NGC 3344
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 | |
|---|---|
 | |
| 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] | |
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
- ^ 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）.
- ^ 2.0 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.
- ^ 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.
- ^ 4.0 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.
- ^ 5.0 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）.
- ^ 6.0 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.
- ^ Monks, Neale, Go-to Telescopes Under Suburban Skies, Patrick Moore's Practical Astronomy Series, Springer: 53, 2010, ISBN 1441968512.
- ^ 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）.
- ^ 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.
外部链接
| 天文学目录 | ||
|---|---|---|
| NGC天体表： | NGC 3342 - NGC 3343 - NGC 3344 - NGC 3345 - NGC 3346 | |
| 主要星系目录： | PGC 31966 - PGC 31967 - PGC 31968 - PGC 31969 - PGC 31970 | |
| 乌普萨拉总目录： | UGC 5838 - UGC 5839 - UGC 5840 - UGC 5841 - UGC 5842 | |