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Disruption of a proto-planetary disc by the black hole at the milky way centre

Nature Communications, ISSN: 2041-1723, Vol: 3, Issue: 1, Page: 1049
2012
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Most Recent News

Planets Can Form in the Galactic Center

The Harvard-Smithsonian Center for Astrophysics issued the following news release: At first glance, the center of the Milky Way seems like a very inhospitable place

Article Description

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. © 2012 Macmillan Publishers Limited. All rights reserved.

Bibliographic Details

Murray-Clay, Ruth A; Loeb, Abraham

Springer Science and Business Media LLC

Chemistry; Biochemistry, Genetics and Molecular Biology; Physics and Astronomy

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