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Response of optical hydrogen lines to beam heating. I. Electron beams
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SYSNO ASEP 0334858 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Response of optical hydrogen lines to beam heating. I. Electron beams Title Odezva optických čar vodíku na ohřev svazky: 1. Elektronové svazky Author(s) Kašparová, Jana (ASU-R) RID, ORCID
Varady, M. (CZ)
Heinzel, Petr (ASU-R) RID, ORCID
Karlický, Marian (ASU-R) RID, ORCID
Moravec, Z. (CZ)Source Title Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361
Roč. 499, č. 3 (2009), s. 923-934Number of pages 12 s. Language eng - English Country FR - France Keywords solar flares ; radiative transfer ; hydrodynamics 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) UT WOS 000266730600033 DOI 10.1051/0004-6361/200811559 Annotation We investigate the role of non-thermal electrons in the formation regions of Hα, Hβ, and Hγ lines in order to unfold their influence on the formation of these lines. We concentrate on pulse-beam heating varying on a subsecond timescale. Furthermore, we theoretically explore possibility that a new diagnostic tool exists indicating the presence of non-thermal electrons in the flaring chromosphere based on observations of optical hydrogen lines. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2010
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