47 citations · 173 across the 21 of their papers we have counts for
22 papers · 1 filter
Alfvénic Motions in a Stratified Open Flux Tube: Transition from Propagating to Locally Standing Motions and Implications for the Kelvin-Helmholtz Instability
Mingzhe Guo, Bo Li, Yuhang Gao +1
Standing transverse waves in closed coronal structures have been widely studied as a possible route to energy dissipation, with resonant absorption transferring kink wave energy to…
Understanding the Travel-time Asymmetry of Acoustic Waves in Sunspots With Time-distance Helioseismology
Haiyu Li, Tobías Felipe, Elena Khomenko +3
Mapping the subsurface structure and flow field of sunspots has been a challenging task for helioseismology. In this work, we investigate the propagation of acoustic waves in a sun…
High-Frequency Magnetohydrodynamic Waves with Substantial Energy in the Solar Polar Corona
Yuhang Gao, Hui Tian, Richard Morton +5
The acceleration and heating of the fast solar wind remain long-standing challenges in space physics. One type of leading theoretical models requires high-frequency magnetohydrodyn…
Fine-scale downflows above flare ribbons captured by Solar Orbiter/EUI
Zheng Sun, Alexander G. M. Pietrow, Malcolm K. Druett +8
In solar flares, flare ribbons map chromospheric footpoints where flare energy deposition occurs. These locations are associated with field aligned energy transport from the corona…
Repeated Sunspot Light Bridge Jets Associated with Slipping Base Brightenings
Yadan Duan, Xiaoli Yan, Yuhang Gao +3
Light bridge (LB) jets offer a unique window into small-scale eruptive phenomena within sunspots, the Sun's strongest magnetic environments; however, their generation mechanism rem…
FAST Observations of Wave-like Structures in the Radio Dynamic Spectrum of AD Leo
Wenjie Zou, Hui Tian, Jiale Zhang +1
M-dwarf flare stars like AD Leo are laboratories for studying intense magnetic activities. The coherent radio bursts they produce are powerful probes of stellar coronal plasma and…
Resolving Interchange Reconnection Dynamics in a Fan-Spine-like Topology Observed by Solar Orbiter
Yadan Duan, Xiaoli Yan, Junchao Hong +5
Interchange reconnection is believed to play a significant role in the production of solar jets and solar wind. However, the dynamics of interchange reconnection in the low corona…
Reconnection nanojets in an erupting solar filament with unprecedented high speeds
Yuhang Gao, Hui Tian, David Berghmans +4
Solar nanojets are small-scale jets generated by component magnetic reconnection, characterized by collimated plasma motion perpendicular to the reconnecting magnetic field lines.…
The Detectability of Coronal Mass Ejections in the Low Corona Using Multi-slit Extreme-ultraviolet Spectroscopy
Lami Chan, Xianyong Bai, Hui Tian +6
The spectra of coronal mass ejections (CMEs) in the low corona play a crucial role in understanding their origins and physical mechanism, and enhancing space weather forecasting. H…
SIP-IFVM: A time-evolving coronal model with an extended magnetic field decomposition strategy
Haopeng Wang, Liping Yang, Stefaan Poedts +20
Time-evolving magnetohydrodynamic (MHD) coronal modeling, driven by a series of time-dependent photospheric magnetograms, represents a new generation of coronal simulations. This a…
Spectra of standing kink waves in loops and the effects of the lower solar atmosphere
Konstantinos Karampelas, Daye Lim, Tom Van Doorsselaere +1
Understanding the effects of the lower solar atmosphere on the spectrum of standing kink oscillations of coronal loops, in both the decaying and decayless regime, is essential for…
Measurements of the solar coronal magnetic field based on coronal seismology with propagating Alfvenic waves: forward modeling
Yuhang Gao, Hui Tian, Tom Van Doorsselaere +3
Recent observations have demonstrated the capability of mapping the solar coronal magnetic field using the technique of coronal seismology based on the ubiquitous propagating Alfve…
Undersampling effects on observed periods of coronal oscillations
Daye Lim, Tom Van Doorsselaere, Valery M. Nakariakov +3
Context. Recent observations of decayless transverse oscillations have shown two branches in the relationship between periods and loop lengths. One is a linear relationship, interp…
Propagating Kink Waves in an Open Coronal Magnetic Flux Tube with Gravitational Stratification: Magnetohydrodynamic Simulation and Forward Modelling
Yuhang Gao, Tom Van Doorsselaere, Hui Tian +2
Context. In the coronal open-field regions, such as coronal holes, there are many transverse waves propagating along magnetic flux tubes, generally interpreted as kink waves. Previ…
Modelling of transverse oscillations driven by p-modes in short coronal loops
Yuhang Gao, Mingzhe Guo, Tom Van Doorsselaere +2
Recent observations have revealed two types of decayless transverse oscillations in short coronalloops: one with short periods scaling with loop lengths, and the other with longer…
Understanding the Lateral Drifting of an Erupting Filament with a Data-constrained Magnetohydrodynamic Simulation
Jinhan Guo, Ye Qiu, Yiwei Ni +6
Solar filaments often exhibit rotation and deflection during eruptions, which would significantly affect the geoeffectiveness of the corresponding coronal mass ejections (CMEs). Th…
Influence of the Lower Atmosphere on Wave Heating and Evaporation in Solar Coronal Loops
Mingzhe Guo, Timothy Duckenfield, Tom Van Doorsselaere +3
We model a coronal loop as a three-dimensional magnetic cylinder in a realistic solar atmosphere that extends from the chromosphere to the corona. Kink oscillations, believed ubiqu…
Alfvénic motions arising from asymmetric acoustic wave drivers in solar magnetic structures
Samuel Skirvin, Yuhang Gao, Tom Van Doorsselaere
Alfvénic motions are ubiquitous in the solar atmosphere and their observed properties are closely linked to those of photospheric p-modes. However, it is still unclear how a predom…
Can we detect coronal mass ejections through asymmetries of Sun-as-a-star extreme-ultraviolet spectral line profiles?
Zihao Yang, Hui Tian, Xianyong Bai +8
Coronal mass ejections (CMEs) are the largest-scale eruptive phenomena in the solar system. Associated with enormous plasma ejections and energy release, CMEs have an important imp…
Decayless oscillations in solar coronal bright points
Yuhang Gao, Hui Tian, Tom Van Doorsselaere +1
Decayless kink oscillations of solar coronal loops (or decayless oscillations for short) have attracted great attention since their discovery. Coronal bright points (CBPs) are mini…
Possible Signature of Sausage Waves in Photospheric Bright Points
Yuhang Gao, Fuyu Li, Bo Li +4
Sausage waves have been frequently reported in solar magnetic structures such as sunspots, pores, and coronal loops. However, they have not been unambiguously identified in photosp…
Coronal microjets in quiet-Sun regions observed with the Extreme Ultraviolet Imager onboard Solar Orbiter
Zhenyong Hou, Hui Tian, David Berghmans +8
We report the smallest coronal jets ever observed in the quiet Sun with recent high resolution observations from the High Resolution Telescopes (HRI-EUV and HRI-Lyα) of the Extreme…