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A Multiwavelength Study of PSR J1119-6127 after 2016 Outburst
Wang, H-H1; Lin, L. C-C2; Dai, S.3; Takata, J.1; Li, K. L.2; Hu, C-P4; Hou X(侯贤)5,6
发表期刊ASTROPHYSICAL JOURNAL
2020-10-01
卷号902期号:2页码:11
DOI10.3847/1538-4357/abb3c4
产权排序第5完成单位
收录类别SCI
关键词Penumbra Periodic variable stars Photographic astrometry Polar caps Proton-proton reaction X-ray bright point X-ray point sources Plasma astrophysics Phase error Phase effect Model selection Neutron stars
摘要

The high magnetic field pulsar PSR J1119-6127, detected from radio to high-energy wavelengths, underwent a magnetar-like outburst beginning on 2016 July 27. In this paper, we study the postoutburst multiwavelength properties of this pulsar from the radio to GeV bands and discuss its similarity with the outburst of the magnetar XTE J1810-197. In phase-resolved spectral analysis of 0.5-10 keV X-ray data collected in 2016 August, the on- and off-pulse spectra are both characterized by two blackbody components and also require a power-law component similar to the hard X-ray spectra of magnetars. This power-law component is no longer distinguishable in data from 2016 December. We likewise find that there was no substantial shift between the radio and X-ray pulse peaks after the 2016 X-ray outburst. The gamma-ray pulsation after the X-ray outburst is confirmed with data taken after 2016 December, and the pulse structure and phase difference between the gamma-ray and radio peaks (similar to 0.4 cycle) are also consistent with those before the X-ray outburst. These multiwavelength observations suggest that the reconfiguration of the global magnetosphere after the 2016 magnetar-like outburst continued for at most about 6 months. We discuss the evolution of the X-ray emission after the 2016 outburst with the untwisting magnetosphere model.

资助项目National Science Foundation of China (NSFC)[11573010] ; National Science Foundation of China (NSFC)[11661161010] ; National Science Foundation of China (NSFC)[U1631103] ; National Science Foundation of China (NSFC)[U1838102] ; National Research Foundation of Korea (NRFK)[2016R1A5A1013277] ; Hong Kong Government[HKU 17300215] ; National Natural Science Foundation of China[NSFC-U1938103] ; National Natural Science Foundation of China[NSFC-11673060] ; Light of West China Program of the Chinese Academy of Sciences ; NASA ; DOE[DE-AC02-76SF00515]
项目资助者National Science Foundation of China (NSFC)[11573010, 11661161010, U1631103, U1838102] ; National Research Foundation of Korea (NRFK)[2016R1A5A1013277] ; Hong Kong Government[HKU 17300215] ; National Natural Science Foundation of China[NSFC-U1938103, NSFC-11673060] ; Light of West China Program of the Chinese Academy of Sciences ; NASA ; DOE[DE-AC02-76SF00515]
语种英语
学科领域天文学 ; 天体物理学 ; 高能天体物理学
学科门类理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000578842300001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]GAMMA-RAY PULSARS ; X-RAY ; ROTATION ; MAGNETAR ; GLITCH ; TELESCOPE ; DISCOVERY ; EMISSION
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/23845
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Wang, H-H
作者单位1.Department of Astronomy, School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
2.Department of Physics, UNIST, Ulsan 44919, Republic of Korea
3.CSIRO Astronomy and Space Science, Australia Telescope National Facility, Box 76, Epping, NSW 1710, Australia
4.Department of Astronomy, Kyoto University, Oiwakecho, Sakyoku, Kyoto 606-8502, Japan
5.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, People's Republic of China
6.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, 650216, People's Republic of China
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Wang, H-H,Lin, L. C-C,Dai, S.,et al. A Multiwavelength Study of PSR J1119-6127 after 2016 Outburst[J]. ASTROPHYSICAL JOURNAL,2020,902(2):11.
APA Wang, H-H.,Lin, L. C-C.,Dai, S..,Takata, J..,Li, K. L..,...&Hou X.(2020).A Multiwavelength Study of PSR J1119-6127 after 2016 Outburst.ASTROPHYSICAL JOURNAL,902(2),11.
MLA Wang, H-H,et al."A Multiwavelength Study of PSR J1119-6127 after 2016 Outburst".ASTROPHYSICAL JOURNAL 902.2(2020):11.
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