Journal
ASTROPHYSICAL JOURNAL
Volume 744, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/744/1/37
Keywords
stars: emission-line, Be; stars: individual (A0535+26); stars: neutron; X-rays: binaries
Categories
Funding
- National Basic Research Program of China-973 Program [2009CB824800]
- Natural Science Foundation of China [10873036, 11003045]
- National High Technology research, and Development Program of China-863 project [2008AA12Z304]
Ask authors/readers for more resources
We present long-term optical spectroscopic observations on the Be/X-ray binary A0535+26 from 1992 to 2010. Combined with the public V-band photometric data, we find that each giant X-ray outburst occurred in a fading phase of the optical brightness. The anti-correlation between the optical brightness and the H alpha intensity during our 2009 observations indicates a mass ejection event had taken place before the 2009 giant X-ray outburst, which might cause the formation of a low-density region in the inner part of the disk. The similar anti-correlation observed around 1996 September indicates the occurrence of the mass ejection, which might trigger the subsequent disk loss event in A0535+26.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available