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Localization of Gam...
Localization of Gamma-Ray Bursts Using the Fermi Gamma-Ray Burst Monitor
- Article/chapterEnglish2015
Publisher, publication year, extent ...
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2015-02-10
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Institute of Physics Publishing (IOPP),2015
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-184444
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-184444URI
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https://doi.org/10.1088/0067-0049/216/2/32DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20160408
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The Fermi Gamma-ray Burst Monitor (GBM) has detected over 1400 gamma-ray bursts (GRBs) since it began science operations in 2008 July. We use a subset of over 300 GRBs localized by instruments such as Swift, the Fermi Large Area Telescope, INTEGRAL, and MAXI, or through triangulations from the InterPlanetary Network, to analyze the accuracy of GBM GRB localizations. We find that the reported statistical uncertainties on GBM localizations, which can be as small as 1°, underestimate the distance of the GBM positions to the true GRB locations and we attribute this to systematic uncertainties. The distribution of systematic uncertainties is well represented (68% confidence level) by a 3.°7 Gaussian with a non-Gaussian tail that contains about 10% of GBM-detected GRBs and extends to approximately 14°. A more complex model suggests that there is a dependence of the systematic uncertainty on the position of the GRB in spacecraft coordinates, with GRBs in the quadrants on the Y axis better localized than those on the X axis.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Briggs, M S
(author)
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Goldstein, A
(author)
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Meegan, C A
(author)
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Paciesas, W S
(author)
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Preece, R D
(author)
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Wilson-Hodge, C A
(author)
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Gibby, M H
(author)
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Greiner, J
(author)
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Gruber, D
(author)
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Jenke, P
(author)
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Kippen, R M
(author)
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Pelassa, V
(author)
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Xiong, S
(author)
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Yu, H F
(author)
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Bhat, P N
(author)
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Burgess, J. MichaelCSPAR and Physics Department, University of Alabama in Huntsville, USA(Swepub:kth)u17fidqd
(author)
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Byrne, D
(author)
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Fitzpatrick, G
(author)
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Foley, S
(author)
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Giles, M M
(author)
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Guiriec, S
(author)
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van der Horst, A J
(author)
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Von Kienlin, A
(author)
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McBreen, S
(author)
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McGlynn, S
(author)
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Tierney, D
(author)
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Zhang, B B
(author)
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CSPAR and Physics Department, University of Alabama in Huntsville, USA
(creator_code:org_t)
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In:Astrophysical Journal Supplement Series: Institute of Physics Publishing (IOPP)216:20067-00491538-4365
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- By the author/editor
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Connaughton, V
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Briggs, M S
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Goldstein, A
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Meegan, C A
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Paciesas, W S
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Preece, R D
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Wilson-Hodge, C ...
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Gibby, M H
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Greiner, J
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Gruber, D
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Jenke, P
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Kippen, R M
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Pelassa, V
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Xiong, S
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Yu, H F
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Bhat, P N
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Burgess, J. Mich ...
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Byrne, D
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Fitzpatrick, G
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Foley, S
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Giles, M M
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Guiriec, S
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van der Horst, A ...
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Von Kienlin, A
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McBreen, S
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McGlynn, S
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Tierney, D
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Zhang, B B
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NATURAL SCIENCES
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Royal Institute of Technology