Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2010-09-18
2009AdSpR..43..605B
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
Advances in Space Research, Volume 43, Issue 4, p. 605-611
Scientific paper
10.1016/j.asr.2008.11.021
A complex radio event was observed on January 17, 2005 with the radio-spectrograph ARTEMIS-IV, operating at Thermopylae, Greece; it was associated with an X3.8 SXR flare and two fast Halo CMEs in close succession. We present dynamic spectra of this event; the high time resolution (1/100 s) of the data in the 450-270 MHz range, makes possible the detection and analysis of the fine structure which this major radio event exhibits. The fine structure was found to match, almost, the comprehensive Ondrejov Catalogue which it refers to the spectral range 0.8-2 GHz, yet seems to produce similar fine structure with the metric range.
Alissandrakis Constantine
Bouratzis C.
Hillaris Alexander
Moussas Xenophon
Preka-Papadema Panagiota
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