126 citations · 1k across the 34 of their papers we have counts for
36 papers
Kinematic Relationship Between Solar Extreme Ultraviolet Waves and Type II Metric Radio Bursts
Ramesh Chandra, Apoorv Dashora, P. F. Chen +1
Solar extreme-ultraviolet (EUV) waves are large-scale disturbances that manifest as bright wavefronts, often during coronal mass ejections (CMEs). According to the magnetic field l…
A Modern ConvNet for Solar Filament Detection
J. R. Hu, Q. Hao, Z. Zheng +3
Automated solar filament detection using deep learning faces several challenges. Semantic segmentation of solar filaments is a complicated multiscale feature extraction task with l…
Explainable AI for Solar Flare Prediction: Quantitative Magnetic Field Analysis of Model-Focused Regions
Z. Zheng, Q. Hao, C. Li +4
Solar flares are intense energy release events in the solar atmosphere that may pose significant space weather hazards, which makes developing reliable prediction models essential.…
A Compact, Ultra-High Resolution VIPA Spectrograph for Solar Spectroscopic Observations: Astrocomb Characterization and First Light
Yutao Wang, Xiaoming Zhu, Xiaoli Yan +4
We present a compact, high spectral resolution prototype spectrograph based on a Virtually Imaged Phased Array (VIPA), which is designed for solar spectral observations. This fiber…
An Improved HDBSCAN-based Detection and Tracking Method for Solar Active Regions in Magnetograms
C. X. Shi, Q. Hao, P. F. Chen +1
Solar active regions (ARs) are the primary source of solar eruptions and space weather. Accurate detection and tracking of ARs is crucial for understanding their evolution and pred…
On the Constraints and Observational Manifestations of Failed Solar Eruptions in Toroidal Magnetic Cage
Jinhan Guo, Y. Guo, H. Wu +9
Observations show that many solar eruptions remain confined within strong overlying magnetic fields, forming a so-called magnetic cage. While confinement by poloidal overlying fiel…
Dependence of the intensity of the nonwave component of EUV waves on coronal magnetic field configuration
Yuwei Li, J. H. Guo, Y. W. Ni +2
Context. Mounting evidence has shown that EUV waves consist of a fast-mode magnetohydrodynamic (MHD) wave (or shock wave) followed by a slower nonwave component, as predicted by th…
The magnetic origin of the mystery of rare H Moreton waves
Ze Zhong, Yao Chen, Y. W. Ni +4
Over the past three decades, a lot of coronal fast-mode waves were detected by space missions, but their counterparts in the chromosphere, called the Moreton waves, were rarely cap…
How coronal mass ejections are influenced by the morphology and toroidal flux of their source magnetic flux ropes?
J. H. Guo, L. Linan, S. Poedts +9
Coronal mass ejections (CMEs) stand as intense eruptions of magnetized plasma from the Sun, playing a pivotal role in driving significant changes of the heliospheric environment. D…
Direct evidence of hybrid nature of EUV waves and the reflection of the fast-mode wave
Ramesh Chandra, P. F. Chen, Pooja Devi
We performed an analysis of the extreme-ultraviolet (EUV) wave event on 2022 March 31. The event originated from active region (AR) 12975 located at N13W52 in the field of view of…
Statistical Analyses of Solar Prominences and Active Region Features in 304 Å Filtergrams detected via Deep Learning
T. Zhang, Q. Hao, P. F. Chen
Solar active regions (ARs) are areas on the Sun with very strong magnetic fields where various activities take place. Prominences are one of the typical solar features in the solar…
Evaluating residual acceleration noise for TianQin gravitational waves observatory with an empirical magnetic field model
Wei Su, Ze-Bing Zhou, Yan Wang +6
TianQin (TQ) project plans to deploy three satellites in space around the Earth to measure the displacement change of test masses caused by gravitational waves via laser interferom…
Modelling the propagation of coronal mass ejections with COCONUT: implementation of the Regularized Biot-Savart Laws flux rope model
Jinhan Guo, L. Linan, S. Poedts +8
Context: Coronal mass ejections (CMEs) are rapid eruptions of magnetized plasma that occur on the Sun, which are known as the main drivers of adverse space weather. Accurately trac…
Data-driven Modeling of a Coronal Magnetic Flux Rope: from Birth to Death
J. H. Guo, Y. W. Ni, Y. Guo +7
Magnetic flux ropes are a bundle of twisted magnetic field lines produced by internal electric currents, which are responsible for solar eruptions and are the major drivers of geom…
Observational Characteristics of solar EUV waves
Ramesh Chandra, Pooja Devi, P. F. Chen +4
Extreme-ultraviolet (EUV) waves are one of the large-scale phenomena on the Sun. They are defined as large propagating fronts in the low corona with speeds ranging from a few tens…
Data-constrained Magnetohydrodynamic Simulation of an Intermediate Solar Filament Eruption
Yang Guo, Jinhan Guo, Yiwei Ni +5
Solar eruptive activities could occur in weak magnetic field environments and over large spatial scales, especially relevant to eruptions involving intermediate or quiescent solar…
Decayless longitudinal oscillations of a solar filament maintained by quasi-periodic jets
Y. W. Ni, J. H. Guo, Q. M. Zhang +3
Context: As a ubiquitous phenomenon, large-amplitude longitudinal filament oscillations usually decay in 1--4 periods. Recently, we observed a decayless case of such oscillations i…
Prominence Oscillations activated by an EUV wave
Pooja Devi, Ramesh Chandra, Reetika Joshi +4
Prominence oscillations are one of interesting phenomena in the solar atmosphere, which can be utilized to infer the embedded magnetic field magnitude. We present here the transver…
Solar Magnetic Flux Rope Eruption Simulated by a Data-Driven Magnetohydrodynamic Model
Yang Guo, Chun Xia, Rony Keppens +2
The combination of magnetohydrodynamic (MHD) simulation and multi-wavelength observations is an effective way to study mechanisms of magnetic flux rope eruption. We develop a data-…
Three-dimensional MHD Simulations of Solar Prominence Oscillations in a Magnetic Flux Rope
Yu-Hao Zhou, C. Xia, R. Keppens +2
Solar prominences are subject to all kinds of perturbations during their lifetime, and frequently demonstrate oscillations. The study of prominence oscillations provides an alterna…
Solar Filament Longitudinal Oscillations along a Magnetic Field Tube with Two Dips
Yu-Hao Zhou, Li-Yue Zhang, Y. Ouyang +2
The large-amplitude longitudinal oscillations of solar filaments have been observed and explored for more than ten years. Previous studies are mainly based on the one-dimensional r…
Magnetic separatrix as the source region of the plasma supply for an active-region filament
P. Zou, C. Fang, P. F. Chen +2
Solar filaments can be formed via chromospheric evaporation followed by condensation in the corona or by the direct injection of cool plasma from the chromosphere to the corona. In…
Chirality and Magnetic Configurations of Solar Filaments
Y. Ouyang, Y. H. Zhou, P. F. Chen +1
It has been revealed that the magnetic topology in the solar atmosphere displays hemispheric preference, i.e., negative/positive helicity in the northern/southern hemisphere, respe…
Investigating the Conditions of the Formation of a Type II Radio Burst on 2014 January 8
W. Su, X. Cheng, M. D. Ding +3
It is believed that type II radio bursts are generated by shock waves. In order to understand the generation conditions of type II radio bursts, in this paper, we analyze the physi…