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  Global maps of the magnetic field in the solar corona

Yang, Z., Bethge, C., Tian, H., Tomczyk, S., Morton, R., Zanna, G. D., et al. (2020). Global maps of the magnetic field in the solar corona. Science, 369(6504), 694-697. doi:10.1126/science.abb4462.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-F976-D Version Permalink: http://hdl.handle.net/21.11116/0000-0006-F977-C
Genre: Journal Article

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 Creators:
Yang, Zihao, Author
Bethge, Christian, Author
Tian, Hui, Author
Tomczyk, Steven, Author
Morton, Richard, Author
Zanna, Giulio Del, Author
McIntosh, Scott W., Author
Karak, Bidya Binay, Author
Gibson, Sarah, Author
Samanta, Tanmoy, Author
He, Jiansen, Author
Chen, Yajie1, 2, Author              
Wang, Linghua, Author
Affiliations:
1IMPRS for Solar System Science at the University of Göttingen, Max Planck Institute for Solar System Research, Max Planck Society, Justus-von-Liebig-Weg 3, 37077 Göttingen, DE, ou_1832290              
2Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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 Abstract: Understanding many physical processes in the solar atmosphere requires determination of the magnetic field in each atmospheric layer. However, direct measurements of the magnetic field in the Sun’s corona are difficult to obtain. Using observations with the Coronal Multi-channel Polarimeter, we have determined the spatial distribution of the plasma density in the corona and the phase speed of the prevailing transverse magnetohydrodynamic waves within the plasma. We combined these measurements to map the plane-of-sky component of the global coronal magnetic field. The derived field strengths in the corona, from 1.05 to 1.35 solar radii, are mostly 1 to 4 gauss. Our results demonstrate the capability of imaging spectroscopy in coronal magnetic field diagnostics.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.abb4462
 Degree: -

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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 369 (6504) Sequence Number: - Start / End Page: 694 - 697 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1