Liu, Y.; Welsch, B. T.; Valori, G.; Georgoulis, M. K.; Guo, Y.; Pariat, E.; Park, S.-H.; Thalmann, J. K.: Changes of Magnetic Energy and Helicity in Solar Active Regions from Major Flares. The Astrophysical Journal 942, p. 27 (2023)
Dr. Theodosios Chatzistergos receives award by the European Space Weather and Space Climate Association for his research findings on the historical activity of the Sun.