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NGC 4305

NGC 4305
观测资料(J2000 历元
星座室女座
赤经12h 22m 03.6s[1]
赤纬12° 44′ 27″[1]
红移0.006298[1]
径向速度1888 km/s[1]
距离98 Mly(30 Mpc[1]
视星等 (V)13.4[1]
特征
类型SA(r)a[1]
大小~32,000 ly(9.7 kpc[1]
角直径 (V)2.07 x 0.97[1]
其他名称
UGC 07432, VCC 0522, PGC 040030, MCG +02-32-013[1]
参见:星系星系列表

NGC 4305是一个位于室女座矮螺旋星系[2],距离地球1亿光年[3],1829年5月2日由约翰·赫歇尔发现[4]

虽然NGC 4305被认为属于室女座星系团[2][5],但它的径向速度和它的蓝色光度表明它实际上是一个背景星系,这个星系附近拥有主要伴星NGC 4306[6]

NGC 4305表现出明确、光滑的螺旋臂,可终止其中央凸起[7]。这种螺旋结构似乎是由与NGC 4306的潮汐相互作用引起的[8][9]。这种潮汐相互作用也可以解释其中性氢气(HI)的缺乏。[6]

参考

  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 NASA/IPAC Extragalactic Database. Results for NGC 4305. [2019-08-01]. (原始内容存档于2018-12-25). 
  2. ^ 2.0 2.1 Davidge, T. J. The Stellar Contents of Intermediate Mass Disk Galaxies in the Virgo Cluster. I. GMOS Spectra. The Astronomical Journal. 2018-10-31, 156 (5): 233. Bibcode:2018AJ....156..233D. S2CID 119391307. arXiv:1811.00041可免费查阅. doi:10.3847/1538-3881/aae5fa (英语). 
  3. ^ Your NED Search Results. ned.ipac.caltech.edu. [2019-08-02]. (原始内容存档于2022-10-07). 
  4. ^ New General Catalog Objects: NGC 4300 - 4349. cseligman.com. [2019-08-02]. (原始内容存档于2023-05-01). 
  5. ^ Binggeli, B.; Sandage, A.; Tammann, G. A. Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area.. The Astronomical Journal. 1985-09-01, 90: 1681–1759. Bibcode:1985AJ.....90.1681B. ISSN 0004-6256. doi:10.1086/113874. 
  6. ^ 6.0 6.1 Sanchis, T.; Mamon, G. A.; Salvador-Sol´e, E.; Solanes, J. M. The origin of H I-deficiency in galaxies on the outskirts of the Virgo cluster. II. Companions and uncertainties in distances and deficiencies. Astronomy and Astrophysics. 2004-05-01, 418: 393–411. Bibcode:2004A&A...418..393S. ISSN 0004-6361. arXiv:astro-ph/0401367可免费查阅. doi:10.1051/0004-6361:20034158可免费查阅. 
  7. ^ NGC 4305 - SA(s)a. The De Vaucouleurs Atlas of Galaxies. [2019-08-09]. (原始内容存档于2021-10-27). 
  8. ^ van den Bergh, Sidney; Pierce, Michael J.; Tully, R. Brent. Classification of galaxies on CCD frames. The Astrophysical Journal. 1990-08-01, 359: 4–14. Bibcode:1990ApJ...359....4V. ISSN 0004-637X. doi:10.1086/169027. 
  9. ^ Malin, D. Interacting Galaxies in the Virgo Cluster. Astronomy from Wide-Field Imaging. 1994, 161: 567–576. Bibcode:1994IAUS..161..567M. ISBN 978-0-7923-2879-7. doi:10.1007/978-94-011-1146-1_119. 

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NGC 4305
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