Time variations of observed H$\alpha$ line profiles and precipitation depths of non-thermal electrons in a solar flare

R. Falewicz, K. Radziszewski, P. Rudawy +1

We compare time variations of the H$\alpha$ and X-ray emissions observed during the pre-impulsive and impulsive phases of the C1.1-class solar flare on 21 June 2013 with those of plasma…