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A numerical model of standard to blowout jets

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Hood_2013_AJL_ANumerical.pdf (1.327Mb)
Date
09/05/2013
Author
Archontis, Vasilis
Hood, A. W.
Funder
Science & Technology Facilities Council
Grant ID
ST/K000950/1
Keywords
Sun activity
Magnetic topology
X-ray jets
QC Physics
Metadata
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Abstract
We report on three-dimensional (3D) MHD simulations of the formation of jets produced during the emergence and eruption of solar magnetic fields. The interaction between an emerging and an ambient magnetic field in the solar atmosphere leads to (external) reconnection and the formation of "standard" jets with an inverse Y-shaped configuration. Eventually, low-atmosphere (internal) reconnection of sheared fieldlines in the emerging flux region produces an erupting magnetic flux rope and a reconnection jet underneath it. The erupting plasma blows out the ambient field and, moreover, it unwinds as it is ejected into the outer solar atmosphere. The fast emission of the cool material that erupts together with the hot outflows due to external/internal reconnection form a wider "blowout" jet. We show the transition from "standard" to "blowout" jets and report on their 3D structure. The physical plasma properties of the jets are consistent with observational studies.
Citation
Archontis , V & Hood , A W 2013 , ' A numerical model of standard to blowout jets ' , Astrophysical Journal Letters , vol. 769 , no. 2 , L21 . https://doi.org/10.1088/2041-8205/769/2/L21
Publication
Astrophysical Journal Letters
Status
Peer reviewed
DOI
https://doi.org/10.1088/2041-8205/769/2/L21
ISSN
2041-8205
Type
Journal article
Rights
© 2013. The American Astronomical Society. All rights reserved.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/5140

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