Physics
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sh41b17c&link_type=abstract
American Geophysical Union, Spring Meeting 2001, abstract #SH41B-17
Physics
7519 Flares, 7534 Radio Emissions, 7536 Solar Activity Cycle (2162)
Scientific paper
We present the solar active region microwave emission (S component) intensity and polarization degree variations observed with high sensitivity (0.5 sfu) for the period 1998 - 2000, during the rising phase of the 23th solar cycle. The data were obtained by the patrol Solar Radio Polarimeter operating at 7 GHz at Itapetinga Radio Observatory, Atibaia/Brazil. We discuss the correlation between the intensity and polarization degree variations at 7 GHz in association to the flare production in optical and X ray spectral range, and as a function of their intensity. The microwave S component behaviour is also compared to geomagnetic DST index. Interesting correlations between microwave intensity and polarization degree, flare production and geomagnetic DST index are suggested.
Correia Emilia
de Souza Rodney V.
Kaufmann Patrik
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