Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.266..430a&link_type=abstract
Nature, vol. 266, Mar. 31, 1977, p. 430, 431. NASA-supported research.
Astronomy and Astrophysics
Astronomy
1
Binary Stars, Radio Sources (Astronomy), Synchrotron Radiation, X Ray Sources, Astronomical Models, Compton Effect, Electron Scattering, Energy Spectra, Light Scattering, Lines Of Force, Magnetic Field Configurations, Mathematical Models, Radiant Flux Density, Stellar Luminosity, Stellar Magnetic Fields
Scientific paper
The radio emission from Beta Persei is interpreted as synchrotron emission, and it is suggested that the observed X-ray emission is due to inverse Compton scattering of light from the primary star by the radio electrons. Annihilation of rotationally twisted magnetic-field lines connecting the binary stars is assumed to be the energy source for the electrons. This model is used to calculate the X-ray emission expected from Beta Persei as well as from the other radio binaries CC Cas, AR Lac, Beta Lyr, b Per, and Cyg X-1. Good agreement between observed and computed fluxes is found for Beta Persei, but the result for Cyg X-1 clearly indicates a different X-ray-emitting process.
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