I. Jet formation and evolution due to 3D magnetic reconnection

González-Avilés, JJ, Guzmán, FS, Fedun, V, Verth, G, Shelyag, Sergiy and Regnier, S 2018, I. Jet formation and evolution due to 3D magnetic reconnection, Astrophysical journal, vol. 856, no. 2, pp. 1-11, doi: 10.3847/1538-4357/aab36f.

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Title I. Jet formation and evolution due to 3D magnetic reconnection
Author(s) González-Avilés, JJ
Guzmán, FS
Fedun, V
Verth, G
Shelyag, SergiyORCID iD for Shelyag, Sergiy orcid.org/0000-0002-6436-9347
Regnier, S
Journal name Astrophysical journal
Volume number 856
Issue number 2
Article ID 176
Start page 1
End page 11
Total pages 11
Publisher IOP Publishing
Place of publication Bristol, Eng.
Publication date 2018-04-01
ISSN 0004-637X
Keyword(s) magnetic reconnection
magnetohydrodynamics (MHD)
Sun: atmosphere
Sun: magnetic fields
science & technology
physical sciences
astronomy & astrophysics
Summary Using simulated data-driven, 3D resistive MHD simulations of the solar atmosphere, we show that 3D magnetic reconnection may be responsible for the formation of jets with the characteristics of Type II spicules. We numerically model the photosphere-corona region using the C7 equilibrium atmosphere model. The initial magnetic configuration is a 3D potential magnetic field, extrapolated up to the solar corona region from a dynamic realistic simulation of the solar photospheric magnetoconvection model that mimics the quiet-Sun. In this case, we consider a uniform and constant value of the magnetic resistivity of 12.56 Ω m. We have found that the formation of the jet depends on the Lorentz force, which helps to accelerate the plasma upward. Analyzing various properties of the jet dynamics, we found that the jet structure shows a Doppler shift close to regions with high vorticity. The morphology, the upward velocity covering a range up to 130 km s-1, and the timescale formation of the structure between 60 and 90 s, are similar to those expected for Type II spicules.
Language eng
DOI 10.3847/1538-4357/aab36f
Field of Research 0201 Astronomical And Space Sciences
0305 Organic Chemistry
0306 Physical Chemistry (Incl. Structural)
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2018, The American Astronomical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30114945

Document type: Journal Article
Collections: School of Information Technology
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