Theodosios Chatzistergos
- Recalibration of the Sunspot-Number: Status Report
2023/03/01 by F. Clette, L. Lefèvre, Laure Lefèvre +31 · 1 voice · 8 citations
Earth and Planetary Sciences · Physics and Astronomy · #Geophysics and Gravity Measurements #Ionosphere and magnetosphere dynamics #Solar and Space Plasma Dynamics
- Long-term changes in solar activity and irradiance
2023/10/12 by Theodosios Chatzistergos, Natalie A. Krivova, N. A. Krivova +2 · 1 voice · 5 citations
Computer Science · Physics and Astronomy · #Solar Radiation and Photovoltaics #Solar and Space Plasma Dynamics #Stellar, planetary, and galactic studies
- Ca II K Polar Network Index of the Sun: A Proxy for Historical Polar Magnetic Field
2025/02/03 by Dibya Kirti Mishra, Mishra, Dibya Kirti, Bibhuti Kumar Jha +11 · 4 citations
Earth and Planetary Sciences · Physics and Astronomy · #FOS: Physical sciences #Geophysics and Gravity Measurements #Solar and Space Plasma Dynamics #Solar and Stellar Astrophysics (astro-ph.SR) #Stellar, planetary, and galactic studies
- Differential Rotation of the Solar Chromosphere: A Century-long Perspective from Kodaikanal Solar Observatory Ca II K Data
2023/11/30 by Dibya Kirti Mishra, S. Routh, Mishra, Dibya Kirti +13 · 2 citations
Physics and Astronomy · #Solar and Space Plasma Dynamics #Stellar, planetary, and galactic studies
- Rome Precision Solar Photometric Telescope: precision solar full-disk photometry during solar cycles 23-25
2022/11/18 by I. Ermolli, F. Giorgi, Ermolli, Ilaria +3 · 1 citation
Earth and Planetary Sciences · Physics and Astronomy · #Atmospheric Ozone and Climate #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Solar and Space Plasma Dynamics #Solar and Stellar Astrophysics (astro-ph.SR) #Stellar, planetary, and galactic studies
- Assessment of sunspot number cross-calibration approaches
2025/06/07 by Theodosios Chatzistergos, N. A. Krivova, Hannah Sundermann +1 · 1 voice · 1 citation
Physics and Astronomy · Environmental Science · #Solar and Space Plasma Dynamics #Impact of Light on Environment and Health #Historical Astronomy and Related Studies
- Solar variability in the Mg II h and k lines
2025/01/06 by K. Sowmya, Sowmya, K., Martin Snow +9 · 1 citation
Earth and Planetary Sciences · Engineering · Physics and Astronomy · #Calibration and Measurement Techniques #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Geophysics and Gravity Measurements #Solar and Space Plasma Dynamics #Solar and Stellar Astrophysics (astro-ph.SR) #Space Physics (physics.space-ph)
- Butterfly Diagram and Other Properties of Plage Areas from Kodaikanal Ca II K Photographs Covering 1904-2007
2024/08/23 by Bibhuti Kumar Jha, Jha, Bibhuti Kumar, Theodosios Chatzistergos +11 · 1 citation
Biochemistry, Genetics and Molecular Biology · Agricultural and Biological Sciences · #Lepidoptera: Biology and Taxonomy #Orthoptera Research and Taxonomy #Coleoptera: Cerambycidae studies
- Re-evaluating solar irradiance reconstructions: No evidence for large secular trends
2026/07/15 by Theodosios Chatzistergos, Natalie A. Krivova, Mathew J. Owens +1
#astro-ph.SR #astro-ph.EP