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Tidal disruption of stars by a massive black hole

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Abstract

The hydrodynamics of stellar models in the tidal field of a massive black hole is calculated numerically under certain simplifying assumptions. It is found that solar type stars are totally disrupted only when falling toward a black hole whose mass does not exceed 106–107 M ⊙. Red giants lose their entire envelope for all black hole masses studied.

Our findings strengthen the view that tidal disruption is not an important source of gas in AGN's.

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Authors and Affiliations

  1. Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel

    Oded Regev (Member of the Technion Space Research Institute) & Daniel Portnoy

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  1. Oded Regev
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  2. Daniel Portnoy
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Regev, O., Portnoy, D. Tidal disruption of stars by a massive black hole. Astrophys Space Sci 132, 249–256 (1987). https://doi.org/10.1007/BF00641756

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  • DOI: https://doi.org/10.1007/BF00641756

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