Rapidly rotating stars and the Be star phenomenon

Apparao, K. M. V. ; Antia, H. M. ; Chitre, S. M. (1987) Rapidly rotating stars and the Be star phenomenon Astronomy & Astrophysics, 177 (1-2). pp. 198-200. ISSN 0004-6361

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We have outlined a scenario in which a Be star ejects a ring of matter in a quasi-periodic fashion. With an assumed rapidly rotating core, we find that the transport of angular momentum to the outer regions of the star can destabilize the already near-critical outer layers. These outer regions are confined from flowing out by a magnetic field and with increasing angular momentum a Rayleigh-Taylor type instability can develop leading to the episodic ejection of gas in the equatorial regions.

Item Type:Article
Source:Copyright of this article belongs to EDP Sciences.
Keywords:Be Star; Angular Momentum Transport
ID Code:89011
Deposited On:30 Mar 2012 06:55
Last Modified:12 Jul 2012 12:19

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