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Author Iijima, H. ♦ Yokoyama, T.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ♦ CHROMOSPHERE ♦ CONVECTION ♦ ELEMENT ABUNDANCE ♦ EQUATIONS OF STATE ♦ LIFETIME ♦ LORENTZ FORCE ♦ MAGNETIC FIELDS ♦ MAGNETOHYDRODYNAMICS ♦ QUANTUM ENTANGLEMENT ♦ RADIANT HEAT TRANSFER ♦ SIMULATION ♦ SOLAR PROMINENCES ♦ SUN ♦ SURFACES ♦ THREE-DIMENSIONAL CALCULATIONS
Abstract This paper presents a three-dimensional simulation of chromospheric jets with twisted magnetic field lines. Detailed treatments of the photospheric radiative transfer and the equations of state allow us to model realistic thermal convection near the solar surface, which excites various MHD waves and produces chromospheric jets in the simulation. A tall chromospheric jet with a maximum height of 10–11 Mm and lifetime of 8–10 minutes is formed above a strong magnetic field concentration. The magnetic field lines are strongly entangled in the chromosphere, which helps the chromospheric jet to be driven by the Lorentz force. The jet exhibits oscillatory motion as a natural consequence of its generation mechanism. We also find that the produced chromospheric jet forms a cluster with a diameter of several Mm with finer strands. These results imply a close relationship between the simulated jet and solar spicules.
ISSN 0004637X
Educational Use Research
Learning Resource Type Article
Publisher Date 2017-10-10
Publisher Place United States
Journal Astrophysical Journal
Volume Number 848
Issue Number 1


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