An estimation of the plasma parameters in the solar corona using quasi-periodic metric type III radio burst emission

Details An estimation of the plasma parameters in the solar corona using quasi-periodic metric type III radio burst emission An estimation of the plasma parameters in the solar corona using quasi-periodic metric type III radio burst emission

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...431..353r&link_type=abstract

Astronomy and Astrophysics, v.431, p.353-357 (2005)

Astronomy and Astrophysics

Astrophysics

2

Sun: Activity, Sun: Flares, Sun: Oscillations, Sun: Radio Radiation

Scientific paper

We report radio observations of quasi-periodic type III burst emission from the solar corona in close association with the 2B/X2.8 flare of December 11, 2001 at two frequencies (151.5 and 109 MHz). The measured mean period was ≈11.6 s. We attempted to infer the plasma parameters of the region where the electron beams responsible for the observed type III emission were accelerated/injected using our data, and the values are the following: the Alfvén speed (vA) = 873± 427 km s-1; the electron density (Ne) ≈ 3.09 × 109 cm-3; the magnetic field strength (B) = 22 ± 11 G.

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