| Disruption of a proto-planetary disc by the black hole at the milky way centre. | |
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MedLine Citation:
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PMID: 22968695 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Recently, an ionized cloud of gas was discovered plunging towards the supermassive black hole, SgrA*, at the centre of the Milky Way. The cloud is being tidally disrupted along its path to closest approach at ∼3,100 Schwarzschild radii from the black hole. Here we show that the observed properties of this cloud of gas can naturally be produced by a proto-planetary disc surrounding a low-mass star, which was scattered from the observed ring of young stars orbiting SgrA*. As the young star approaches the black hole, its disc experiences both photoevaporation and tidal disruption, producing a cloud. Our model implies that planets form in the Galactic centre, and that tidal debris from proto-planetary discs can flag low-mass stars, which are otherwise too faint to be detected. |
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Authors:
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Ruth A Murray-Clay; Abraham Loeb |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Nature communications Volume: 3 ISSN: 2041-1723 ISO Abbreviation: Nat Commun Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-09-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101528555 Medline TA: Nat Commun Country: England |
Other Details:
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Languages: eng Pagination: 1049 Citation Subset: IM |
Affiliation:
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Institute for Theory & Computation, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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