Chatzistergos, Theodosios

Curriculum Vitae

Main Focus
I am an astrophysicist with a keen interest in historical solar observations and their implications for understanding past solar magnetism as well as long-term changes in solar activity and irradiance and their influence on Earth.

Curriculum Vitae
Education and Employment
2020/06-today Postdoc, MPS
2018/04-2020/05 Postdoc, INAF OAR
2017/06-2018/03 Postdoc, MPS
2013/10-2017/06 PhD, "Analysis of historical solar observations and long-term changes in solar irradiance", MPS and Georg August University of Göttingen, Germany

Award
2022 SCOSTEP Distinguished Young Scientist Award

Selected Publications
[5] (Frontiers in Astronomy and Space Sciences, 2022, 9) Chatzistergos, T., Krivova, N. A., Ermolli, I. - Full-disc Ca ii K observations – a window to past solar magnetism
https://www.frontiersin.org/articles/10.3389/fspas.2022.1038949

[4] (Astronomy & Astrophysics, 2021, Vol. 665, A104) Chatzistergos, T., Krivova, N. A., Ermolli, I., et al. - Reconstructing solar irradiance from historical Ca ii K observations. I. Method and its validation
https://doi.org/10.1051/0004-6361/202141516

[3] (Astronomy & Astrophysics, 2020, Vol. 639, A88) Chatzistergos, T., Ermolli, I., Krivova, N. A., et al. — Analysis of full-disc Ca ii K spectroheliograms - III. Plage area composite series covering 1892–2019
https://doi.org/10.1051/0004-6361/202037746

[2] (Astronomy & Astrophysics, 2019, Vol. 626, A114) Chatzistergos, T., Ermolli, I., Solanki, S. K., et al. — Recovering the unsigned photospheric magnetic field from Ca ii K observations
https://doi.org/10.1051/0004-6361/201935131

[1] (Astronomy & Astrophysics, 2017, Vol. 602, A69) Chatzistergos, T., Usoskin, I. G., Kovaltsov, G. A., Krivova, N. A., & Solanki, S. K.  — New reconstruction of the
sunspot group numbers since 1739 using direct calibration and “backbone” methods
https://doi.org/10.1051/0004-6361/201630045