Causal Interaction between the Subsurface Rotation Rate Residuals and Radial Magnetic Field in Different Timescales

Inceoglu, Fadil; Howe, Rachel; Loto’aniu, Paul T. M.

doi:10.3847/1538-4357/ac4096

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Causal Interaction between the Subsurface Rotation Rate Residuals and Radial Magnetic Field in Different Timescales

2022
By Inceoglu, Fadil ; Howe, Rachel ; Loto’aniu, Paul T. M.
Source: The Astrophysical Journal, 925(2), 170

[PDF-1.44 MB]

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Journal Title:

The Astrophysical Journal
Personal Author:

Inceoglu, Fadil ; Howe, Rachel ; Loto’aniu, Paul T. M.

Inceoglu, Fadil ; Howe, Rachel ; Loto’aniu, Paul T. M. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

We studied the presence and spatiotemporal characteristics and evolution of the variations in the differential rotation rates and radial magnetic fields in the Schwabe and quasi-biennial-oscillation (QBO) timescales. To achieve these objectives, we used rotation rate residuals and radial magnetic field data from the Michelson Doppler Imager on the Solar and Heliospheric Observatory and the Helioseismic and Magnetic Imager on the Solar Dynamics Observatory, extending from 1996 May to 2020 August, covering solar cycles 23 and 24, respectively. Under the assumption that the radial surface magnetic field is nonlocal and the differential rotation is symmetric around the equator, our results suggest that the source region of the Schwabe cycle is confined between ∼30° N and S throughout the convection zone. As for the source region of the QBO, our results suggest that it is below 0.78 R⊙.
Keywords:

[+]

Solar Magnetic Fields Sun Sun—Internal Structure Astronomy And Astrophysics Solar Interior Solar Rotation Space And Planetary Science The Sun
Source:

The Astrophysical Journal, 925(2), 170
DOI:

https://doi.org/10.3847/1538-4357/ac4096
ISSN:

0004-637X;1538-4357;
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PDF
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American Astronomical Society
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Journal Article
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https://creativecommons.org/licenses/by/4.0/
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CC BY
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Submitted
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urn:sha256:6ae45865abb5246929b903591d580800de2be280b89d54cc470a0bba5b233859
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https://repository.library.noaa.gov/view/noaa/48917/noaa_48917_DS1.pdf
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Causal Interaction between the Subsurface Rotation Rate Residuals and Radial Magnetic Field in Different Timescales

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