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A Search for ℓ = 2 Asymmetries in Bison Data

Published online by Cambridge University Press:  08 February 2017

W.J. Chaplin ,
Y. Elsworth ,
G.R. Isaak ,
C.P. McLeod ,
B.A. Miller  and
R. New
W.J. Chaplin
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT UK, E-mail: wjc@star.sr.bham.ac.uk
Y. Elsworth
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT UK, E-mail: wjc@star.sr.bham.ac.uk
G.R. Isaak
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT UK, E-mail: wjc@star.sr.bham.ac.uk
C.P. McLeod
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT UK, E-mail: wjc@star.sr.bham.ac.uk
B.A. Miller
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT UK, E-mail: wjc@star.sr.bham.ac.uk
R. New
Affiliation:
School of Science & Mathematics, Sheffield Hallam University, Sheffield, S1 1WB

Extract

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An in-depth discussion of the analysis presented here can be found in an up-coming paper (Chaplin et al., 1997).

The presence of a magnetic field will raise the degeneracy in ℓ of the resonant p-mode oscillations, via perturbations resulting from the Lorentz force. These degeneracyraising effects will give rise to asymmetric mode-multiplet structures. Both Gough & Thompson (1990). and Dziembowski & Goode (1997) have addressed the implications and potential complications that might result from such phenomena. Here, in an attempt to reveal the presence of an asymmetric frequency structure in the low-degree ℓ = 2 modes, i.e. to measure the asymmetries

Type
III. Large-Scale Structure of the Sun
Information
Symposium - International Astronomical Union , Volume 185: New Eyes to See Inside the Sun and Stars , 1998 , pp. 169 - 170
Copyright
Copyright © Kluwer 1998 

References

Chaplin, W. J., Elsworth, Y., Isaak, G. R., McLeod, C. P., Miller, B. A. and New, R., 1997, MNRAS, submitted Google Scholar
Dziembowski, W. A. and Goode, P.R., 1997. A&A, 317. 919 Google Scholar
Gough, D. O. and Thompson, M. J., 1990, MNRAS, 242, 25 CrossRefGoogle Scholar