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Two black holes found in a star cluster

The detection of two candidate black holes in a dense system of stars in the Milky Way suggests that a larger population of such objects might be lurking in this system. See Letter p.71

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Figure 1: Artist's impression of an accreting black hole.



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Correspondence to Stefan Umbreit.

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Umbreit, S. Two black holes found in a star cluster. Nature 490, 46–47 (2012).

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