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IS THE LINE-LIKE OPTICAL AFTERGLOW SED OF GRB 050709 DUE TO A FLARE?
Liu, Cong1,2; Jin, Zhi-Ping1; Wei, Da-Ming1
2016-12-20
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume833Issue:2Pages:5
Corresponding AuthorLiu, Cong()
AbstractRecently, Jin et al. reanalyzed the optical observation data of GRB 050709 and reported a line-like spectral energy distribution (SED) component observed by the Very Large Telescope at t similar to 2.5 days after the trigger of the burst, which had been interpreted as a broadened line signal arising from a macronova dominated by an. iron group. In this work, we show that an optical flare origin of such a peculiar optical SED is still possible. Interestingly, even in such a model, an "unusual" origin of the late-time long-lasting Hubble Space Telescope F814W-band emission is still needed and a macronova/kilonova is the natural interpretation.
Keywordgamma-ray burst: individual (GRB 050709) radiation mechanisms: non-thermal
DOI10.3847/1538-4357/833/2/234
WOS KeywordNEUTRON-STAR MERGER ; GAMMA-RAY BURSTS ; COMPACT OBJECT MERGERS ; R-PROCESS ; LIGHT CURVES ; GRB-050709 ; MACRONOVA ; SPECTRA ; EJECTA ; DECAY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000391169600109
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23355
Collection中国科学院紫金山天文台
Corresponding AuthorLiu, Cong
Affiliation1.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Yuquan Rd 19, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Cong,Jin, Zhi-Ping,Wei, Da-Ming. IS THE LINE-LIKE OPTICAL AFTERGLOW SED OF GRB 050709 DUE TO A FLARE?[J]. ASTROPHYSICAL JOURNAL,2016,833(2):5.
APA Liu, Cong,Jin, Zhi-Ping,&Wei, Da-Ming.(2016).IS THE LINE-LIKE OPTICAL AFTERGLOW SED OF GRB 050709 DUE TO A FLARE?.ASTROPHYSICAL JOURNAL,833(2),5.
MLA Liu, Cong,et al."IS THE LINE-LIKE OPTICAL AFTERGLOW SED OF GRB 050709 DUE TO A FLARE?".ASTROPHYSICAL JOURNAL 833.2(2016):5.
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