NGC 3344

NGC 3344是一個相對孤立的旋渦星系,位於小獅座,距離地球2,250萬光年[4]。NGC 3344屬於獅子座群,是室女座超星系團的一個分支[7]

NGC 3344
哈伯太空望遠鏡所拍攝的NGC 3344[1]
观测资料(J2000 曆元
星座小獅座
赤经10h 43m 31.150s[2]
赤纬+24° 55 19.99[2]
紅移0.001935 ± 0.000003[3]
徑向速度585[4] km/s
距离22.5 Mly (6.90 Mpc)[4]
视星等 (V)10.5[5]
特征
类型(R)SAB(r)bc[6]
角直徑 (V)7′.1 × 6′.5[5]
其他名称
UGC 5840, PGC 31968[5]

NGC 3344形態學分類為(R)SAB(r)bc[6],表明它是一個擁有中等、鬆散螺旋臂的螺旋星系[8]。NGC 3344中心是一個角直徑約3分的HII核[9]

參考資料

  1. . ESA/Hubble Picture of the Week. October 15, 2012 [15 October 2012]. (原始内容存档于2017-11-13).
  2. Skrutskie, M. F.; et al, , The Astronomical Journal, February 2006, 131 (2): 1163–1183, Bibcode:2006AJ....131.1163S, doi:10.1086/498708.
  3. Epinat, B.; et al, , Monthly Notices of the Royal Astronomical Society, August 2008, 388 (2): 500–550, Bibcode:2008MNRAS.388..500E, arXiv:0805.0976可免费查阅, doi:10.1111/j.1365-2966.2008.13422.x.
  4. Crook, Aidan C.; et al, , The Astrophysical Journal, February 2007, 655: 790–813, Bibcode:2007ApJ...655..790C, arXiv:astro-ph/0610732可免费查阅, doi:10.1086/510201.
  5. . Results for NGC 3344. [2007-05-15]. (原始内容存档于2011-05-14).
  6. Pilyugin, L. S.; et al, , Astronomy and Astrophysics, October 2004, 425: 849–869, Bibcode:2004A&A...425..849P, arXiv:astro-ph/0407014可免费查阅, doi:10.1051/0004-6361:20034522.
  7. Monks, Neale, , Patrick Moore's Practical Astronomy Series, Springer: 53, 2010, ISBN 1441968512.
  8. Buta, Ronald J.; et al, , Cambridge University Press: 13–17, 2007 [2017-11-05], ISBN 0521820480, (原始内容存档于2020-08-06).
  9. Verdes-Montenegro, L.; et al, , Astronomy and Astrophysics, April 2000, 356: 827–839, Bibcode:2000A&A...356..827V.

外部連結

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