Physics – Nuclear Physics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nuphs..14..188b&link_type=abstract
Nuclear Physics B Proceedings Supplements, Volume 14, Issue 1, p. 188-190.
Physics
Nuclear Physics
Scientific paper
A search for 400 GeV gamma rays from SN 1987a has been conducted using the Narrabri gamma ray telescope, starting with a fortuitous observation within 5 hours of the core collapse in 1987 February. A more extensive program of observations up to 1988 April has been reported by us1. A luminosity limit of 4 × 1038 erg s-1 (significant at the 3 SD level) was obtained for the emission of gamma rays of energy > 400 GeV immediately following the collapse. Subsequent observations throughout 1987 indicate continued validity of this limit. In 1988 January-February, as the possibility of the penetration of VHE gamma rays increased, a series of observations provided a limit to the luminosity of 7×1037 erg s-1. We here report the results of continuing observations up to 1989 May.
Brazier K. T. S.
Carraminana Alberto
Chadwick Paula M.
Dipper Nigel A.
Lincoln E. W.
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