Extreme X-ray source supports new class of black hole

A group of international astronomers in the UK, France and the USA, led by the University of Leicester, have found proof to confirm the distance and brightness of the most extreme ultra-luminous X-ray source, which may herald a new type of Black Hole.



The X-ray source, HLX-1, is the most extreme member of an extraordinary class of objects ? the ultra-luminous X-ray sources ? and is located in the galaxy ESO 243-49 at a distance of ~300 million light years from the Earth.

The a [...]

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