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The Diagnostics of the kappa-Distributions from EUV Spectra
- 1.0354053 - ASÚ 2011 RIV NL eng J - Journal Article
Dzifčáková, Elena - Kulinová, Alena
The Diagnostics of the kappa-Distributions from EUV Spectra.
Solar Physics. Roč. 263, 1-2 (2010), s. 25-41. ISSN 0038-0938. E-ISSN 1573-093X
R&D Projects: GA ČR GA205/09/1705
Grant - others:VEGA(SK) 1/0069/08
Institutional research plan: CEZ:AV0Z10030501
Keywords : EUV spectra * non-thermal distributions * plasma diagnostics
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
Impact factor: 3.386, year: 2010
The EUV lines suitable to diagnose possible kappa-distributions in the solar corona are examined. A set of synthetic spectra for various values of the kappa-parameter, characterizing the non-thermal kappa-distributions, electron densities, and the mean energy of the distributions are calculated in the spectral range corresponding to the Hinode/EIS and Coronas-F/SPIRIT detectors. The strong EUV lines of Fe in various degrees of ionization are used to analyze the sensitivity of the line ratios to the shape of the distribution function, electron density, and temperature or the parameter T of the kappa-distribution. The EUV lines suitable for the diagnostics of the distribution function are proposed and the conditions for their usage are discussed.
Permanent Link: http://hdl.handle.net/11104/0193138
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