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Early optical brightening in GRB 071010B

Wang, J. H. and Schwamb, M. E. and Huang, K. Y. and Wen, C. Y. and Zhang, Z. W. and Wang, S. Y. and Chen, W. P. and Bianco, F. B. and Dave, R. and Lehner, M. J. and Marshall, S. L. and Porrata, R. and Alcock, C. and Byun, Y. I. and Cook, K. H. and King, S. K. and Lee, T. and Urata, Y. (2008) Early optical brightening in GRB 071010B. Astrophysical Journal Letters, 679 (1). L5-L8. ISSN 2041-8205. doi:10.1086/588814.

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We report the detection of early (60-230 s) optical emission of the gamma-ray burst afterglow of GRB 071010B. No significant correlation with the prompt γ-ray emission was found. Our high time resolution data combining with other measurements within 2 days after the burst indicate that GRB 071010B is composed of a weak early brightening (α ~ 0.6), probably caused by the peak frequency passing through the optical wavelengths, followed by a decay (α ~ − 0.51), attributed to continuous energy injection by patchy jets.

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Bianco, F. B.0000-0003-1953-8727
Additional Information:© 2008 The American Astronomical Society. Received 2008 March 7; accepted 2008 April 7; published 2008 April 24. Print publication: Issue 1 (2008 May 20). We acknowledge the use of public data from the Swift data archive and C. Markwardt for discussions. Work at NCU was supported by the grant NSC 96-2112-M-008-024-MY3. Work at the CfA was supported in part by the NSF under grant AST 05-01681 and by NASA under grant NNG04G113G. Work at ASIAA was supported in part by the thematic research program AS-88-TP-A02 and Acdemia Sinica. Work at Yonsei was supported by Korea Astronomy and Space Science Institute. Work at LLNL was performed under the auspices of the US DOE in part under contract W-7405-Eng-48 and contract DE-AC52- 07NA27344. Work at SLAC was performed under US DOE contract DE-AC02-76SF00515.
Funding AgencyGrant Number
NSFAST 05-01681
Korea Astronomy and Space Science InstituteUNSPECIFIED
Department of EnergyW-7405-Eng-48
Department of EnergyDE-AC52-07NA27344
Department of EnergyDE-AC02-76SF00515
Academia SinicaAS-88-TP-A02
Subject Keywords:gamma rays: bursts; gamma rays: observations
Issue or Number:1
Record Number:CaltechAUTHORS:20090504-152310627
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14155
Deposited By: Tony Diaz
Deposited On:17 Aug 2009 17:53
Last Modified:08 Nov 2021 22:43

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