PMO OpenIR  > 宇宙伽马暴、中子星及相关物理研究团组
Spectral variability of the massive X-ray binary LSI +65(deg) 010
Liu, QZ ; Hang, HR
1999
Source PublicationASTRONOMY AND ASTROPHYSICS
ISSN0004-6361
Volume350Issue:3Pages:855—858
AbstractWe present optical spectroscopic observations of the massive X-ray binary LSI +65 degrees 010, the optical counterpart to the X-ray transient 2S0114+65. Our data show a dramatic variability in 1992 and only a mild variability during 1993-1995. An increase by a factor more than three in the equivalent width of the H alpha emission line within four days is present in Nov. 1992. It is interesting to notice that changes have taken place only in the blue side on Nov. 4, 1992, when compared to similar spectrum taken one day before. We associate this phenomenon with the existence of an HII region around the neutron star. A double-peak profile is seen in the spectrum of Sept. 1994. If this double-peak profile is real, we suggest that such a profile may be explained by the emission line from an HII region around the neutron star, superposed on that from the stellar wind of the supergiant.
KeywordOptical Counterpart 2s 0114+650 System 2s-0114+650
Subject AreaAstronomy & Astrophysics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8318
Collection宇宙伽马暴、中子星及相关物理研究团组
Recommended Citation
GB/T 7714
Liu, QZ,Hang, HR. Spectral variability of the massive X-ray binary LSI +65(deg) 010[J]. ASTRONOMY AND ASTROPHYSICS,1999,350(3):855—858.
APA Liu, QZ,&Hang, HR.(1999).Spectral variability of the massive X-ray binary LSI +65(deg) 010.ASTRONOMY AND ASTROPHYSICS,350(3),855—858.
MLA Liu, QZ,et al."Spectral variability of the massive X-ray binary LSI +65(deg) 010".ASTRONOMY AND ASTROPHYSICS 350.3(1999):855—858.
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