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Bright X-ray Flares in Gamma-Ray Burst Afterglows

Burrows, D. N. and Fox, D. (2005) Bright X-ray Flares in Gamma-Ray Burst Afterglows. Science, 309 (5742). pp. 1833-1835. ISSN 0036-8075. doi:10.1126/science.1116168. https://resolver.caltech.edu/CaltechAUTHORS:20141121-101722140

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Abstract

Gamma-ray burst (GRB) afterglows have provided important clues to the nature of these massive explosive events, providing direct information on the nearby environment and indirect information on the central engine that powers the burst. We report the discovery of two bright x-ray flares in GRB afterglows, including a giant flare comparable in total energy to the burst itself, each peaking minutes after the burst. These strong, rapid x-ray flares imply that the central engines of the bursts have long periods of activity, with strong internal shocks continuing for hundreds of seconds after the gamma-ray emission has ended.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.1116168DOIArticle
http://www.sciencemag.org/content/309/5742/1833PublisherArticle
http://www.sciencemag.org/content/309/5742/1833/suppl/DC1PublisherSupporting Online Material
ORCID:
AuthorORCID
Fox, D.0000-0002-3714-672X
Additional Information:© 2005 American Association for the Advancement of Science. Received 15 June 2005; accepted 29 July 2005; Published online 18 August 2005. This letter is based on observations with the NASA Swift gamma-ray burst Explorer. We thank the Swift operations team for their support. The authors acknowledge support from NASA in the United States, ASI in Italy, and Particle Physics and Astronomy Research Council. in the UK.
Funders:
Funding AgencyGrant Number
NASAUNSPECIFIED
ASI (Italy)UNSPECIFIED
Particle Physics and Astronomy Research Council (PPARC)UNSPECIFIED
Issue or Number:5742
DOI:10.1126/science.1116168
Record Number:CaltechAUTHORS:20141121-101722140
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141121-101722140
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52038
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Nov 2014 20:50
Last Modified:10 Nov 2021 19:19

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