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Upper Limits on Gamma-ray Emission from Supernovae Serendipitously Observed with H.E.S.S.

Published online by Cambridge University Press:  17 October 2017

Rachel Simoni ,
Nigel Maxted ,
Mathieu Renaud  and
Jacco Vink
Rachel Simoni
Affiliation:
GRAPPA/Anton Pannekoek Institute, Universiteit van Amsterdam, Postbus 94249, 1090 GE, Amsterdam, the Netherlands email: r.c.simoni@uva.nl
Nigel Maxted
Affiliation:
School of Physics, University of New South Wales, 2052, Sydney, Australia email: n.maxted@unsw.edu.au
Mathieu Renaud
Affiliation:
Laboratoire Univers et Particules, Université Montpellier, 34095, Montpellier, France
Jacco Vink
Affiliation:
GRAPPA/Anton Pannekoek Institute, Universiteit van Amsterdam, Postbus 94249, 1090 GE, Amsterdam, the Netherlands email: r.c.simoni@uva.nl
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Abstract

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It is hypothesized that some young supernovae might have the correct properties to accelerate cosmic rays, which in turn might generate gamma-ray emission by-products. We search for gamma-ray excesses towards supernovae in nearby galaxies which were serendipitously within the field of view of the HESS telescopes within a year of the supernova event. HESS cherenkov air-shower data collected between December 2003 and March 2015 were considered and compared to recent catalogs. Nine candidate supernovae were identified and analysed. No significant emission from these supernovae has been found, and upper limits for their very high energy emission are reported.

Keywords

gamma rays: observationssupernovae: generalcosmic rays
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S331: Supernova 1987A:30 years later - Cosmic Rays and Nuclei from Supernovae and their aftermaths , February 2017 , pp. 325 - 328
Copyright
Copyright © International Astronomical Union 2017 

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