Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010bcrao.106...26i&link_type=abstract
Bulletin of the Crimean Astrophysical Observatory, Volume 106, Issue 1, pp.26-30
Astronomy and Astrophysics
Astrophysics
Sun, Proton Events, Radio Bursts
Scientific paper
We present results suggesting that the accuracy of estimating the solar cosmic-ray (SCR) proton flux from μ-burst parameters is much higher for proton events characterized by a low level of post-burst increase (PBI) in the μ-burst flux, a powerful decametric (DCM) component, and a small time shift (Δ t < 9 min) of the DCM burst maximum relative to the μ-burst maximum. These three parameters are probably related between themselves, since events characterized by a small Δ t have a very low PBI level. We show that the accuracy of estimating the proton flux depends to a greater extent on Δ t than on the intensity of the DCM component. For approximately half of the events from the investigated sample, the accuracy of estimating the proton flux approaches the maximum possible accuracy from μ-burst parameters.
Isaeva E. A.
Melnikov Victor F.
Tsvetkov L. I.
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