First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst HESS observations of FRB 150418

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dc.contributor.author Colafrancesco, S.
dc.contributor.author Jingo, M.
dc.contributor.author Shafi, N.
dc.contributor.author Abdalla, H.
dc.contributor.author Abramowski, A.
dc.contributor.author Aharonian, F.
dc.contributor.author Ait Benkhali, F.
dc.contributor.author Akhperjanian, A. G.
dc.contributor.author Andersson, T.
dc.contributor.author Angüner, E. O.
dc.contributor.author Arakawa, M.
dc.contributor.author Arrieta, M.
dc.contributor.author Aubert, P.
dc.contributor.author Backes, M.
dc.contributor.author Balzer, A.
dc.contributor.author Barnard, M.
dc.contributor.author Chen, A.
dc.contributor.author Jingo, M.
dc.contributor.author Komin, N.
dc.contributor.author Shafi, N.
dc.date.accessioned 2019-09-18T10:03:37Z
dc.date.available 2019-09-18T10:03:37Z
dc.date.issued 2017-01-01
dc.identifier.citation Abdalla, H. et al. 2017. First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst - HESS observations of FRB 150418. ASTRONOMY & ASTROPHYSICS 597, Article number A115. en_ZA
dc.identifier.issn 0004-6361 (Print)
dc.identifier.issn 1432-0746 (Online)
dc.identifier.uri https://hdl.handle.net/10539/28121
dc.description.abstract Aims. Following the detection of the fast radio burst FRB150418 by the SUPERB project at the Parkes radio telescope, we aim to search for very-high energy gamma-ray afterglow emission. Methods. Follow-up observations in the very-high energy gamma-ray domain were obtained with the H.E.S.S. imaging atmospheric Cherenkov telescope system within 14.5 h of the radio burst. Results. The obtained 1.4 h of gamma-ray observations are presented and discussed. At the 99% C.L. we obtained an integral upper limit on the gamma-ray flux of Φγ(E > 350 GeV) < 1.33 × 10-8 m-2 s-1. Differential flux upper limits as function of the photon energy were derived and used to constrain the intrinsic high-energy afterglow emission of FRB 150418. Conclusions. No hints for high-energy afterglow emission of FRB 150418 were found. Taking absorption on the extragalactic background light into account and assuming a distance of z = 0.492 based on radio and optical counterpart studies and consistent with the FRB dispersion, we constrain the gamma-ray luminosity at 1 TeV to L < 5.1 × 1047 erg/s at 99% C.L. en_ZA
dc.language.iso en en_ZA
dc.publisher EDP Sciences en_ZA
dc.rights © ESO, 2017. en_ZA
dc.subject Gamma rays: general en_ZA
dc.subject Astroparticle physics en_ZA
dc.subject Tellurium compounds en_ZA
dc.subject Afterglow emission en_ZA
dc.subject Differential flux en_ZA
dc.subject Extragalactic background light en_ZA
dc.subject Gamma-ray observations en_ZA
dc.subject Imaging atmospheric Cherenkov telescopes en_ZA
dc.subject Very high energies en_ZA
dc.subject Gamma rays en_ZA
dc.subject COSMOLOGICAL DISTANCES en_ZA
dc.subject NEUTRON-STARS en_ZA
dc.subject ASTRONOMY en_ZA
dc.subject CATALOG en_ZA
dc.subject GALAXY en_ZA
dc.title First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst HESS observations of FRB 150418 en_ZA
dc.type Article en_ZA
dc.journal.volume 597 en_ZA
dc.journal.title ASTRONOMY & ASTROPHYSICS en_ZA
dc.description.librarian EM2018 en_ZA
dc.citation.doi 10.1051/0004-6361/201629117 en_ZA


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