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A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B
Fan, Yi-Zhong1; Yu, Yun-Wei2; Xu, Dong3; Jin, Zhi-Ping1; Wu, Xue-Feng4; Wei, Da-Ming1; Zhang, Bing5
2013-12-20
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume779Issue:2Pages:L25-L25
AbstractWe 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.
KeywordGamma Rays: General Radiation Mechanisms: Non-thermal
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/2041-8205/779/2/L25
WOS KeywordGAMMA-RAY BURSTS ; NEUTRON-STAR MERGERS ; GRAVITATIONAL-WAVE BURSTS ; EARLY X-RAY ; LIGHT CURVES ; MILLISECOND MAGNETAR ; EXTENDED EMISSION ; QUARK STARS ; NEWLY BORN ; SPIN-DOWN
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000328260900011
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9791
Collection暗物质和空间天文实验室
Affiliation1.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
GB/T 7714
Fan, Yi-Zhong,Yu, Yun-Wei,Xu, Dong,et al. A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B[J]. ASTROPHYSICAL JOURNAL LETTERS,2013,779(2):L25-L25.
APA Fan, Yi-Zhong.,Yu, Yun-Wei.,Xu, Dong.,Jin, Zhi-Ping.,Wu, Xue-Feng.,...&Zhang, Bing.(2013).A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B.ASTROPHYSICAL JOURNAL LETTERS,779(2),L25-L25.
MLA Fan, Yi-Zhong,et al."A SUPRAMASSIVE MAGNETAR CENTRAL ENGINE FOR GRB 130603B".ASTROPHYSICAL JOURNAL LETTERS 779.2(2013):L25-L25.
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