Journal Article

Stellar capture by an accretion disc

D. Vokrouhlický and G. Wallerstein

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 293, issue 1, pages L1-L5
Published in print January 1998 | ISSN: 0035-8711
Published online January 1998 | e-ISSN: 1365-2966 | DOI:
Stellar capture by an accretion disc

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The long-term evolution of a stellar orbit captured by a massive galactic centre via successive interactions with an accretion disc has been examined. An analytical solution describing the evolution of the stellar orbital parameters during the initial stage of the capture has been found. Our results are applicable to thin Keplerian discs with an arbitrary radial distribution of density and a rather general prescription for the star—disc interaction. Temporal evolution is given in the form of quadrature which can be carried out numerically.

Keywords: accretion; accretion discs; celestial mechanics; stellar dynamics; stars: kinematics; galaxies: nuclei

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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