List of works - Theodosios Chatzistergos

A Discussion of Implausible Total Solar-Irradiance Variations Since 1700

scientific article published in February 2024

A note on the sunspot and prominence records made by Angelo Secchi during the period 1871–1875

scientific article published in 2021

Analysis of full disc Ca II K spectroheliograms. II. Towards an accurate assessment of long-term variations in plage areas

scientific article

Analysis of full-disc Ca II K spectroheliograms

scientific article published in July 2020

Analysis of full-disc H α observations: Carrington maps and filament properties in 1909–2022

scientific article published in December 2023

Ca II K spectroheliograms for studies of long-term changes in solar irradiance

scientific article published in February 2018

Constraining the CME parameters of the spheromak flux rope implemented in EUHFORIA

scientific article published on 3 March 2021

Delving into the Historical Ca ii K Archive from the Kodaikanal Observatory: The Potential of the Most Recent Digitized Series ⬇️

scholarly article

Differential Rotation of the Solar Chromosphere: A Century-long Perspective from Kodaikanal Solar Observatory Ca ii K Data

scholarly article published in January 2024

Full-disc Ca ii K observations—A window to past solar magnetism

scientific article published on 17 November 2022

Is there a link between the length of the solar cycle and Earth’s temperature?

scientific article published on 27 December 2022

Long-term changes in solar activity and irradiance

scientific article published in November 2023

Modelling solar irradiance from ground-based photometric observations

scientific article published in 2020

New reconstruction of the sunspot group numbers since 1739 using direct calibration and “backbone” methods

scientific article published in Astronomy and Astrophysics

Reconstructing solar irradiance from Ca II K observations

scientific article published on 18 January 2021

Reconstructing solar irradiance from historical Ca II K observations

scientific article published in December 2021

Rome Precision Solar Photometric Telescope: precision solar full-disk photometry during solar cycles 23–25

scientific article published on 30 November 2022

Scrutinising the relationship between plage areas and sunspot areas and numbers

scientific article published in November 2022

The Extreme Space Weather Event of 1872 February: Sunspots, Magnetic Disturbance, and Auroral Displays