Early Optical Brightening in GRB 071010B
Author(s) -
J.-H. Wang,
Megan E. Schwamb,
K. Y. Huang,
Chih-Yi Wen,
Z. W. Zhang,
ShiangYu Wang,
W. P. Chen,
Federica Bianco,
R. Dave,
M. J. Lehner,
S. L. Marshall,
R. Porrata,
Charles Alcock,
Y.I. Byun,
K. H. Cook,
S.K. King,
T. Lee,
Y. Urata
Publication year - 2008
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/588814
Subject(s) - physics , gamma ray burst , afterglow , astrophysics , light curve , wavelength , astronomy , optics
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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