Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981acasn..22..293q&link_type=abstract
Acta Astronomica Sinica, vol. 22, Sept. 1981, p. 293-298. In Chinese, with abstract in English.
Astronomy and Astrophysics
Astronomy
Astronomical Models, Bremsstrahlung, Cosmic Rays, Energy Spectra, Gamma Ray Astronomy, Relativistic Electron Beams, Bursts, Electron Energy, Light Curve, Neutron Stars, Spaceborne Astronomy, Stellar Gravitation
Scientific paper
The time profiles and energy spectra of a cosmic ray event of March 5, 1979 are used to develop a morphological model of the initiating event. A thermal bremmstrahlung with kT about 50 keV, a bremmstrahlung of relativistic electrons with an equivalent Lorentz factor of 3.3, and a broad line at 430 keV were fitted to the energy spectrum. The average spectrum in the pulsating phase was matched to a bremmstrahlung of thermal electrons with kT about 40 keV. The model comprises a sudden influx of matter onto the magnetic poles of a neutron star. The gravitational energy of electrons is transformed into radiation bursts through bremmstrahlung of the electrons. The gravitational energy of protons is initally transformed into radiant heat, and then the radiant region emits in pulsations by bremmstrahlung of thermal electrons.
Li Zhi-Qing
Qu Qin-Yue
Wang Ding Yi
Xu Aiguo
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