Hunting the gamma-ray emission from Fast Radio Burst with Fermi-LAT
Fast radio bursts (FRBs) are one of the most exciting new mysteries of astrophysics. Their origin is still unknown, but recent observations seem 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 Fermi Large...
Gespeichert in:
Hauptverfasser: | , , , , |
---|---|
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Fast radio bursts (FRBs) are one of the most exciting new mysteries of
astrophysics. Their origin is still unknown, but recent observations seem 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 Fermi Large Area
Telescope (LAT) motivated the search for GeV counterparts to the >100 currently
known FRBs. To date, none of these has a known gamma-ray counterpart. Taking
advantage of more than 12 years of Fermi-LAT data, we perform a search for
gamma-ray emission from almost all the reported repeating and non-repeating
FRBs. We analyze on different time scales the Fermi-LAT data for each
individual source separately and perform 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. The stacking analysis is a powerful method that allows for a possible
detection from below-threshold FRBs providing important information on these
objects. In this proceeding we present preliminary results of our study and we
discuss their implications for the predictions of gamma-ray emission from this
class of sources. |
---|---|
DOI: | 10.48550/arxiv.2301.06464 |