On a Possible Explanation of Chromospheric Line Asymmetries of Solar Flares

Details On a Possible Explanation of Chromospheric Line Asymmetries of Solar Flares On a Possible Explanation of Chromospheric Line Asymmetries of Solar Flares

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996soph..166..437d&link_type=abstract

Solar Physics, Volume 166, Issue 2, pp.437-440

Physics

6

Scientific paper

We discuss the relationship between the chromospheric downward motions and the line asymmetries in solar flares by using a simple model. It is found that both the blue asymmetry and red asymmetry of the Hα line can be caused by downward motions, as long as the moving material is confined to different heights in the chromosphere. The Ca ii K line, however, mainly shows a red asymmetry. The results can qualitatively explain some observations.

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