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4C +37.11

4C +37.11
观测资料(J2000 曆元
星座英仙座
赤经04h 05m 49.2s[1]
赤纬+38° 03′ 32″[1]
紅移16,500 ± 300 km/s[1]
距离750 Mly (230 Mpc) [2]
视星等 (V)17.2[1]
特征
类型Sy[1]
其他名称
GLXY J0405+380 , B2 0402+37 , 2MASX J04054928+3803320 , RX J0405.8+3803
參見:星系星系列表

4C +37.11,或稱星系0402+379是一個電波星系橢圓星系。2006年,此星系被直接觀測到擁有一對靠得很近的超大質量黑洞聯星,相距僅24光年,或是7.3秒差距、互繞軌道週期約30,000年。這一對超大質量黑洞距離地球約7億5000萬光年,合計的質量是150億M[3]

在這之前直接觀察到的超大質量黑洞聯星最小的距離是2,400光年[來源請求]。除此之外,類星體OJ 287的超大質量黑洞聯星軌道距離只有12年,比此星系的黑洞聯星更加接近,但這只是推斷,仍需更多直接觀察才能證實。

在至少數百萬年之後,這一對黑洞最終將會碰撞、合併,釋放出強烈的重力波[3]

參考資

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 NASA/IPAC Extragalactic Database. Results for 0402+379. [26 November 2006]. (原始内容存档于2013-06-07). 
  2. ^ Scientists Find Closest Pair of Supermassive Black Holes. PhysOrg.com. [15 March 2008]. (原始内容存档于2007-09-29). 
  3. ^ 3.0 3.1 Klesman, Alison. Astronomers spot a pair of orbiting supermassive black holes. Astronomy Magazine. 29 June 2017. (原始内容存档于2017-07-10). 

外部連結

[编辑]


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4C +37.11
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