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DISCRETE MASS EJECTIONS FROM THE Be/X-RAY BINARY A0535+26/HD 245770
Yan, Jingzhi1,2; Li, Hui1,2; Liu, Qingzhong1,2
2012
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume744Issue:1Pages:37(6PP)
AbstractWe 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.
KeywordStars: Emission-line, Be Stars: Individual (a0535+26) Stars: Neutron X-rays: Binaries
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/744/1/37
WOS KeywordLONG-TERM VARIABILITY ; X-PERSEI ; OUTBURST ; STARS ; SPECTROSCOPY ; ENVELOPES ; BEHAVIOR ; PHASE ; DISKS ; TAU
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000298408300037
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8039
Collection太阳高能及相关物理过程研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Nanjing, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Yan, Jingzhi,Li, Hui,Liu, Qingzhong. DISCRETE MASS EJECTIONS FROM THE Be/X-RAY BINARY A0535+26/HD 245770[J]. ASTROPHYSICAL JOURNAL,2012,744(1):37(6PP).
APA Yan, Jingzhi,Li, Hui,&Liu, Qingzhong.(2012).DISCRETE MASS EJECTIONS FROM THE Be/X-RAY BINARY A0535+26/HD 245770.ASTROPHYSICAL JOURNAL,744(1),37(6PP).
MLA Yan, Jingzhi,et al."DISCRETE MASS EJECTIONS FROM THE Be/X-RAY BINARY A0535+26/HD 245770".ASTROPHYSICAL JOURNAL 744.1(2012):37(6PP).
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