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4C +37.11 or Galaxy 0402+379 is a radio galaxy and elliptical galaxy featuring binary supermassive black holes with the least separation of any directly observed binaries, as of 2006. The separation between the two is 24 light-years or 7.3 parsecs, with an orbital period of 30,000 years. The two supermassive black holes, about 750 million light years from earth, have a combined mass of about 15 billion M☉. The eventual collision of the pair, which should stay apart for at least a few million more years, would result in strong gravitational waves.

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  • 4C +37.11 (en)
  • Galaxia 0402+379 (es)
  • 0402+379 (fr)
  • 4C 37.11 (ja)
  • Galáxia 0402+379 (pt)
  • 4C +37.11 (zh)
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  • 4C 37.11 (Galaxy 0402+379) とは、地球から見てペルセウス座の方向に7億5000万光年離れた位置にあるセイファート銀河である。 (ja)
  • 4C +37.11,或稱星系0402+379是一個電波星系和橢圓星系。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☉。 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。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。 (zh)
  • 4C +37.11 or Galaxy 0402+379 is a radio galaxy and elliptical galaxy featuring binary supermassive black holes with the least separation of any directly observed binaries, as of 2006. The separation between the two is 24 light-years or 7.3 parsecs, with an orbital period of 30,000 years. The two supermassive black holes, about 750 million light years from earth, have a combined mass of about 15 billion M☉. The eventual collision of the pair, which should stay apart for at least a few million more years, would result in strong gravitational waves. (en)
  • La Galaxia 0402+379 es una galaxia elíptica y radiogalaxia que se encuentra en la constelación de Perseo. Esta galaxia un sistema binario de dos agujeros negros supermasivos cuya separación es de 24 años luz, la mínima directamente observada para este tipo de binarias. La masa total del sistema se estima en ~1.5 x 108 masas solares. Asumiendo una masa igual para ambos, su período orbital es de 150.000 años. Se piensa que estos agujeros negros eran los núcleos de dos distintas galaxias que colisionaron, dejando a los agujeros negros en órbita entre sí.​ (es)
  • 0402 +379 ou 4C +37.11 est une galaxie radio et elliptique constituée de deux trous noirs binaires supermassifs qui présentent la plus courte distance de séparation que l'on ait directement observé en 2006. Il s'agit du premier système binaire visuel de trous noirs observé. La séparation entre les deux trous noirs est de 24 années-lumière ou 7,3 parsecs, avec une période orbitale de 30 000 ans. Les deux trous noirs supermassifs qui se situent à environ 750 millions d'années-lumière de la Terre ont une masse combinée d'environ 15 milliards de M☉. (fr)
  • A Galáxia 0402+379 é uma galáxia elíptica e radiogaláxia na direção da constelação de Perseus. Esta galáxia possui uma sistema de dois buracos negros supermassivos cuja separação é de 24 anos-luz, a mínima diretamente observada para este tipo de binárias. A massa total do sistema se estima em ~1.5 × 108 massas solares. Assumindo uma massa igual para ambos, seu período orbital é de 150.000 anos. Se pensa que estes buracos negros eram os núcleos de duas distintas galáxias que colidiram, deixando os buracos negros em órbita entre si. (pt)
foaf:name
  • GLXY J0405+380 , B2 0402+37 , 2MASX J04054928+3803320 , RX J0405.8+3803, PGC 2820486 (en)
  • 4C +37.11 (en)
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  • GLXY J0405+380 , B2 0402+37 , 2MASX J04054928+3803320 , RX J0405.8+3803, PGC 2820486 (en)
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  • 4C +37.11 or Galaxy 0402+379 is a radio galaxy and elliptical galaxy featuring binary supermassive black holes with the least separation of any directly observed binaries, as of 2006. The separation between the two is 24 light-years or 7.3 parsecs, with an orbital period of 30,000 years. The two supermassive black holes, about 750 million light years from earth, have a combined mass of about 15 billion M☉. Other supermassive binary black hole candidates suggest the smaller separation distances expected as they eventually merge, but have not been confirmed. For example, quasar OJ 287 is inferred to have a binary supermassive black hole pair with an orbital period of 12 years, and thus be much closer together. However these have not been directly measured and additional observation, possibly over extended time periods, is needed. The eventual collision of the pair, which should stay apart for at least a few million more years, would result in strong gravitational waves. (en)
  • La Galaxia 0402+379 es una galaxia elíptica y radiogalaxia que se encuentra en la constelación de Perseo. Esta galaxia un sistema binario de dos agujeros negros supermasivos cuya separación es de 24 años luz, la mínima directamente observada para este tipo de binarias. La masa total del sistema se estima en ~1.5 x 108 masas solares. Asumiendo una masa igual para ambos, su período orbital es de 150.000 años. Se piensa que estos agujeros negros eran los núcleos de dos distintas galaxias que colisionaron, dejando a los agujeros negros en órbita entre sí.​ Aunque la radiación gravitatoria del sistema no es suficiente para que la órbita vaya disminuyendo y ambos agujeros negros colisionen en un futuro próximo, el descubrimiento de este tipo de sistemas tiene importantes implicaciones para poder encontrar fuentes detectables de ondas gravitatorias. (es)
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