Search of Gamma Ray Burst detected by GBM alike to GRB170817A
R. Sacahui*, M. González, Y.F. Pérez and N. Fraija
July 07, 2021
March 18, 2022
Since the detection of Gravitational Waves (GW), a new window of multi-messenger astronomy was opened. The first GW event with an electromagnetic counterpart was GRB 170817A, an under luminous burst with properties of a short burst that was detected by Fermi-GBM, among other observatories. This burst revealed two different spectral components in the Fermi-GBM energy range, a short-lasting non-thermal pulse at early times followed by a soft thermal component. Previous studies have identified bursts based on these spectral and temporal features similar to the ones of GRB 170817A. In this work, we extend the search for short bursts alike GRB 170817A in the northern sky detected from 2018 to 2020. The initial search, based on temporal restrictions, gives 56 possible candidates. From these, only two bursts were consistent with the spectral behavior. Here we report the spectral features of those two objects.
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