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  A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating

Priest, E. R., Chitta, L. P., & Syntelis, P. (2018). A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating. The Astrophysical Journal Letters, 862(2): L24. doi:10.3847/2041-8213/aad4fc.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-C386-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C387-8
Genre: Journal Article

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 Creators:
Priest, E. R., Author
Chitta, L. P.1, Author              
Syntelis, P., Author
Affiliations:
1Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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Free keywords: magnetohydrodynamics (MHD) ; magnetic reconnection; Sun: atmosphere; Sun: chromosphere; Sun: corona; Sun: magnetic fields
 Abstract: Nanoflare models for heating the solar corona usually assume magnetic braiding and reconnection as the source of the energy. However, recent observations at record spatial resolution from the Sunrise balloon mission suggest that photospheric magnetic flux cancellation is much more common than previously realized. We therefore examine the possibility of three-dimensional reconnection driven by flux cancellation as a cause of chromospheric and coronal heating. In particular, we estimate how the heights and amount of energy release produced by flux cancellation depend on flux size, flux cancellation speed, and overlying field strength.

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Language(s): eng - English
 Dates: 2018
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3847/2041-8213/aad4fc
 Degree: -

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Title: The Astrophysical Journal Letters
  Other : Astrophys. J. Lett.
Source Genre: Journal
 Creator(s):
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Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 862 (2) Sequence Number: L24 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215