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UDFj-39546284

UDFj-39546284
哈勃望远镜拍到的UDFj-39546284照片
观测资料
星座天炉座
赤经03h 32m 39.54s[1]
赤纬-27° 46′ 28.4″[1]
紅移~10.3[1]
距离~132亿光年
视星等 (V)V fainter than 30.1[1]
H160 = 28.92 ± 0.18[1]
J125 - H160 > 2[1]
參見:星系星系列表

UDFj-39546284是一个位于天炉座,距离地球132亿光年星系,也就是说该星系形成于宇宙大爆炸之后4.8亿年。在2011年至2012年曾经是人类史上观测到的最古老的星系。体积是银河系的百分之一[2]

该星系由哈伯太空望遠鏡上的第三代廣域照相機 (WFC3)探测到[2],美国和欧洲的研究人员在哈伯超深空数据中发现了这个红移值z≈10的星系[1]。但和UDFy-38135539不同的是UDFj-39546284未经光谱证实[3]

图集

[编辑]

参考文献

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 R.J. Bouwens, G.D. Illingworth, I. Labbe, P.A. Oesch, M. Carollo, M. Trenti, P.G. van Dokkum, M. Franx, M. Stiavelli, V. Gonzalez, D. Magee. A candidate redshift z ~ 10 galaxy and rapid changes in that population at an age of 500 Myr. Astrophysical Journal. [2011-01-27]. (原始内容存档于2021-04-27). 
  2. ^ 2.0 2.1 叶孤城. 哈勃观测到诞生于宇宙大爆炸后4.8亿年的星系. 科学网. 2011-01-27 [2011-01-27]. (原始内容存档于2020-12-02). 
  3. ^ Hubble finds a new contender for galaxy distance record. Space Telescope (heic1103 - Science Release). 26 January 2011 [2011-01-27]. (原始内容存档于2012-07-27). 
紀錄
上一紀錄:
UDFy-38135539
最遙遠的天體
2011年-2012年
下一紀錄:
MACS0647-JD
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UDFj-39546284
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