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题名: A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B
作者: Fan YiZhong(范一中)1; Yu, Yun-Wei2; Xu, Dong3; Jin ZhiPing(金志平)1; Wu XueFeng(吴雪峰)4; Wei DaMing(韦大明)1; Zhang, Bing5
刊名: ASTROPHYSICAL JOURNAL LETTERS
出版日期: 2013-12-20
卷号: 779, 期号:2, 页码:L25-L25
关键词: gamma rays: general ; radiation mechanisms: non-thermal
学科分类: Astronomy & Astrophysics
DOI: 10.1088/2041-8205/779/2/L25
文章类型: Article
英文摘要: We show that the peculiar early optical emission and, in particular, the X-ray after glow emission of the short-duration burst GRB 130603B can be explained by continuous energy injection into the blastwave from a supramassive magnetar central engine. The observed energetics and temporal/spectral properties of the late infrared bump (i.e., the "kilonova") are also found to be consistent with emission from the ejecta launched during a neutron star (NS)-NS merger and powered by a magnetar central engine. The isotropic-equivalent kinetic energies of both the gamma-ray burst (GRB) blastwave and the kilonova are approximately E-k similar to 10(51) erg, consistent with being powered by a near-isotropic magnetar wind. However, this relatively small value requires that most of the initial rotational energy of the magnetar (similar to a few x 10(52) erg) is carried away by gravitational wave radiation. Our results suggest that (1) the progenitor of GRB 130603B was a NS-NS binary system, the merger product of which would have been a supramassive NS that lasted for about similar to 1000 s; (2) the equation of state of the nuclear matter should be stiff enough to allow the survival of a long-lived supramassive NS; thus this suggested that the detection of the bright electromagnetic counterparts of gravitational wave triggers without short GRB associations is promising in the upcoming Advanced LIGO/VIRGO era.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: GAMMA-RAY BURSTS ; NEUTRON-STAR MERGERS ; GRAVITATIONAL-WAVE BURSTS ; EARLY X-RAY ; LIGHT CURVES ; MILLISECOND MAGNETAR ; EXTENDED EMISSION ; QUARK STARS ; NEWLY BORN ; SPIN-DOWN
收录类别: SCI
语种: 英语
WOS记录号: WOS:000328260900011
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/9791
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Peoples R China
3.Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, DK-2100 Copenhagen, Denmark
4.Chinese Acad Sci, Purple Mt Observ, Chinese Ctr Antarctic Astron, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA

Recommended Citation:
Fan, Yi-Zhong; Yu, Yun-Wei; Xu, Dong; Jin, Zhi-Ping; Wu, Xue-Feng; Wei, Da-Ming; Zhang, Bing.A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B,ASTROPHYSICAL JOURNAL LETTERS,2013,779(2):L25-L25
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