NASA NTRS · 19910063070
Modelling solar irradiances using ground-based measurements
Abstract
The first results of photometric measurements of Ca-K plage remnants are presented. They show that during the fall of 1986 the remnants gave a significant contribution to the irradiance variations and that the averaged remnant component is less than assumed in the present UV models. The contribution of the plage remnants to the combined plage and remnant index was on average about 13 percent, and it changed with time.
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Pap, J. M., Marquette, W. H., Donnelly, R. F.. 1991-01-01. Modelling solar irradiances using ground-based measurements. https://ntrs.nasa.gov/citations/19910063070
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