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A publicly available simulation of an enhanced network region of the Sun
Stockholm University, Faculty of Science, Department of Astronomy.
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Number of Authors: 5
2016 (English)In: Astronomy and Astrophysics, ISSN 0004-6361, E-ISSN 1432-0746, Vol. 585, A4Article in journal (Refereed) Published
Abstract [en]

Context. The solar chromosphere is the interface between the solar surface and the solar corona. Modelling of this region is difficult because it represents the transition from optically thick to thin radiation escape, from gas-pressure domination to magnetic-pressure domination, from a neutral to an ionised state, from MHD to plasma physics, and from near-equilibrium (LTE) to non-equilibrium conditions. Aims. Our aim is to provide the community with realistic simulations of the magnetic solar outer atmosphere. This will enable detailed comparison of existing and upcoming observations with synthetic observables from the simulations, thereby elucidating the complex interactions of magnetic fields and plasma that are crucial for our understanding of the dynamic outer atmosphere. Methods. We used the radiation magnetohydrodynamics code Bifrost to perform simulations of a computational volume with a magnetic field topology similar to an enhanced network area on the Sun. Results. The full simulation cubes are made available from the Hinode Science Data Centre Europe. The general properties of the simulation are discussed, and limitations are discussed.

Place, publisher, year, edition, pages
2016. Vol. 585, A4
Keyword [en]
magnetohydrodynamics (MHD), radiative transfer, Sun: atmosphere, Sun: chromosphere, Sun: transition region, Sun: corona
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-127889DOI: 10.1051/0004-6361/201527226ISI: 000369710300011OAI: diva2:940172
Available from: 2016-06-20 Created: 2016-03-14 Last updated: 2016-06-20Bibliographically approved

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Leenaarts, Jorrit
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