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PHASE-RESOLVED SPECTRAL ANALYSIS OF 4U 1901+03 DURING ITS OUTBURST
Lei YJ(雷亚娟); Chen W(陈尉); Qu JL(屈进禄); Song LM(宋黎明); Zhang S(张澍); Lu Y(卢宇); Li TB(李惕碚); Lei, YJ; Chen, W; Qu, JL; Song, LM; Zhang, S; Lu, Y; Zhang, HT; Li, TP
刊名ASTROPHYSICAL JOURNAL
2009
卷号707期号:2页码:1016-1022
关键词pulsars: individual (4U 1901+03) stars: neutron X-rays: stars
学科分类Astronomy & Astrophysics
DOI10.1088/0004-637X/707/2/1016
通讯作者[Lei, Ya-Juan ; Chen, Wei ; Qu, Jin-Lu ; Song, Li-Ming ; Zhang, Shu ; Lu, Yu ; Li, Ti-Pei] Chinese Acad Sci, Ctr Particle Astrophys, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Zhang, Hao-Tong] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China ; [Li, Ti-Pei] Tsinghua Univ, Ctr Astrophys, Beijing 100084, Peoples R China
文章类型Article
英文摘要The high-mass X-ray binary 4U 1901+03 is reported to have a pulse profile evolving with the X-ray luminosity and energy during its outburst in 2003 February-July: the pulse peak changed from double to single along with the decreasing luminosity. We have carried out a detailed analysis on the contemporary phase-resolved energy spectrum of 4U 1901+03 as observed by the Rossi X-ray Timing Explorer. We find that the spectra are phase dependent. At the beginning of the outburst, the maximum of the optical depth for Compton scattering is near the major phase peak. During the decay of the outburst, the optical depth has the maximum away from the main peak of the pulse profile. For each observation, Fe K alpha emission line is detected in the phase-resolved spectra, and its flux is constant across the pulse phases. This suggests that the origin of the Fe emission is from the accretion disk, not the surface of the neutron star.
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS记录号WOS:000272465400016
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238899
专题院士_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
中国科学院高能物理研究所_理论物理室
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Lei YJ,Chen W,Qu JL,et al. PHASE-RESOLVED SPECTRAL ANALYSIS OF 4U 1901+03 DURING ITS OUTBURST[J]. ASTROPHYSICAL JOURNAL,2009,707(2):1016-1022.
APA 雷亚娟.,陈尉.,屈进禄.,宋黎明.,张澍.,...&Li, TP.(2009).PHASE-RESOLVED SPECTRAL ANALYSIS OF 4U 1901+03 DURING ITS OUTBURST.ASTROPHYSICAL JOURNAL,707(2),1016-1022.
MLA 雷亚娟,et al."PHASE-RESOLVED SPECTRAL ANALYSIS OF 4U 1901+03 DURING ITS OUTBURST".ASTROPHYSICAL JOURNAL 707.2(2009):1016-1022.
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