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A new mechanism for the butterfly diagram of the solar cycle

Published online by Cambridge University Press:  28 September 2023

Zebin Zhang Open the ORCID record for Zebin Zhang [Opens in a new window] ,
Jie Jiang Open the ORCID record for Jie Jiang [Opens in a new window]  and
Haowei Zhang
Zebin Zhang
Affiliation:
School of Space and Environment, Beihang University, Beijing, China Key Laboratory of Space Environment monitoring and Information Processing of MIIT, Beijing, China
Jie Jiang
Affiliation:
School of Space and Environment, Beihang University, Beijing, China Key Laboratory of Space Environment monitoring and Information Processing of MIIT, Beijing, China
Haowei Zhang
Affiliation:
School of Space and Environment, Beihang University, Beijing, China Key Laboratory of Space Environment monitoring and Information Processing of MIIT, Beijing, China
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Abstract

The butterfly diagram of the solar cycle is the equatorward migration of sunspot’s emergence latitudes as the solar cycle evolves, which was attributed to the equatorward flow at the base of the convection zone. However, helioseismological studies indicate controversial forms of the flow, and even present poleward flow at the base, which poses a big challenge to the wide-accepted mechanism. So we aim to propose a new mechanism, that is the latitude-dependent radial flux transport.

Keywords

Sun: activitySun: magnetic fieldssunspots
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S372: The Era of Multi-Messenger Solar Physics , August 2022 , pp. 91 - 93
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Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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References

Guerrero, G. & de Gouveia Dal Pino, E. M. 2008, A&A, 485, 267 Google Scholar
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Pipin, V. V. & Kosovichev, A. G. 2011, ApJ Letters, 727, L45 CrossRefGoogle Scholar
Zhao, J., Bogart, R. S., Kosovichev, A. G., Duvall, T. L., J., & Hartlep, T. 2013, ApJ Letters, 774, L29CrossRefGoogle Scholar
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