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XMM-Newton discovers a new class of black holes

1 July 2009

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Artist's view of intermediate-mass black hole in its host galaxy

Illustration of HLX-1 (blue star to the upper left hand side of the galactic bulge). HLX-1, located on the outskirts of the spiral galaxy ESO 243-49, is the strongest candidate to- date of intermediate-mass black holes.

Credits: Heidi Sagerud

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