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Hunting the gamma-ray emission from Fast Radio Burst with Fermi-LAT

PRINCIPE, Giacomo
•
Omodei, Nicola
•
Longo, Francesco
altro
Fermi-LAT Collaboration
2022
  • conference object

Abstract
Fast radio bursts (FRBs) are one of the most exciting new mysteries of astrophysics. Their origin is still unknown, but recent observations seems to link them to Soft Gamma Repeaters and, in particular, to magnetar giant flares (MGFs). The recent detection of a MGF at GeV energies by the \textit{Fermi} Large Area Telescope (LAT) motivated the search for GeV counterparts to the >100 currently known FRBs. Taking advantage of more than 12 years of \textit{Fermi}-LAT data, we perform a search for gamma-ray emission from all the reported repeating and non-repeating FRBs. We analyse on different-time scales the \textit{Fermi}-LAT data of each individual source separately, including a cumulative analysis on the repeating ones. In addition, we perform the first stacking analysis at GeV energies of this class of sources in order to constrain the gamma-ray properties of the FRBs that are undetected at high energies. The stacking analysis is a powerful method that allow a possible detection from below-threshold FRBs providing important information on these objects. In this talk we present the preliminary results of our study and we discuss their implications for the predictions of gamma-ray emission from this class of sources
WOS
WOS:001070848605020
Archivio
https://hdl.handle.net/11368/3096853
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85143810171
https://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=395
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by-nc-nd/4.0/
FVG url
https://arts.units.it/bitstream/11368/3096853/1/Hunting the gamma-ray emission from Fast Radio Burst with Fermi-LAT.pdf
Soggetti
  • Astrophysics - High E...

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