Can flare stars be the source of galactic cosmic rays

Details Can flare stars be the source of galactic cosmic rays Can flare stars be the source of galactic cosmic rays

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...234..588m&link_type=abstract

Astrophysical Journal, Part 1, vol. 234, Dec. 1, 1979, p. 588-596.

Astronomy and Astrophysics

Astrophysics

7

Cosmic Rays, Flare Stars, Galactic Radiation, Particle Flux Density, Particle Acceleration, Proton Energy, Statistical Tests

Scientific paper

Lovell has proposed that flare stars may provide a substantial contribution to the energy in galactic cosmic rays (GCR). Here his arguments are reexamined, taking into account recent improvements in stellar statistical data and in our understanding of the processes involved in acceleration of protons in association with solar flares. It is found that flare stars contribute no more than 0.0002 of the GCR energy. A result of this order had previously been derived by Edwards and McQueen on the basis of scaling X-ray fluxes and energetic particle fluxes in solar flares; however, the present work is not subject to the uncertainties associated with X-ray and particle flux scaling.

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