Electron precipitation and mass motion in the 1991 June 9 white-light flare

Details Electron precipitation and mass motion in the 1991 June 9 white-light flare Electron precipitation and mass motion in the 1991 June 9 white-light flare

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994soph..151..389d&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 151, no. 2, p. 389-392

Physics

2

Electron Precipitation, H Alpha Line, Mass Flow, Nonthermal Radiation, Solar Flares, Chromosphere, Photosphere, Spectral Emission, Spectrum Analysis, Vertical Motion

Scientific paper

We use H alpha line profiles as a diagnostic of mass motion and nonthermal electron precipitation in the white-light flare (WLF) of 1991 June 9 01:34 UT. We find only weak downflow velocities (approximately equals 10km/s) at the site of white-light emission, and comparable velocities elsewhere. We also find that electron precipitation is strongest at the WLF site. We conclude that continuum emission in this flare was probably caused by nonthermal electrons and not by dynamical energy transport via a chromospheric condensation.

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