A search for ultra-high energy gamma-rays from the supernova 1987A

Details A search for ultra-high energy gamma-rays from the supernova 1987A A search for ultra-high energy gamma-rays from the supernova 1987A

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mmkyo..37...71m&link_type=abstract

Kyoto University, Faculty of Science, Memoirs, Series of Physics, Astrophysics, Geophysics and Chemistry (ISSN 0368-9689), vol.

Astronomy and Astrophysics

Astronomy

Galactic Cosmic Rays, Gamma Ray Astronomy, Gamma Ray Spectra, Supernova 1987A, Cosmic Ray Showers, Luminosity, Radiation Distribution, Scintillation Counters, Supernovae, X Ray Binaries, X Ray Sources

Scientific paper

A search for ultrahigh-energy gamma-rays emitted by the supernova 1987A was conducted with a new cosmic-ray facility installed at the Black Birch Range in New Zealand. The observaions from October 13 to December 3 suggest no clear clustering of events around the direction of the supernova. It is concluded that the upper limit on the flux of gamma-rays of energies is greater than 100 TeV is 1.1 x 10 to the-12th/sq cm s for a differential spectral index, alpha = 2.0 and source distance d = 50 kpc.

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