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Intermediate-mass black hole found

The existence of medium-sized black holes has long been debated. Such an object has now been discovered in the centre of a dense cluster of stars, potentially enhancing our understanding of all black holes. See Letter p.203

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Figure 1: The globular cluster 47 Tucanae.


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Correspondence to Kayhan Gültekin.

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Gültekin, K. Intermediate-mass black hole found. Nature 542, 175–176 (2017).

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