NGC 3184

NGC 3184
史匹哲太空望遠鏡觀測的NGC 3184
观测资料（J2000 曆元）
星座大熊座
赤经10h 18m 17.0s[1]
赤纬+41° 25′ 28″[1]
紅移0.001975[1]
徑向速度592 ± 1 km/s[1]
距离39.8 ± 12 百萬光年
(12.2 ± 3.7 Mpc)[2]
视星等 (V)10.4[1]
特征
类型SA(s)b: II
角直徑 (V)7.4′ × 6.9′
其他名称
UGC 5557, PGC 30087
參見：星系、星系列表

NGC 3184是位於大熊座的螺旋星系，距離地球約4,000萬光年。NGC 3184有兩個 HII 區域，命名為NGC 3180和NGC 3181[3] and NGC 3181.[4]。

NGC 3184 含有大量重元素，並發現過許多超新星，例如II 型超新星SN 1999gi，於1999年12月9日被發現[5][6] 。其他超新星包括 1921B（13.5 等）、1921C（11 等）和 1937F（13.5 等）。

SN 2010dn

2010年5月31日，日本業餘天文學家板垣公一在NGC 3184中心以東33" 和以北 61" 處發現一顆17等光學瞬變體[7]。該事件可能是一顆爆發的高光度藍變星（LBV）[8]。哈伯太空望遠鏡和史匹哲太空望遠鏡檔案影像似乎沒有發現SN 2010dn的前身星[9]。目前科學家認為SN 2010dn 類似SN 2008S和NGC 300-OT。SN 2010dn的視星等為17.1，峰值絕對星等約為-13.3等。

參考資料

  1. ^ 1.0 1.1 1.2 1.3 1.4 NASA/IPAC Extragalactic Database. Results for NGC 3184. [2010-06-01]. （原始内容存档于2020-01-04）. 
  2. ^ Distance Results for NGC 3184. NASA/IPAC Extragalactic Database. [2010-06-01]. （原始内容存档于2020-01-04）. 
  3. ^ NASA/IPAC Extragalactic Database. Results for NGC 3180. [2010-06-02]. （原始内容存档于2019-12-07）. 
  4. ^ NASA/IPAC Extragalactic Database. Results for NGC 3181. [2010-06-02]. （原始内容存档于2019-12-07）. 
  5. ^ Daniel W. E. Green. Supernova 1999gi in NGC 3184 (Circular No. 7329). Central Bureau for Astronomical Telegrams. 1999-12-10 [2010-06-02]. （原始内容存档于2018-08-31）. 
  6. ^ David Bishop. 1999gi (main page). supernovae.net (International Supernovae Network). [2010-06-02]. （原始内容存档于2015-11-29）. 
  7. ^ David Bishop. Latest Supernovae. supernovae.net (International Supernovae Network). [2010-06-02]. （原始内容存档于2019-04-12）. 
  8. ^ Smith, Nathan; Weidong, Li; Silverman, Jeffrey; Ganeshalingam, Mo; Filippenko, Alexei. Luminous Blue Variable eruptions and related transients: Diversity of progenitors and outburst properties. Monthly Notices of the Royal Astronomical Society. 2010, 415 (1): 773–810. Bibcode:2011MNRAS.415..773S. S2CID 85440811. arXiv:1010.3718 可免费查阅. doi:10.1111/j.1365-2966.2011.18763.x. 
  9. ^ ATEL 2655: HST/Spitzer limits on the progenitor of SN2010dn in NGC3184. Astronomers Telegram. 2010-06-01 [2010-06-01]. （原始内容存档于2023-06-04）. 

外部連結

维基共享资源中相关的多媒体资源：NGC 3184

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