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The X-ray Outbursts of Be/X-ray Transients

Published online by Cambridge University Press:  12 April 2016

Ignacio Negueruela  and
Atsuo T. Okazaki
Ignacio Negueruela
Affiliation:
SAX SDC, c/o Nuova Telespazio, via Corcolle 19, I00131 Rome, Italy
Atsuo T. Okazaki
Affiliation:
SAX SDC, c/o Nuova Telespazio, via Corcolle 19, I00131 Rome, Italy

Abstract

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We present a new scenario for the behaviour of Be/X-ray binaries based on long-term multiwavelength monitoring and the decretion disc model. The circumstellar discs of the primaries are truncated because of the tidal and resonant effect of the neutron star. The geometry of the systems and the value of viscosity determine the presence or absence of Type I X-ray outbursts. The interaction of a strongly disturbed disc with the neutron star originates Type II X-ray and optical outbursts.

Type
7. Interacting Binaries
Information
International Astronomical Union Colloquium , Volume 175: The Be Phenomenon in Early-Type Stars , 2000 , pp. 713 - 718
Copyright
Copyright © Astronomical Society of the Pacific 2000

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