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  Generation of solar spicules and subsequent atmospheric heating

Samanta, T., Tian, H., Yurchyshyn, V., Peter, H., Cao, W., Sterling, A., et al. (2019). Generation of solar spicules and subsequent atmospheric heating. Science, 366(6467), 890-894. doi:10.1126/science.aaw2796.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-691B-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-691C-6
Genre: Journal Article

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 Creators:
Samanta, Tanmoy, Author
Tian, Hui, Author
Yurchyshyn, Vasyl, Author
Peter, Hardi1, Author              
Cao, Wenda, Author
Sterling, Alphonse, Author
Erdélyi, Robertus, Author
Ahn, Kwangsu, Author
Feng, Song, Author
Utz, Dominik, Author
Banerjee, Dipankar, Author
Chen, Yajie, Author
Affiliations:
1Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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 Abstract: Spicules are rapidly evolving fine-scale jets of magnetized plasma in the solar chromosphere. It remains unclear how these prevalent jets originate from the solar surface and what role they play in heating the solar atmosphere. Using the Goode Solar Telescope at the Big Bear Solar Observatory, we observed spicules emerging within minutes of the appearance of opposite-polarity magnetic flux around dominant-polarity magnetic field concentrations. Data from the Solar Dynamics Observatory showed subsequent heating of the adjacent corona. The dynamic interaction of magnetic fields (likely due to magnetic reconnection) in the partially ionized lower solar atmosphere appears to generate these spicules and heat the upper solar atmosphere.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.aaw2796
 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: 366 (6467) Sequence Number: - Start / End Page: 890 - 894 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1