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The Fermi Gamma-ray Burst Monitor

C. Meegan
•
G. Lichti
•
P. N. Bhat
altro
C. Wilson Hodge
2009
  • journal article

Periodico
THE ASTROPHYSICAL JOURNAL
Abstract
The Gamma-Ray Burst Monitor (GBM) will significantly augment the science return from the Fermi Observatory in the study of gamma-ray bursts (GRBs). The primary objective of GBM is to extend the energy range over which bursts are observed downward from the energy range of the Large Area Telescope (LAT) on Fermi into the hard X-ray range where extensive previous data sets exist. A secondary objective is to compute burst locations onboard to allow re-orienting the spacecraft so that the LAT can observe delayed emission from bright bursts. GBM uses an array of 12 sodium iodide scintillators and two bismuth germanate scintillators to detect gamma rays from similar to 8 keV to similar to 40 MeV over the full unocculted sky. The onboard trigger threshold is similar to 0.7 photons cm(-2) s(-1) (50-300 keV, 1 s peak). GBM generates onboard triggers for similar to 250 GRBs per year.
DOI
10.1088/0004-637X/702/1/791
WOS
WOS:000269244500065
Archivio
http://hdl.handle.net/11368/2749175
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-70450215819
Diritti
metadata only access
Soggetti
  • instrumentation: dete...

  • gamma rays: bursts

Web of Science© citazioni
1059
Data di acquisizione
Mar 26, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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