NGC 4634
NGC 4634 | |
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观测资料(J2000 曆元) | |
星座 | 后髮座 |
赤经 | 12h 42m 40.986s[1] |
赤纬 | +14° 17′ 45.15″[1] |
紅移 | 0.000991[2] |
徑向速度 | 297[2] |
属于 | 室女座星系團 |
视星等 (V) | 11.67[2] |
视星等 (B) | 13.6[3] |
絕對星等 (V) | -17.96[2] |
特征 | |
类型 | SBcd[2] |
大小 | 49,800 ly(15.28 kpc)[2] |
角直徑 (V) | 2.6′ × 0.494′[2] |
其他名称 | |
UGC 7875, PGC 42707, VCC 1932, MGC+03-32-086[3] | |
參見:星系、星系列表 |
NGC 4634是一個側面面對地球的棒旋星系[4],距離地球約7000萬光年,在天球上位於后髮座[5]。NGC 4634由天文學家威廉·赫歇爾發現於1787年1月14日[6]。NGC 4634正與螺旋星系NGC 4633(英语:NGC 4633)產生重力交互作用中[5],並且兩者都是室女座星系團成員[7][8]。
參考資料
- ^ 1.0 1.1 Skrutskie, M. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 2006, 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708.
- ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 NED results for object NGC 4634. National Aeronautics and Space Administration / Infrared Processing and Analysis Center(英语:Infrared Processing and Analysis Center). [13 February 2017]. (原始内容存档于2019-10-18).
- ^ 3.0 3.1 NGC 4634. SIMBAD. 斯特拉斯堡天文資料中心.
- ^ Detailed Object Classifications. ned.ipac.caltech.edu. [2017-09-14]. (原始内容存档于2018-09-14).
- ^ 5.0 5.1 [email protected]. Glowing gas and dark dust in a side-on spiral. www.spacetelescope.org. [2017-09-14]. (原始内容存档于2017-09-14) (英国英语).
- ^ New General Catalog Objects: NGC 4600 - 4649. cseligman.com. [2017-09-14]. (原始内容存档于2019-03-05) (美国英语).
- ^ The Virgo Cluster. www.atlasoftheuniverse.com. [2017-09-14]. (原始内容存档于2016-03-09).
- ^ NGC 4633 and 4634 May be Interacting - CCD Imaging & Processing - Cloudy Nights. Cloudy Nights. [2017-09-14]. (原始内容存档于2017-09-15) (英语).
维基共享资源上的相关多媒体资源:NGC 4634
天文學目錄 | ||
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NGC天體表: | NGC 4632 - NGC 4633 - NGC 4634 - NGC 4635 - NGC 4636 |
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