Computer Science – Sound
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jqsrt..44..185h&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 44, July 1990, p. 185-192.
Computer Science
Sound
1
Absorption Spectra, Electric Fields, H Lines, Ion Acoustic Waves, Solar Flares, Spectral Line Width, Absorptivity, Balmer Series, Doppler Effect, Plasma Turbulence
Scientific paper
A new method of detecting LF ion-sound turbulence in solar chromospheric flares is proposed. The method is based on analysis of the hydrogen Paschen gamma line profiles, which exhibit under the appropriate conditions diagnostically important humps in the line wings around Delta lambda of about 1 A. The problem of Paschen gamma line formation under the influence of LF turbulent electric fields is discussed, and the theoretical results are compared with recent spectral observations. From comparison with the observed profile, a turbulent electric field mean intensity of F0 = about 3 CGS is derived.
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