Abstract
Using data from the Global Oscillation Network Group (GONG) covering the period from 1995 to 1998, we study the change with solar activity in solar f-mode frequencies. The results are compared with similar changes detected from the Michelson Doppler Imager (MDI) data. We find variations in f-mode frequencies which are correlated with solar activity indices. If these changes are due to variation in solar radius then the implications are that the solar radius decreases by about 5 km from minimum to maximum activity.
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Antia, H.M., Basu, S., Pintar, J., Pohl, B. (2000). Solar Cycle Variation in Solar F-Mode Frequencies and Radius. In: Duvall, T.L., Harvey, J.W., Kosovichev, A.G., Švestka, Z. (eds) Helioseismic Diagnostics of Solar Convection and Activity. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4377-6_31
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DOI: https://doi.org/10.1007/978-94-011-4377-6_31
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