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Far-IR and Radio Thermal Continua in Solar Flares
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SYSNO ASEP 0334861 Document Type J - Journal Article R&D Document Type The record was not marked in the RIV Subsidiary J Ostatní články Title Far-IR and Radio Thermal Continua in Solar Flares Title Daleká infračervená a radiová kontinua ve slunečních erupcích Author(s) Kašparová, Jana (ASU-R) RID, ORCID
Heinzel, Petr (ASU-R) RID, ORCID
Karlický, Marian (ASU-R) RID, ORCID
Moravec, Z. (CZ)
Varady, M. (CZ)Source Title Central European Astrophysical Bulletin - ISSN 1845-8319
Roč. 33, - (2009), s. 309-315Number of pages 7 s. Language eng - English Country HR - Croatia Keywords solar flares ; radiative hydrodynamics ; continuum emission Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects GA205/04/0358 GA ČR - Czech Science Foundation (CSF) GP205/06/P135 GA ČR - Czech Science Foundation (CSF) GA205/07/1100 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10030501 - ASU-R (2005-2011) Annotation With the invention of new far-infrared (FIR) and radio mm and sub-mm instruments (DESIR on SMESE satellite, ESO-ALMA), there is a growing interest in observations and analysis of solar flares in this so far unexplored wavelength region. Two principal radiation mechanisms play a role: the synchrotron emission due to accelerated particle beams moving in the magnetic field and the thermal emission due to the energy deposit in the lower atmospheric layers. In this contribution we explore the time-dependent effects of beams on thermal FIR and radio continua. We show how and where these continua are formed in the presence of time dependent beam heating and non-thermal excitation/ionisation of the chromospheric hydrogen plasma. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2010
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