The ultraluminous X‐ray source in M82: an intermediate‐mass black hole with a giant companion

  title={The ultraluminous X‐ray source in M82: an intermediate‐mass black hole with a giant companion},
  author={Alessandro Patruno and Simon Portegies Zwart and Jasinta D. M. Dewi and Clovis Hopman},
  journal={Monthly Notices of the Royal Astronomical Society: Letters},
The starburst galaxy M82, at a distance of 12 million light years, is the host of an unusually bright 2.4–16 × 1040 erg s−1 X-ray point source, which is best explained by an accreting black hole 102 to 104 times more massive than the Sun. Though the strongest candidate for a so-called intermediate-mass black hole, the only support stems from the observed luminosity and the 0.05–0.1 Hz quasi-periodicity in its signal. Interestingly, the 7–12 Myr old star cluster MGG-11 which has been associated… Expand

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