Scientific prospects for spectroscopy of the gamma-ray burst prompt emission with SVOM
Journal
Date Issued
2017
Author(s)
•
•
Sizun, P.
•
Piron, F.
•
Dong, Y.
•
Atteia, J. -L.
•
Antier, S.
•
Daigne, F.
•
Godet, O.
•
Cordier, B.
•
Wei, J.
Abstract
SVOM (Space-based multi-band astronomical Variable Objects Monitor) is a Sino-French space mission dedicated to the study of Gamma-Ray Bursts (GRBs) in the next decade, capable to detect and localise the GRB emission, and to follow its evolution in the high-energy and X-ray domains, and in the visible and NIR bands. The satellite carries two wide-field high-energy instruments: a coded-mask gamma-ray imager (ECLAIRs; 4-150 keV), and a gamma-ray spectrometer (GRM; 15-5500 keV) that, together, will characterise the GRB prompt emission spectrum over a wide energy range. In this paper we describe the performances of the ECLAIRs and GRM system with different populations of GRBs from existing catalogues, from the classical ones to those with a possible thermal component superimposed to their non-thermal emission. The combination of ECLAIRs and the GRM will provide new insights also on other GRB properties, as for example the spectral characterisation of the subclass of short GRBs showing an extended emission after the initial spike.
Volume
44
Issue
1
Start page
113
Issn Identifier
0922-6435
Ads BibCode
2017ExA....44..113B
Rights
open.access
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