NGC 3344

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NGC 3344
Galaxy in a spin.jpg
哈伯太空望遠鏡所拍攝的NGC 3344[1]
Credit: ESA/Hubble & NASA
觀測資料 (J2000 曆元
星座 小獅座
赤經 10h 43m 31.150s[2]
赤緯 +24° 55′ 19.99″[2]
紅移 0.001935 ± 0.000003[3]
视向速度 585[4] km/s
距離 22.5 Mly (6.90 Mpc)[4]
類型 (R)SAB(r)bc[5]
視大小 (V) 7′.1 × 6′.5[6]
視星等 (V) 10.5[6]
其他名稱
UGC 5840, PGC 31968[6]
參見:星系星系列表

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形態學分類為(R)SAB(r)bc[5],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[编辑]

  1. ^ Galaxy in a spin. ESA/Hubble Picture of the Week. October 15, 2012 [15 October 2012]. 
  2. ^ 2.0 2.1 Skrutskie, M. F.; 等, 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.; 等, 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.; 等, 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 Pilyugin, L. S.; 等, 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. 
  6. ^ 6.0 6.1 6.2 NASA/IPAC Extragalactic Database. Results for NGC 3344. [2007-05-15]. 
  7. ^ Monks, Neale, Go-to Telescopes Under Suburban Skies, Patrick Moore's Practical Astronomy Series, Springer: 53, 2010, ISBN 1441968512. 
  8. ^ Buta, Ronald J.; 等, Atlas of Galaxies, Cambridge University Press: 13–17, 2007, ISBN 0521820480. 
  9. ^ Verdes-Montenegro, L.; 等, A detailed study of the ringed galaxy NGC 3344, Astronomy and Astrophysics, April 2000, 356: 827–839, Bibcode:2000A&A...356..827V. 

外部連結[编辑]

天球赤道座標星图 10h 43m 31.1s,+24°55′20″