Search for GeV Counterparts to Fast Radio Bursts with Fermi

The non-repeating fast radio bursts (FRBs) could arise from catastrophic stellar explosions or magnetar giant flares, so relativistic blast waves might be produced in these events. Motivated by this, we search here for GeV counterparts to all non-repeating FRBs with the Fermi Large Area Telescope (L...

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Veröffentlicht in:Astrophysical journal. Letters 2017-06, Vol.842 (1), p.L8
Hauptverfasser: Xi, Shao-Qiang, Tam, Pak-Hin Thomas, Peng, Fang-Kun, Wang, Xiang-Yu
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Sprache:eng
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Zusammenfassung:The non-repeating fast radio bursts (FRBs) could arise from catastrophic stellar explosions or magnetar giant flares, so relativistic blast waves might be produced in these events. Motivated by this, we search here for GeV counterparts to all non-repeating FRBs with the Fermi Large Area Telescope (LAT), including FRB 131104 that is claimed to be possibly associated with a γ-ray transient candidate detected by the Swift Burst Alert Telescope. FRB 131104 enters the field of view of LAT after the burst time, so we are only able to search for the GeV afterglow emission during this period, but no significant GeV emission is detected. we also perform a search for GeV emissions from other FRBs, but no significant GeV emissions are detected either. Upper limit fluences in the range of are obtained, and then the upper limits of the isotropic blast-wave kinetic energy of about are inferred under certain assumptions. Although the current limits on the isotropic blast-wave energy are not sufficiently stringent to rule out the connection between FRBs and GRB-like transients, future more sensitive observations with Fermi or Imaging Atmospheric Cherenkov Telescopes might be able to constrain the connection.
ISSN:2041-8205
2041-8213
DOI:10.3847/2041-8213/aa74cf