Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976acasn..17...34q&link_type=abstract
Acta Astronomica Sinica, vol. 17, June 1976, p. 34-40. In Chinese, with abstract in English.
Astronomy and Astrophysics
Astronomy
Cosmic X Rays, Energy Spectra, Flared Bodies, Gamma Rays, High Energy Electrons, Stellar Models, Bursts, Relativistic Particles, Variable Stars, White Dwarf Stars
Scientific paper
A model for cosmic gamma-ray bursts is proposed, in which the cosmic gamma-ray burst is seen to be analogous to a solar flare, only more drastic in scale. The magnetic energy stored in the stellar 'superflare' is converted into kinetic energy of electrons during the burst. A great number of relativistic electrons rush out from the superflare in a very short time. Inverse-Compton photons are produced in the collision between these relativistic electrons and the ambient photons emitted from the stellar photosphere, producing the gamma-ray burst event. Time structure and energy spectrum of a cosmic ray burst were deduced on the basis of this model, and were applied to the event of April 27, 1972. Calculations show that a superflare in a magnetic white dwarf may be the source of the cosmic gamma-ray burst.
Qu Qin-Yue
Wang Zhen-Ru
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