First-authored, refereed papers of T. Chatzistergos

A list of first-authored, refereed publications of T. Chatzistergos, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0002-0335-9831

List of publications ordered by citations
Number of papers: 18
No. of citations: 474

2025

1. Assessment of sunspot number cross-calibration approaches [2]
   Chatzistergos, Theodosios, Krivova, Natalie A., Sundermann, Hannah & Usoskin, Ilya G., A&A, 699, A157
2. Revisiting the SATIRE-S irradiance reconstruction: Heritage of Mt Wilson magnetograms and Ca II K observations [2]
   Chatzistergos, Theodosios, Krivova, Natalie A., Solanki, Sami K. & Leng Yeo, Kok, A&A, 696, A204

2024

1. A Discussion of Implausible Total Solar-Irradiance Variations Since 1700 [9]
   Chatzistergos, Theodosios, Solar Physics, 299, 21
2. Understanding the secular variability of solar irradiance: the potential of Ca II K observations [14]
   Chatzistergos, Theodosios, Krivova, Natalie A. & Ermolli, Ilaria, Journal of Space Weather and Space Climate, 14, 9

2023

1. Is there a link between the length of the solar cycle and Earth's temperature? [9]
   Chatzistergos, Theodosios, Rendiconti Lincei. Scienze Fisiche e Naturali, 34, 11
2. Long-term changes in solar activity and irradiance [29]
   Chatzistergos, Theodosios, Krivova, Natalie A. & Yeo, Kok Leng, Journal of Atmospheric and Solar-Terrestrial Physics, 252, 106150
3. Analysis of full-disc Hα observations: Carrington maps and filament properties in 1909-2022 [11]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Banerjee, Dipankar, Barata, Teresa, Chouinavas, Ioannis, Falco, Mariachiara, Gafeira, Ricardo, Giorgi, Fabrizio, Hanaoka, Yoichiro, Krivova, Natalie A., Korokhin, Viktor V., Lourenço, Ana, Marchenko, Gennady P., Malherbe, Jean-Marie, Peixinho, Nuno, Romano, Paolo & Sakurai, Takashi, A&A, 680, A15

2022

1. Full-disc Ca ii K observations—A window to past solar magnetism [27]
   Chatzistergos, Theodosios, Krivova, Natalie A. & Ermolli, Ilaria, Frontiers in Astronomy and Space Sciences, 9, 336
2. Scrutinising the relationship between plage areas and sunspot areas and numbers [22]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Krivova, Natalie A., Barata, Teresa, Carvalho, Sara & Malherbe, Jean-Marie, A&A, 667, A167

2021

1. Reconstructing solar irradiance from historical Ca II K observations. I. Method and its validation [27]
   Chatzistergos, Theodosios, Krivova, Natalie A., Ermolli, Ilaria, Yeo, Kok Leng, Mandal, Sudip, Solanki, Sami K., Kopp, Greg & Malherbe, Jean-Marie, A&A, 656, A104

2020

1. Modelling solar irradiance from ground-based photometric observations [23]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Giorgi, Fabrizio, Krivova, Natalie A. & Puiu, Cosmin Constantin, Journal of Space Weather and Space Climate, 10, 45
2. Analysis of full-disc Ca II K spectroheliograms. III. Plage area composite series covering 1892-2019 [50]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Krivova, Natalie A., Solanki, Sami K., Banerjee, Dipankar, Barata, Teresa, Belik, Marcel, Gafeira, Ricardo, Garcia, Adriana, Hanaoka, Yoichiro, Hegde, Manjunath, Klimeš, Jan, Korokhin, Viktor V., Lourenço, Ana, Malherbe, Jean-Marie, Marchenko, Gennady P., Peixinho, Nuno, Sakurai, Takashi & Tlatov, Andrey G., A&A, 639, A88

2019

1. Historical solar Ca II K observations at the Rome and Catania observatories [14]
   Chatzistergos, T., Ermolli, I., Falco, M., Giorgi, F., Guglielmino, S. L., Krivova, N. A., Romano, P. & Solanki, S. K., Nuovo Cimento C Geophysics Space Physics C, 42, 5
2. Delving into the Historical Ca II K Archive from the Kodaikanal Observatory: The Potential of the Most Recent Digitized Series [23]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Solanki, Sami K., Krivova, Natalie A., Banerjee, Dipankar, Jha, Bibhuti K. & Chatterjee, Subhamoy, Solar Physics, 294, 145
3. Recovering the unsigned photospheric magnetic field from Ca II K observations [40]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Solanki, Sami K., Krivova, Natalie A., Giorgi, Fabrizio & Yeo, Kok Leng, A&A, 626, A114
4. Analysis of full disc Ca II K spectroheliograms. II. Towards an accurate assessment of long-term variations in plage areas [52]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Krivova, Natalie A. & Solanki, Sami K., A&A, 625, A69

2018

1. Analysis of full disc Ca II K spectroheliograms. I. Photometric calibration and centre-to-limb variation compensation [39]
   Chatzistergos, Theodosios, Ermolli, Ilaria, Solanki, Sami K. & Krivova, Natalie A., A&A, 609, A92

2017

1. New reconstruction of the sunspot group numbers since 1739 using direct calibration and "backbone" methods [81]
   Chatzistergos, Theodosios, Usoskin, Ilya G., Kovaltsov, Gennady A., Krivova, Natalie A. & Solanki, Sami K., A&A, 602, A69