activity
20112015
most citedThe variability of Sun-like stars: reproducing observed photometric trends

119 citations · 447 across the 7 of their papers we have counts for

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Showing astro-ph.SRShow all

5 papers · 1 filter

astro-ph.SR2015★ 57 cited

UV solar irradiance in observations and the NRLSSI and SATIRE-S models

K. L. Yeo, W. T. Ball, N. A. Krivova +3

Total solar irradiance and UV spectral solar irradiance have been monitored since 1978 through a succession of space missions. This is accompanied by the development of models aime…

astro-ph.SR2014★ 119 cited

The variability of Sun-like stars: reproducing observed photometric trends

A. I. Shapiro, S. K. Solanki, N. A. Krivova +5

The Sun and stars with low magnetic activity levels, become photometrically brighter when their activity increases. Magnetically more active stars display the opposite behaviour an…

astro-ph.SR2012★ 110 cited

Reconstruction of total solar irradiance 1974-2009

W. T. Ball, Y. C. Unruh, N. A. Krivova +4

Context: The study of variations in total solar irradiance (TSI) is important for understanding how the Sun affects the Earth's climate. Aims: Full-disk continuum images and magnet…

astro-ph.SR2011★ 26 cited

Solar irradiance models and measurements: a comparison in the 220 nm to 240 nm wavelength band

Yvonne C. Unruh, Will T. Ball, Natalie A. Krivova

Solar irradiance models that assume solar irradiance variations to be due to changes in the solar surface magnetic flux have been successfully used to reconstruct total solar irrad…

astro-ph.SR2011★ 79 cited

Solar irradiance variability: A six-year comparison between SORCE observations and the SATIRE model

Will T. Ball, Yvonne C. Unruh, Natalie A. Krivova +2

Aims: We investigate how well modeled solar irradiances agree with measurements from the SORCE satellite, both for total solar irradiance and broken down into spectral regions on t…