Gamma ray burst size-frequency distributions: Spectral selection effects

Details Gamma ray burst size-frequency distributions: Spectral selection effects Gamma ray burst size-frequency distributions: Spectral selection effects

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....1...37h&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 1 p 37-40 (SEE N85-33902 22-93)

Astronomy and Astrophysics

Astronomy

Detection, Energy Spectra, Frequency Distribution, Gamma Ray Bursts, Radiation Sources, Gamma Ray Astronomy, Photons, Temperature, Variations

Scientific paper

The effects of spectral variation on the detection of gamma ray bursts were investigated. Selection biases resulting from these effects can account for the reported deviation of the observed size-frequency distribution in peak energy flux from that expected for a simple uniform distribution of sources. Thus these observations as yet provide no clear evidence for structure in the burst source distribution. Because of selection biases, the intrinsic average temperature of the bursts is much harder (kT approximately MeV) than the observed average (approximately 200 KeV).

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