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Paper: Medium-Degree Global-Mode Frequency Shifts in Solar Cycles 23 and 24: Is There Any Difference?
Volume: 478, Fifty Years of Seismology of the Sun and Stars
Page: 155
Authors: Howe, R.; Komm, R.; Hill, F.
Abstract: It is well established that the frequencies of acoustic modes vary with the solar cycle, being strongly correlated with the temporal and spatial distribution of magnetic activity as measured by the magnetic field strength or by intensity proxies. With nearly eighteen years of data from GONG and MDI, we check for differences between the sensitivity to the Kitt Peak magnetic index between the rising phases of Solar Cycles 23 and 24. We find no significant difference.
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