Publications of Theodosios Chatzistergos

Chatzistergos, T.; Ermolli, I.; Solanki, S. K.; Krivova, N. A.: Exploring historical Ca II K spectroheliogram archives. XIVth Hvar astrophysical colloquium, Hvar, Croatia (2016)

Chatzistergos, T.; Usoskin, I.; Kovaltsov, G. A.; Krivova, N. A.; Solanki, S. K.: Non-linear re-calibration of group sunspot number series back to 1739. AGU Fall Meeting, San Francisco, USA (2016)

Krivova, N.; Wu, C. J.; Dasi Espuig, M.; Chatzistergos, T.; Yeo, K. L.; Solanki, S. K.: Reconstructions of past solar irradiance. International Space Climate Symposium-6, Levi, Finland (2016)

Chatzistergos, T.; Ermolli, I.; Krivova, N. A.; Solanki, S. K.: Handling historical Ca II K spectroheliogram observations. AGU Fall Meeting, San Francisco, USA (2016)