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Rotation in the solar convection zone inferred from Fabry-Perot observations of the 5-min oscillations

Published online by Cambridge University Press:  03 August 2017

Frank Hill ,
David M. Rust  and
Thierry Appourchaux
Frank Hill
Affiliation:
National Solar Observatory, National Optical Astronomy Observatories*, 950 North Cherry Avenue, Tucson, Arizona 85726 USA
David M. Rust
Affiliation:
Applied Physics Laboratory, Johns Hopkins University, Johns Hopkins Road, Laurel, Maryland 20707 USA
Thierry Appourchaux
Affiliation:
Applied Physics Laboratory, Johns Hopkins University, Johns Hopkins Road, Laurel, Maryland 20707 USA Service d'Aeronomie, 91370 Verrieres Le Buisson, France

Abstract

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Full disk observations of the 5-min solar oscillations have been obtained with a lithium niobate Fabry-Perot filter. The equatorial solar rotation rate as a function of depth has been inferred from the sectoral modes of oscillation using the Backus-Gilbert optimal averaging inversion method. The results show a rotation rate that slowly decreases over the depths of 15 to 56 Mm below the photosphere. The results are in agreement with the previous Duvall-Harvey observations.

Type
Chapter 1: Observations of Solar Oscillations
Information
Symposium - International Astronomical Union , Volume 123: Advances In Hello- and Asteroseismology , 1988 , pp. 49 - 52
Copyright
Copyright © Reidel 1988 

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