Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18...95b&link_type=abstract
Soviet Astronomy Letters, Vol. 18, p. 95; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 3, March 1992, p. 234
Astronomy and Astrophysics
Astronomy
10
B Stars, Electromagnetic Radiation, O Stars, Particle Acceleration, Stellar Winds, Supernovae, Charged Particles, Cosmic Rays, Plasma Bubbles, Stellar Evolution
Scientific paper
The acceleration of charged particles in regions with powerful energy release in the form of stellar winds and shock waves from multiple supernova explosions is investigated. The existence of intense hydrodynamic motions including an ensemble of discontinuities is shown to form a rigid spectrum of low-energy cosmic rays (CR); the CR energy density reaches a substantial fraction of the system's free energy. From an analysis of radio data on the appropriate objects it is concluded that the electron injection rate is suppressed significantly as compared with a single supernova remnant. The existence of accelerated particles in the system results in the generation of hard X-ray and gamma-radiation whose intensity is shown to be sufficient to observe galactic objects of the type under consideration.
Bykov Andrei M.
Fleishman Gregory D.
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