Flare activity and photospheric analysis of Proxima CentauriY. Pavlenko, A. Suárez Mascareño, R. Rebolo, N. Lodieu, V. J. S. Béjar and J. I. González HernándezA&A, 606 (2017) A49DOI: https://doi.org/10.1051/0004-6361/201730733