Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cha%26a..29..189w&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 29, Issue 2, p. 189-202.
Astronomy and Astrophysics
Astrophysics
Scientific paper
On 2001 Oct. 19, a very complex solar radio burst with a host of interesting features was observed with a broadband (0.7 7.6 GHz) solar radio spectrometer. Combining with the data of NoRH (Nobeyama Radio Heliograph) and TRACE (Transition Region and Corona Explorer), the spectral features of the radio burst, the evolution of the microwave radio sources, and relations with the complex EUV coronal loops are analyzed. The burst is the radio manifestation of a large double-ribbon flare; it consisted of two stages. The earlier stage was dominated bya broadband burst in the centimeter-meter waveband from gyro-synchrotron emission of sources at the footpoints of the loop. The later stage was dominated by a narrow-band decimeter wave burst in the decimetermeter waveband, from a combination of plasma emission and gyro-resonance emission from sources in the top of the loop.
Liu Yu-Ying
Wang Lin
Wang Min
Xie Rui-Xiang
Xu Chun
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