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Advances in Helioseismology

Libbrecht, K. G. and Woodard, M. F. (1991) Advances in Helioseismology. Science, 253 (5016). pp. 152-157. ISSN 0036-8075. doi:10.1126/science.253.5016.152.

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Globally coherent oscillation modes were discovered in the sun about a decade ago, providing a unique seismological probe of the solar interior. Current observations detect modes that are phase-coherent for up to 1 year, with surface velocity amplitudes as low as 2 millimeters per second, and thousands of mode frequencies have been measured to accuracies as high as 1 part in 10^5. This article discusses the properties of these oscillation modes and the ways in which they are adding to our understanding of the structure and dynamics of the sun.

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Libbrecht, K. G.0000-0002-8744-3298
Additional Information:© 1991 American Association for the Advancement of Science. We thank N. Murray and P. Goldreich for enlightening conversations. This work was supported by NSF grants ATM-8907012 and AST-8657393.
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Issue or Number:5016
Record Number:CaltechAUTHORS:20141217-122410746
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Official Citation:LIBBRECHT, K. G., & WOODARD, M. F. (1991). Advances in Helioseismology. Science, 253(5016), 152-157. doi: 10.1126/science.253.5016.152
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52964
Deposited By: Joanne McCole
Deposited On:22 Dec 2014 17:55
Last Modified:10 Nov 2021 19:46

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