Interpretation of the size spectrum of cosmic gamma-ray bursts in terms of an idealized galactic distribution of sources

Details Interpretation of the size spectrum of cosmic gamma-ray bursts in terms of an idealized galactic distribution of sources Interpretation of the size spectrum of cosmic gamma-ray bursts in terms of an idealized galactic distribution of sources

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aujph..31..189y&link_type=abstract

Australian Journal of Physics, vol. 31, May 1978, p. 189-194.

Astronomy and Astrophysics

Astronomy

11

Cosmic Rays, Galactic Radiation, Gamma Ray Astronomy, Distribution (Property), Rocket-Borne Instruments, Satellite Observation, Spectrum Analysis

Scientific paper

A model for the size spectrum of cosmic gamma-ray bursts is derived on the assumption that the sources of these bursts are distributed uniformly in space out to 0.3 kpc, hence uniformly in a disk (galactic plane) to 3 kpc, and hence uniformly in a line (galactic arm) to 27 kpc. Two forms are assumed for the distribution of the total energy release per burst: a Gaussian with mean s and an exponential with characteristic s(0), such that mean s = s(0) = 10 to the 32nd J. The derived size spectra are in agreement with results obtained from satellite and balloon observations, thus supporting both the galactic origin of the bursts and a representative total energy release for them of 10 to the 32nd J.

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