Energetic Fermi/LAT GRB100414A: Energetic and correlations

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题名:	Energetic Fermi/LAT GRB100414A: Energetic and correlations
作者:	浦田裕次;Urata, Yuji;Huang, Kuiyun;Yamaoka, Kazutaka;Tsai, Patrick P.;Tashiro, Makoto S.
贡献者:	理學院天文研究所
关键词:	AFTERGLOW;Afterglows;Astronomy;ASTROPHYSICS;ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;Breaking;Correlation;CORRELATIONS;COSMIC GAMMA BURSTS;COSMIC PHOTONS;DIAGRAMS;Earth, ocean, space;Exact sciences and technology;GAMMA ASTRONOMY;Gamma ray bursts;GEV RANGE;INDEXES;JETS;KEV RANGE;Light curve;Spectra;SUPERNOVAE;Temporal logic;Texts;VISIBLE RADIATION;WAVELENGTHS
日期:	2012-03-20
上传时间:	2026-04-21 14:12:39 (UTC+8)
出版者:	IOP Publishing Ltd.;Bristol: IOP
摘要:	摘要： (ProQuest: ... denotes formulae and/or non-USASCII text omitted) This study presents multi-wavelength observational results for energetic GRB 100414A with GeV photons. The prompt spectral fitting using Suzaku/WAM data yielded spectral peak energies of ... of ... keV and E sub(iso) of ... x 10 super(52) erg with z = 1.368. The optical afterglow light curves between 3 and 7 days were effectively fitted according to a simple power law with a temporal index of alpha = -2.6 + or - 0.1. The joint light curve with earlier Swift/UVOT observations yields a temporal break at 2.3 + or - 0.2 days. This was the first Fermi/LAT detected event that demonstrated the clear temporal break in the optical afterglow. The jet opening angle derived from this temporal break was 5[degrees].8, consistent with those of other well-observed long gamma-ray bursts (GRBs). The multi-wavelength analyses in this study showed that GRB 100414A follows ... and ... correlations. The late afterglow revealed a flatter evolution with significant excesses at 27.2 days. The most straightforward explanation for the excess is that GRB 100414A was accompanied by a contemporaneous supernova. The model light curve based on other GRB-SN events is marginally consistent with that of the observed light curve. 出版者： Bristol: IOP 出版日期： 2012-03-20 出處： Astrophysical journal. Letters, 2012-03, Vol.748 (1), p.L4-5 資源來源： Institute of Physics Journals 版權： 2015 INIST-CNRS 識別號： ISSN: 0004-637X 識別號： ISSN: 2041-8205 識別號： ISSN: 2041-8213 識別號： EISSN: 2041-8213 識別號： DOI: 10.1088/2041-8205/748/1/L4 識別號： CODEN: ASJOAB
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