NGC 3344是一个相对孤立的旋涡星系,位于小狮座,距离地球2,250万光年[4]。NGC 3344属于狮子座群,是室女座超星系团的一个分支[7]

NGC 3344
哈伯太空望远镜所拍摄的NGC 3344[1]
观测资料(J2000 历元
星座小狮座
赤经10h 43m 31.150s[2]
赤纬+24° 55′ 19.99″[2]
红移0.001935 ± 0.000003[3]
径向速度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]
角直径 (V)7′.1 × 6′.5[5]
其他名称
UGC 5840, PGC 31968[5]
参见:星系星系列表

NGC 3344形态学分类为(R)SAB(r)bc[6],表明它是一个拥有中等、松散螺旋臂的螺旋星系[8]。NGC 3344中心是一个角直径约3分的HII核[9]

参考资料

  1. ^ Galaxy in a spin. ESA/Hubble Picture of the Week. October 15, 2012 [15 October 2012]. (原始内容存档于2017-11-13). 
  2. ^ 2.0 2.1 Skrutskie, M. F.; et al, The Two Micron All Sky Survey (2MASS), The Astronomical Journal, February 2006, 131 (2): 1163–1183, Bibcode:2006AJ....131.1163S, doi:10.1086/498708. 
  3. ^ Epinat, B.; et al, GHASP: an Hα kinematic survey of spiral and irregular galaxies - VI. New Hα data cubes for 108 galaxies, Monthly Notices of the Royal Astronomical Society, August 2008, 388 (2): 500–550, Bibcode:2008MNRAS.388..500E, arXiv:0805.0976 , doi:10.1111/j.1365-2966.2008.13422.x. 
  4. ^ 4.0 4.1 4.2 Crook, Aidan C.; et al, Groups of Galaxies in the Two Micron All Sky Redshift Survey, The Astrophysical Journal, February 2007, 655: 790–813, Bibcode:2007ApJ...655..790C, arXiv:astro-ph/0610732 , doi:10.1086/510201. 
  5. ^ 5.0 5.1 5.2 NASA/IPAC Extragalactic Database. Results for NGC 3344. [2007-05-15]. (原始内容存档于2011-05-14). 
  6. ^ 6.0 6.1 Pilyugin, L. S.; et al, Oxygen and nitrogen abundances in nearby galaxies. Correlations between oxygen abundance and macroscopic properties, Astronomy and Astrophysics, October 2004, 425: 849–869, Bibcode:2004A&A...425..849P, arXiv:astro-ph/0407014 , doi:10.1051/0004-6361:20034522. 
  7. ^ Monks, Neale, Go-to Telescopes Under Suburban Skies, Patrick Moore's Practical Astronomy Series, Springer: 53, 2010, ISBN 1441968512. 
  8. ^ Buta, Ronald J.; et al, Atlas of Galaxies, 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, A detailed study of the ringed galaxy NGC 3344, Astronomy and Astrophysics, April 2000, 356: 827–839, Bibcode:2000A&A...356..827V. 

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