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A Study of GRBs with Low-luminosity Afterglows
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- Begue, Dereli (author)
- KTH,Partikel- och astropartikelfysik
- Boer, M. (author)
- Gendre, B. (author)
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- Amati, L. (author)
- Dichiara, S. (author)
- Orange, N. B. (author)
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- (creator_code:org_t)
- 2017-11-22
- 2017
- English.
- In: Astrophysical Journal. - : Institute of Physics Publishing (IOPP). - 0004-637X .- 1538-4357. ; 850:2
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We present a sample composed of the 41 faintest X-ray afterglows of the population of long gamma-ray bursts (lGRBs) with known redshift. We study their intrinsic properties (spectral index, decay index, distance, luminosity, isotropic radiated energy, and peak energy) and their luminosity distribution functions to assess whether they belong to the same population as the brighter afterglow events. We find that these events belong to a population of nearby ones, different from the general population of lGRBs. In addition, these events are faint during their prompt phase, and include the few possible outliers of the Amati relation.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gamma-ray burst: general
- methods: data analysis
- X-rays: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Begue, Dereli
- Boer, M.
- Gendre, B.
- Amati, L.
- Dichiara, S.
- Orange, N. B.
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- Royal Institute of Technology
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