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Two formation mechanisms for binary (and multiple) protostars in shocked interstellar gas layers

Chapman, S. J., Bhattal, S. S., Disney, Michael John, Pongracic, H., Turner, J. A. and Whitworth, Anthony Peter 1994. Two formation mechanisms for binary (and multiple) protostars in shocked interstellar gas layers. Presented at: 1st UNAM-CRAY Supercomputing Workshop on Numerical Simulations in Astrophysics : Modelling the Dynamics of the Universe, Mexico City, México, 26-30 July 1993. Numerical Simulations in Astrophysics: Proceedings of the First UNAM-CRAY Supercomputing Workshop, 'Numerical Simulations in Astrophysics : Modelling the Dynamics of the Universe' Held in Mexico City, México, July 26-30, 1993. Cambridge, UK: Cambridge University Press, pp. 206-224.

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Abstract

The authors present numerical simulations illustrating two mechanisms of binary formation. In the first mechanism, protostellar discs form independently and then capture one another to form binary and multiple systems. In the second mechanism, a single protostellar disc becomes rotationally unstable due to the accretion of matter with high specific angular momentum, and breaks up into two or more pieces. Both mechanisms occur for a wide range of initial conditions.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: Star Formation: Binaries, Star Formation: Multiple Stars, Star Formation: Hydrodynamics
Publisher: Cambridge University Press
ISBN: 9780521462389
Last Modified: 20 Jul 2019 19:13
URI: http://orca.cf.ac.uk/id/eprint/74198

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