Publicación:
Search for gamma-ray counterparts of newly discovered radio astrophysical sources

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dc.contributor.author Best S. es_PE
dc.contributor.author Bazo Alba J.L. es_PE
dc.date.accessioned 2024-05-30T23:13:38Z
dc.date.available 2024-05-30T23:13:38Z
dc.date.issued 2019
dc.description.abstract In this paper we study two newly discovered classes of radio sources: the highly energetic, short-lived events, known as Fast Radio Bursts (FRBs), and a new category of compact sources known as Fanaroff-Riley type 0 radio galaxies (FR0s). Due to a possible catastrophic event origin for the FRBs and a previous correlation found with an FR0 in the gamma ray spectrum, it is possible that these radio sources could also emit high energy photons in the Fermi-LAT satellite energy range (20 MeV - 300GeV). Here we present an exhaustive time-dependent and spatial search of all up-to-date observed FRBs and FR0s, respectively. We perform a likelihood analysis of the radio sources by modeling the excess flux of gamma rays with a varying index power law function using data from Fermi-LAT and the 4FGL catalog. Sources with test statistic greater than 16 (corresponding to about 4{\sigma}) were further analyzed including 2 FRBs and 7 FR0s. No correlations with more than 5{\sigma} were found after taking into account nearby sources. Therefore, upper limits for all sources were calculated
dc.description.sponsorship Fondo Nacional de Desarrollo Científico y Tecnológico - Fondecyt
dc.identifier.doi https://doi.org/10.22323/1.358.0553
dc.identifier.scopus 2-s2.0-85127466653
dc.identifier.uri https://hdl.handle.net/20.500.12390/2750
dc.language.iso eng
dc.publisher Sissa Medialab Srl
dc.relation.ispartof Proceedings of Science
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject Radio astronomy
dc.subject Cosmic rays es_PE
dc.subject Cosmology es_PE
dc.subject Galaxies es_PE
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#1.03.08
dc.title Search for gamma-ray counterparts of newly discovered radio astrophysical sources
dc.type info:eu-repo/semantics/article
dspace.entity.type Publication
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