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  Signatures of Solar Cycle 25 in Subsurface Zonal Flows

Howe, R., Hill, F., Komm, R., Chaplin, W. J., Elsworth, Y., Davies, G. R., et al. (2018). Signatures of Solar Cycle 25 in Subsurface Zonal Flows. The Astrophysical Journal Letters, 862(1): L5. doi:10.3847/2041-8213/aad1ed.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-B9F0-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-B9F1-C
Genre: Journal Article

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 Creators:
Howe, R., Author
Hill, F., Author
Komm, R., Author
Chaplin, W. J., Author
Elsworth, Y., Author
Davies, G. R., Author
Schou, Jesper1, Author              
Thompson, M. J., Author
Affiliations:
1Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832287              

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Free keywords: Sun: helioseismology; Sun: rotation
 Abstract: The pattern of migrating zonal flow bands associated with the solar cycle, known as the torsional oscillation, has been monitored with continuous global helioseismic observations by the Global Oscillations Network Group (GONG), together with those made by the Michelson Doppler Imager (MDI) on board the Solar and Heliospheric Observatory (SOHO) and its successor, the Helioseismic and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO), since 1995, giving us nearly two full solar cycles of observations. We report that the flows now show traces of the mid-latitude acceleration that is expected to become the main equatorward-moving branch of the zonal flow pattern for Cycle 25. Based on the current position of this branch, we speculate that the onset of widespread activity for Cycle 25 is unlikely to be earlier than the middle of 2019.

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Language(s): eng - English
 Dates: 2018
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3847/2041-8213/aad1ed
 Degree: -

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Title: The Astrophysical Journal Letters
  Other : Astrophys. J. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 862 (1) Sequence Number: L5 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215