390 citations · 5.1k across the 93 of their papers we have counts for
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astro-ph2007★ 30 cited
Reconstruction of solar irradiance using the Group sunspot number
L. Balmaceda, N. A. Krivova, S. K. Solanki
We present a reconstruction of total solar irradiance since 1610 to the present based on variations of the surface distribution of the solar magnetic field. The latter is calculate…
astro-ph2007★ 90 cited
Properties of sunspots in cycle 23: I. Dependence of brightness on sunspot size and cycle phase
S. K. Mathew, V. Martinez Pillet, S. K. Solanki +1
In this paper we investigate the dependence of umbral core brightness, as well as the mean umbral and penumbral brightness on the phase of the solar cycle and on the size of the su…