Results 51 to 60 of about 871 (133)
3D MHD Simulations of Coronal Loops Heated via Magnetic Braiding. I. Continuous Driving
The Astrophysical JournalThe nature and detailed properties of the heating of the million-degree solar corona are important issues that are still largely unresolved. Nanoflare heating might be dominant in active regions and quiet Sun, although direct signatures of such small ...
G. Cozzo +15 more
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Zone of Preferential Heating for Minor Ions in the Solar Wind
The Astrophysical JournalThe properties of minor ions in the solar wind are important indicators of the state of the solar corona and the heating processes it undergoes as it expands.
Janelle Holmes +4 more
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Five-minute Periodicities in the Population of Solar Coronal Brightenings
The Astrophysical JournalThe population of small-scale brightenings observed across broad regions of the quiet-Sun (QS) corona shows coherent strong periodicities of ≈5 minutes and amplitudes of 20% to 30% of the mean.
Huw Morgan +4 more
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The Astrophysical JournalWe present the results of models of impulsively heated coronal loops using the 1D hydrodynamic Adaptively Refined Godunov Solver code. The impulsive heating events (which we refer to as nanoflares ) are modeled by discrete pulses of energy along the loop.
Therese A. Kucera +2 more
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A Quasi-2D Turbulence Model of Coronal Heating Including Thermal Conduction and Radiative Cooling
The Astrophysical JournalOne of the key mechanisms proposed for coronal heating is dissipation of quasi-two-dimensional (2D) turbulence generated above the photosphere by continual mixing and convective shuffling of open and closed magnetic field lines within the so-called ...
Krishna Khanal +2 more
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Reconnection Nanojets in an Erupting Solar Filament with Unprecedented High Speeds
The Astrophysical Journal LettersSolar nanojets are small-scale jets generated by component magnetic reconnection, characterized by collimated plasma motion perpendicular to the reconnecting magnetic field lines.
Yuhang Gao +6 more
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Modeling Time-variable Elemental Abundances in Coronal Loop Simulations
The Astrophysical Journal LettersNumerous recent X-ray observations of coronal loops in both active regions and solar flares have shown clearly that elemental abundances vary with time.
Jeffrey W. Reep +3 more
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The Astrophysical JournalMagnetic reconnection and magnetohydrodynamic waves may well be both playing a role in coronal heating. In this paper, we simulate reconnection in the corona as a response to the convergence of opposite-polarity magnetic sources at the base of the corona.
Sripan Mondal +3 more
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Source Materials and Heating of Alfvénic Slow and Hot Solar Wind Revealed by Heavy Ions
The Astrophysical JournalThis work quantitatively studies the differences of heavy ions among non-Alfvénic slow wind (N-ASSW), classical fast wind (FSW), and Alfvénic slow and hot wind (ASSW and AHSW) by effect size and Kolmogorov–Smirnov statistic.
Shuyi Meng, Shuo Yao
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A Unified Picture of Swirl-driven Solar Coronal Heating: Magnetic Energy Supply and Dissipation
The Astrophysical Journal LettersThe coronal heating problem is one of the most critical challenges in solar physics. Recent observations have revealed that small-scale swirls are ubiquitous in the photosphere and chromosphere, suggesting that they may play a significant role in ...
Hidetaka Kuniyoshi +2 more
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