Search for TeV gamma rays from SN 1987A during December 1987 and January 1988

Details Search for TeV gamma rays from SN 1987A during December 1987 and January 1988 Search for TeV gamma rays from SN 1987A during December 1987 and January 1988

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvl..61.2292b&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 61, Nov. 14, 1988, p. 2292-2295. Research supported by the Inamori Foundation, In

Astronomy and Astrophysics

Astronomy

27

Gamma Ray Astronomy, Magellanic Clouds, Neutron Stars, Supernova 1987A, Monte Carlo Method, Particle Acceleration, Phototubes, Stellar Envelopes

Scientific paper

Very high-energy γ rays emitted by the supernova 1987A were searched for at the Black Birch Range in New Zealand during December 1987 and January 1988. Data obtained in 42 hours of observation time give an upper bound on the flux of 6.1×10-12cm-2s-1 for γ rays with energies above 3 TeV. Data obtained on 14 and 15 January are found to have excess counts, above the background level, corresponding to a flux of (1.9±0.5)×10-11cm-2s-1 and a total energy of ≡1043ergs.

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