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Multi-wavelength Study of the Be/X-ray Binaries

Published online by Cambridge University Press:  21 February 2013

J. Z. Yan ,
H. Li ,
J. N. Zhou  and
Q. Z. Liu
Q. Z. Liu*
Affiliation:
Puple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China Key Laboratory of Dark Matter and Space Astronomy, Chinese Academy of Sciences, Nanjing 21008, China
*
*email: jzyan@pmo.ac.cn
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Abstract

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An anti-correlation between the optical brightness and the strength of the Hα emission was observed from two Be/X-ray binaries, A0535+26 and MXB 0656-072: when the optical brightness showed a decrease, the intensity of the Hα emission displayed an obvious increase. This anti-correlation is interpreted as the result of the mass ejection from the Be star. After the mass ejection event, a cavity or low-density region will be developing in the inner parter of the circumstellar disk. The X-ray outbursts of the Be/X-ray binaries might be connected with the mass ejections from the Be star.

Keywords

Stars: neutronstars: emission lineX-rays: binaries
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S290: Feeding Compact Objects: Accretion on All Scales , August 2012 , pp. 351 - 352
Copyright
Copyright © International Astronomical Union 2013

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