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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-4362
DTSTART:20161118T200000Z
DURATION:PT1H0M0S
DTSTAMP:20240319T125857Z
LAST-MODIFIED:20161116T135439Z
LOCATION:5280 Chamberlin Hall
SUMMARY:The Fermi view of Gamma-Ray Bursts & the curious case of GW 15
0914\, NPAC (Nuclear/Particle/Astro/Cosmo) Forum\, Elisabetta Bissaldi
\, Politecnico & INFN Bari
DESCRIPTION:I'll give a brief overview of Gamma-Ray Bursts (GRBs) obse
rvations performed over the past 8 years by the two instruments on-boa
rd the Fermi satellite\, namely the Gamma-Ray Burst Monitor (GBM) and
the Large Area Telescope (LAT).
\nIn this period of time\,
GBM has triggered and located on average approximately two GRBs every
three days. The most recent results are summarized in the latest two
catalogs provided by the Fermi GBM science team\, namely the third GBM
GRB catalog and the first GBM time-resolved spectral catalog.
\nMoreover\, the Fermi LAT science team has been recently perform
ing an extensive search for GRBs at high energies (>100 MeV) featuring
a detection efficiency more than 50% better than previous works\, and
returning more than 130 detections.
\nFinally\, I'll pres
ent the GBM and LAT follow-up of the LIGO Gravitational Wave event GW
150914\, focusing on the GBM detection of a weak transient event\, clo
se in time to the LIGO one. Future joint observations of GW events by
LIGO/Virgo and Fermi could reveal whether the weak transient reported
by GBM is a plausible counterpart to GW150914 or a chance coincidence\
, and will further probe the connection between compact binary mergers
and short GRBs.
URL:https://www.physics.wisc.edu/events/?id=4362
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