Copertina

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Dettagli Bibliografici
Autori principali: Mereminskiy, I. A., Lutovinov, A. A., Postnov, K. A., Arefiev, V. A., Lapshov, I. Yu., Molkov, S. V., Sazonov, S. Yu., Semena, A. N., Tkachenko, A. Yu., Shtykovsky, A. E., Liu, Z., Wilms, J., Rau, A., Dauser, T., Kreykenbohm, I.
Natura: Preprint
Pubblicazione: 2022
Soggetti:
High Energy Astrophysical Phenomena
Accesso online:https://arxiv.org/abs/2209.00716
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Sommario:
  • Close binary systems consisting of two neutron stars (BNS) emit gravitational waves, that allow them to merge on timescales shorter than Hubble time. It is widely believed, that NS-NS mergers in such systems power short gamma-ray bursts (GRB). Several mechanisms which could lead to electromagnetic energy release prior to a merger have been proposed. We estimate the ability to observe the possible pre-burst emission with telescopes of Spectrum-Roentgen-Gamma. We also investigate first such event, GRB210919A, which fell into the field of view of the SRG telescopes less than two days before the burst.

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