H.E.S.S. found no very high energy gamma-ray counterpart to targeted fast radio bursts, setting 99% confidence upper limits on their luminosity of 10^44 to 10^48 erg/s.
VERITAS Observations of Fast Radio Bursts
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abstract
Fast radio bursts (FRBs) are bright, unresolved, millisecond-duration flashes of radio emission originating from outside of the Milky Way. The source of these mysterious outbursts is unknown, but their high luminosity, high dispersion measure and short duration requires an extreme, high-energy, astrophysical process. The majority of FRBs have been discovered as single events which would require a chance coincidence for contemporaneous multiwavelength observations. However, two have been observed to repeat: FRB 121102 and the recently detected FRB 180814.J0422+73. These repeating FRBs have allowed for targeted observations by a number of different instruments, including VERITAS. We present the VERITAS FRB observing program and the results of these observations.
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H.E.S.S. programme searching for VHE gamma rays associated with FRBs
H.E.S.S. found no very high energy gamma-ray counterpart to targeted fast radio bursts, setting 99% confidence upper limits on their luminosity of 10^44 to 10^48 erg/s.