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Title: Swift and Fermi observations of the early afterglow of the short gamma-ray burst 090510

Abstract

Here, we present the observations of GRB090510 performed by the Fermi Gamma-Ray Space Telescope and the Swift observatory. In a GeV range, we detected a bright, short burst that shows an extended emission. Furthermore, its optical emission initially rises, a feature so far observed only in long bursts, while the X-ray flux shows an initial shallow decrease, followed by a steeper decay. This exceptional behavior enables us to investigate the physical properties of the gamma-ray burst outflow, poorly known in short bursts. Here, we discuss internal and external shock models for the broadband energy emission of this object.

Authors:
 [1]
  1. Univ. College London (UCL), Surrey (United Kingdom). Mullard Space Science Lab. (MSSL); et al.
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
Fermi LAT Collaboration
OSTI Identifier:
1357586
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Astrophysical Journal Letters
Additional Journal Information:
Journal Volume: 709; Journal Issue: 2; Journal ID: ISSN 2041-8205
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; gamma-ray burst: individual (GRB090510); relativistic processes; shock waves

Citation Formats

De Pasquale, M. Swift and Fermi observations of the early afterglow of the short gamma-ray burst 090510. United States: N. p., 2010. Web. doi:10.1088/2041-8205/709/2/L146.
De Pasquale, M. Swift and Fermi observations of the early afterglow of the short gamma-ray burst 090510. United States. doi:10.1088/2041-8205/709/2/L146.
De Pasquale, M. Thu . "Swift and Fermi observations of the early afterglow of the short gamma-ray burst 090510". United States. doi:10.1088/2041-8205/709/2/L146. https://www.osti.gov/servlets/purl/1357586.
@article{osti_1357586,
title = {Swift and Fermi observations of the early afterglow of the short gamma-ray burst 090510},
author = {De Pasquale, M.},
abstractNote = {Here, we present the observations of GRB090510 performed by the Fermi Gamma-Ray Space Telescope and the Swift observatory. In a GeV range, we detected a bright, short burst that shows an extended emission. Furthermore, its optical emission initially rises, a feature so far observed only in long bursts, while the X-ray flux shows an initial shallow decrease, followed by a steeper decay. This exceptional behavior enables us to investigate the physical properties of the gamma-ray burst outflow, poorly known in short bursts. Here, we discuss internal and external shock models for the broadband energy emission of this object.},
doi = {10.1088/2041-8205/709/2/L146},
journal = {Astrophysical Journal Letters},
number = 2,
volume = 709,
place = {United States},
year = {2010},
month = {1}
}

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Cited by: 101 works
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