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Solar-cycle effects on solar oscillation frequencies

Libbrecht, K. G. and Woodard, M. F. (1990) Solar-cycle effects on solar oscillation frequencies. Nature, 345 (6278). pp. 779-782. ISSN 0028-0836. doi:10.1038/345779a0.

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Measurements of solar oscillations taken in 1986 and 1988 show systematic changes in the Sun's acoustic-mode frequencies of the order of 1 part in 10,000. These data reveal that the frequency shifts are the result of latitude-dependent changes in the structure of the Sun which are correlated with the Sun's magnetic-activity cycle.

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Libbrecht, K. G.0000-0002-8744-3298
Additional Information:© 1990 Nature Publishing Group. Received 4 January: accepted 3 May 1990. We thank the observers at Big Bear Solar Observatory, particularly W. Marquette and R. Fear. We also thank P. Goldreich, N. Murray and P. Kumar for discussions. These data were analysed in part using the facilities of the San Diego Super-Computer Center, and the work was supported in part by the NSF.
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Issue or Number:6278
Record Number:CaltechAUTHORS:20150408-075535515
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56457
Deposited By: Tony Diaz
Deposited On:08 Apr 2015 22:56
Last Modified:10 Nov 2021 20:59

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