A compact X-ray emitting binary in likely association with 4FGL J0935.3+0901 | |
Wang, Zhongxiang3; Xing, Yi3; Zhang JJ(张居甲)1,2; Boutsia, Konstantina7; Wang, Gege3; Jithesh, V8; Burdge, Kevin B.4; Coughlin, Michael W.5; Duev, Dmitry A.5; Kulkarni, S. R.4,5 | |
刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY |
2020-04-01 | |
卷号 | 493期号:4页码:4845-4851 |
关键词 | stars: neutron pulsars: general gamma-rays: stars X-rays: binaries |
ISSN号 | 0035-8711 |
DOI | 10.1093/mnras/staa655 |
产权排序 | 第2完成单位 |
文献子类 | Article |
英文摘要 | 4FGL J0935.3+0901 is a gamma-ray source detected by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope. We have conducted detailed analysis of the LAT data for this source and multiwavelength studies of the source field. Its gamma-ray emission can be described with a power law (Gamma = 2.0 +/- 0.2) with an exponential cut-off (E-c = 2.9 +/- 1.6 GeV), while the flux shows significant long-term variations. From analysis of archival Neil Gehrels Swift Observatory X-Ray Telescope data, we find only one X-ray source in the LAT's 2 sigma error region. Within a 3.7 arcsec radius error circle of the X-ray source, there is only one optical object down to r' similar to 23 mag. Time-resolved photometry of the optical object indicates a likely 2.5 h periodic modulation, while its spectrum shows double-peaked hydrogen and helium emission lines (similar to those seen in accretion discs in low-mass X-ray binaries). Combining these results, we conclude that we have discovered a compact X-ray emitting binary in likely association with 4FGL J0935.3+0901, i.e. a millisecond pulsar (MSP) binary. We discuss the implication of the optical spectral features: this binary could be a transitional MSP system at a subluminous disc state, although the other possibility, the binary in a rotation powered state showing the optical emission lines due to intrabinary interaction processes, cannot be excluded. Further observational studies will help to determine detailed properties of this candidate MSP binary and thus clarify its current state. |
学科主题 | 天文学 ; 恒星与银河系 |
URL标识 | 查看原文 |
出版地 | GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND |
资助项目 | National Program on Key Research and Development Project[2016YFA0400804] ; National Natural Science Foundation of China[11633007] ; National Natural Science Foundation of China[U1738131] ; NSFC[11773067] ; NSFC[11403096] ; Youth Innovation PromotionAssociation of the Chinese Academy of Sciences[2018081] ; Western Light Youth Project |
WOS关键词 | PULSAR PSR J1023+0038 ; MILLISECOND PULSAR ; STATE |
WOS研究方向 | Astronomy & Astrophysics |
语种 | 英语 |
出版者 | OXFORD UNIV PRESS |
WOS记录号 | WOS:000539094400018 |
资助机构 | National Program on Key Research and Development Project[2016YFA0400804] ; National Natural Science Foundation of China[11633007, U1738131] ; NSFC[11773067, 11403096] ; Youth Innovation PromotionAssociation of the Chinese Academy of Sciences[2018081] ; Western Light Youth Project |
内容类型 | 期刊论文 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/23462] |
专题 | 云南天文台_丽江天文观测站(南方基地) |
通讯作者 | Wang, Zhongxiang |
作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, China 3.Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, China 4.Caltech Optical Observatories, California Institute of Technology, Pasadena, CA 91125, USA 5.Division of Physics, Math, and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA 6.Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA 7.Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile 8.Inter-University Centre for Astronomy and Astrophysics, Pune 411 007, India |
推荐引用方式 GB/T 7714 | Wang, Zhongxiang,Xing, Yi,Zhang JJ,et al. A compact X-ray emitting binary in likely association with 4FGL J0935.3+0901[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,493(4):4845-4851. |
APA | Wang, Zhongxiang.,Xing, Yi.,Zhang JJ.,Boutsia, Konstantina.,Wang, Gege.,...&Serabyn, Eugene.(2020).A compact X-ray emitting binary in likely association with 4FGL J0935.3+0901.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,493(4),4845-4851. |
MLA | Wang, Zhongxiang,et al."A compact X-ray emitting binary in likely association with 4FGL J0935.3+0901".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 493.4(2020):4845-4851. |
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