Evaporation causes flare-related radio burst continuum depressions |
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| Authors: | H Aurass A Hofmann A Magun I Soru-Escaut P Zlobec |
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| Institution: | (1) Observatorium für solare Radioastronomie Tremsdorf und Sonnenobservatorium Einsteinturm, Institut für Astrophysik Potsdam, O-1500 Potsdam, Germany;(2) Institut für Angewandte Physik der Universität Bern, CH-3012 Bern, Switzerland;(3) Observatoire de Paris, Section d'Astrophysique, F-92195 Meudon Principal Cedex, France;(4) Osservatorio Astronomico di Trieste, I-34131 Trieste, Italy |
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| Abstract: | We study the active region NOAA 6718 and the development of a (2N, M3.6) flare in radio and H . Due to our knowledge of the magnetic field structure in the active region we are able to associate the different radio flare burst components with the stages in the H flare evolution. A discussion of the data in terms of chromospheric flare kernel heating reveals that in the present case the observed flare-related radio burst continuum switch-off is caused by the penetration of hot, ablated gas into the coronal radio source. |
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