Koldobskiy, S. A.; Kähkönen, R.; Hofer, B.; Krivova, N. A.; Kovaltsov, G. A.; Usoskin, I. G.: Time Lag Between Cosmic-Ray and Solar Variability: Sunspot Numbers and Open Solar Magnetic Flux. Solar Physics 297, 38 (2022)
Usoskin, I.G.; Solanki, S. K.; Krivova, N. A.; Hofer, B.; Kovaltsov, G.A.; Wacker, L.; Brehm, N.; Kromer, B.: Solar cyclic activity over the last millennium reconstructed from annual 14C data. Astronomy and Astrophysics 649, A141 (2021)
Hofer, B.; Bourdin, P.-A.: Application of the Electromotive Force as a Shock Front Indicator in the Inner Heliosphere. The Astrophysical Journal 878 (1), 30 (2019)
Application deadline 1 October 2023. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
Application deadline 1 November 2022. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
Application deadline 1 November 2020. PhD projects in solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, solar system, planets, space instrumentation.