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The tidal disruption of a star by a massive black hole
Abstract
Results are reported from a three-dimensional numerical calculation of the tidal disruption of a low-mass main-sequence star on a parabolic orbit around a massive black hole (Mh = 10 to the 6th stellar mass). The postdisruption evolution is followed until hydrodynamic forces becomes negligible and the liberated gas becomes ballistic. Also given is the rate at which bound mass returns to pericenter after orbiting the hole once. The processes that determine the time scale to circularize the debris orbits and allow an accretion torus to form are discussed. This time scale and the time scales for radiative cooling and accretion inflow determine the onset and duration of the subsequent flare in the AGN luminosity.
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Citations
Cited by
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Ivezić, Ž., Kahn, S. M., Tyson, J. A., Abel, B., Acosta, E., Allsman, R., Alonso, D., AlSayyad, Y., Anderson, S. F., Andrew, J., et al. (2019) · The Astrophysical Journal · doi:10.3847/1538-4357/ab042c · Cited by 4,357
“• Search for stellar tidal disruptions by nuclear supermassive black holes (Evans & Kochanek 1989; Gezari et al. 2008; Strubbe & Quataert 2009; Bloom et al. 2011; Gezari 2012), as well as binary supermassive black holes in the in-spiral phase (e.g., Cuadra et al. 2009).”
BackgroundThe Zwicky Transient Facility: Science Objectives
Graham, M. J., Kulkarni, S. R., Bellm, E. C., Adams, S. M., Barbarino, C., Blagorodnova, N., Bodewits, D., Bolin, B., Brady, P. R., Cenko, S. B., et al. (2019) · Publications of the Astronomical Society of the Pacific · doi:10.1088/1538-3873/ab006c · Cited by 832
The fuelling of active galactic nuclei
Shlosman, I., Begelman, M. C., & Frank, J. (1990) · Nature · doi:10.1038/345679a0 · Cited by 552
Guillochon, J., & Ramirez-Ruiz, E. (2013) · The Astrophysical Journal · doi:10.1088/0004-637x/767/1/25 · Cited by 536
An ultraviolet–optical flare from the tidal disruption of a helium-rich stellar core
Gezari, S., Chornock, R., Rest, A., Huber, M. E., Forster, K., Berger, E., Challis, P. J., Neill, J. D., Martin, D. C., Heckman, T., et al. (2012) · Nature · doi:10.1038/nature10990 · Cited by 461
Metadata
- Authors
- Evans, C. R., & Kochanek, C. S.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1989-11
- Volume
- 346
- Pages
- L13
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2038337533
- Cited by
- 580
- References
- 0
- FWCI
- 4.12
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The tidal disruption of a star by a massive black hole. https://app.cochat.ai/papers/10.1086/185567
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- Evans, C. R., & Kochanek, C. S. (1989). The tidal disruption of a star by a massive black hole. The Astrophysical Journal. https://doi.org/10.1086/185567
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
