X-ray emission associated with gamma-ray bursts

Details X-ray emission associated with gamma-ray bursts X-ray emission associated with gamma-ray bursts

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..93...87n&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 93, no. 1, June 1983, p. 87-96.

Astronomy and Astrophysics

Astrophysics

1

Gamma Ray Bursts, X Ray Spectra, Energy Spectra, Gamma Ray Spectra, Neutron Stars, Stellar Atmospheres, Stellar Models

Scientific paper

The energy spectra of gamma-ray bursts differ from those of blackbody radiation and are similar to the thermal bremsstrahlung spectra of an optically thin plasma. This could be realized if the source is located in the outer atmosphere of a neutron star. In this case, almost one half of the emitted photons hit the surface of the star. The surface of the star is heated to a temperature of the order of 10 million K, and a dominant flux of X-rays with a blackbody spectrum would be expected. The X-rays produced by this mechanism are detectable in the energy range from a few keV to 10 keV. This model is discussed in relation to the recent observations in the X-ray region at the time of gamma-ray bursts, and modifications of this model are also presented. The observation in this energy range will bring us valuable information on the nature of gamma-ray burst sources.

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