Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004acasn..45..389w&link_type=abstract
Acta Astronomica Sinica, vol. 45, no. 4, p. 389-401
Astronomy and Astrophysics
Astronomy
Sun: Radio Radiation, Sun: Uv Radiation, Sun: Corona
Scientific paper
A very complex solar radio burst was observed with the wide-band spectrometer of NAOC. Combining the data of NoRH (Nobeyama Radio Heliograph) and TRACE (Transition Region and Coronal Explorer), the relation between the spectral characters and the evolution of microwave sources as well as the complex EUV coronal loops was analyzed. The main result is that, the burst on 19 October 2001 is an indicator of a great two-ribbon flare, which consisted of two parts. The first one was characterized by microwave emission due to the gyro-synchrotron emission of loop-foot sources, and the second one was characterized by metric and decimeter emission due to a combination of plasma and gyro-resonance mechanisms of loop-top sources.
Liu Ya-Ying
Wang Lanjuan
Wang Min
Xie Rui Xiang
Xu Cenke
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