G.; et al, , Astronomy and Astrophysics, December 2003, 412: 45–55, Bibcode:2003A&A...412...45P, doi:10.1051/0004-6361:20031411可免费查阅.
  6. . apod.nasa.gov. [2020-01-16]. (原始内容存档于2018-03-03).
  7. . SIMBAD. 斯特拉斯堡天文資料中心.
  8. . iitk.ac.in/. Indian Institute of Technology Kanpur. [2018-11-06]. (原始内容存档于2012-01-04).
  9. Walter, Fabian; Brinks, Elias. . The Astronomical Journal (Institute of Physics). 1999, 118 (1): 273–301. Bibcode:1999AJ....118..273W. S2CID 14572518. arXiv:astro-ph/9904002可免费查阅. doi:10.1086/300906.
  10. Darling, David. . Worlds of David Darling. [2019-01-16]. (原始内容存档于2022-11-17).
  11. Mondal, Chayan; Subramaniam, Annapurni; George, Koshy. . Journal of Astrophysics and Astronomy. 2021, 42 (2): 50. Bibcode:2021JApA...42...50M. S2CID 235212077. arXiv:2105.13048可免费查阅. doi:10.1007/s12036-021-09761-z.
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