20 citations · 23 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2026★ 3 cited
Reconstruction of annual solar irradiance over the last three millennia
D. Temaj, N. A. Krivova, S. K. Solanki +2
Solar irradiance measurements are limited to the last few decades, requiring reconstructions to assess solar variability on longer timescales and its impact on Earth's climate. We…
astro-ph.SR2016★ 20 cited
Dependence of the Sunspot-group Size on the Level of Solar Activity and its Influence on the Calibration of Solar Observers
I. G. Usoskin, G. A. Kovaltsov, T. Chatzistergos
The distribution of the sunspot group size (area) and its dependence on the level of solar activity is studied. It is shown that the fraction of small groups is not constant but de…