Observations of Gamma-Ray Bursts of Cosmic Origin

Klebesadel, Ray W.; Strong, Ian B.; Olson, Roy A.

doi:10.1086/181225

Observations of Gamma-Ray Bursts of Cosmic Origin

Jun, 1973

4 pages

Published in:

Astrophys.J.Lett. 182 (1973) L85-L88

DOI:

10.1086/181225

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Abstract: (ADS)

Sixteen short bursts of photons in the energy range O.2-l.S MeV have been observed between 1969 July and 1972 July using widely separated spacecraft. Burst durations ranged from less than 0.1 5 to 30 5, and time-integrated flux densities from 10- ergs cm

^{-2}

to 2 X 10- ergs cm

^{-2}

in the energy range given. Significant time structure within bursts was observed. Directional information eliminates the Earth and Sun as sources.

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