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Quasi-periodic, fast-mode, propagating wave trains (QFPs) are a new observational phenomenon recently discovered in the solar corona by the Solar Dynamics Observatory with extreme ultraviolet (EUV) imaging observations. They originate from…

Solar and Stellar Astrophysics · Physics 2016-04-20 Wei Liu , Leon Ofman , Brittany Broder , Marian Karlicky , Cooper Downs

We propose a mechanism for the excitation of large-scale quasi-periodic fast-propagating magnetoacoustic (QFP) waves observed on both sides of the coronal mass ejection (CME). Through a series of numerical experiments, we successfully…

Solar and Stellar Astrophysics · Physics 2023-12-29 Jialiang Hu , Jing Ye , Yuhao Chen , Zhixing Mei , Zehao Tang , Jun Lin

On 2011 May 30, quasi-periodic fast propagating (QFP) magnetosonic waves accompanied by a C2.8 flare were directly imaged by the Atomospheric Imaging Assembly instrument on board the Solar Dynamics Observatory. The QFP waves successively…

Solar and Stellar Astrophysics · Physics 2015-06-04 Yuandeng Shen , Yu Liu

Since their discovery by SDO/AIA in EUV, rapid (phase speeds of 1000 km/s), quasi-periodic, fast-mode propagating wave trains (QFPs) have been observed accompanying many solar flares. They typically propagate in funnel-like structures…

Solar and Stellar Astrophysics · Physics 2018-06-27 Leon Ofman , Wei Liu

We present an observational study of a quasi-periodic fast propagating (QFP) magnetosonic wave on 2012, April 23. The multiple wave trains were observed along an active region open loop system which has a divergence geometry. The wave…

Solar and Stellar Astrophysics · Physics 2015-06-16 Y. D. Shen , Y. Liu , J. T. Su , H. Li , X. F. Zhang , Z. J. Tian , R. J. Zhao , A. Elmhamdi

Employing Solar Dynamics Observatory/Atmospheric Imaging Assembly (AIA) multi-wavelength images, we have presented coronal condensations caused by magnetic reconnection between a system of open and closed solar coronal loops. In this…

Solar and Stellar Astrophysics · Physics 2019-01-16 Leping Li , Jun Zhang , Peter Hardi , Lakshmi Pradeep Chitta , Jiangtao Su , Hongqiang Song , Chun Xia , Yijun Hou

Using high temporal and high spatial resolution observations taken by the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory, we present the detailed observational analysis of a high quality quasi-periodic fast- propagating…

Solar and Stellar Astrophysics · Physics 2018-01-31 Yuandeng Shen , Yu Liu , Tengfei Song , Zhanjun Tian

Quasi-periodic fast propagating (QFP) waves are often excited by solar flares, and could be trapped in the coronal structure with low Alfv\'en speed, so they could be used as a diagnosing tool for both the flaring core and magnetic…

Solar and Stellar Astrophysics · Physics 2021-03-03 Yuhu Miao , Dong Li , Ding Yuan , Chaowei Jiang , Abouazza Elmhamdi , Mingyu Zhao , Sergey Anfinogentov

Quasi-periodic fast propagating magnetosonic waves (QFPs) were discovered in the solar corona in EUV since the launch of SDO spacecraft more than a decade ago. The QFP waves are associated with flares and coronal mass ejections (CMEs)…

Solar and Stellar Astrophysics · Physics 2026-04-21 Leon Ofman , Tongjiang Wang , Xudon Sun , Meng Jin

Quasi-periodic fast-propagating (QFP) wave trains are a distinctive form of magnetohydrodynamic disturbance frequently observed in the solar corona. Yet their excitation mechanism and propagation characteristics are not well understood. In…

Solar and Stellar Astrophysics · Physics 2026-03-17 Tongjiang Wang , Wei Liu , Leon Ofman , Xudong Sun , Meng Jin

Quasi-periodic fast-propagating (QFP) magnetosonic waves and extreme ultraviolet (EUV) waves were proposed to be driven by solar flares and coronal mass ejections (CMEs), respectively. In this Letter, we present a detailed analysis of an…

Solar and Stellar Astrophysics · Physics 2019-01-18 Y. H. Miao , Y. Liu , Y. D. Shen , H. B. Li , Z. Z. Abidin , A. Elmhamdi , A. S. Kordi

Observations revealed that various kinds of oscillations are excited in solar flare regions. Quasi-periodic pulsations (QPPs) in the flare emissions are commonly observed in a wide range of wavelengths. Recent observations have found that…

Solar and Stellar Astrophysics · Physics 2016-07-01 Shinsuke Takasao , Kazunari Shibata

Large-scale Extreme-ultraviolet (EUV) waves are frequently observed as an accompanying phenomenon of flares and coronal mass ejections (CMEs). Previous studies mainly focus on EUV waves with single wavefronts that are generally thought to…

Solar and Stellar Astrophysics · Physics 2022-05-11 Xinping Zhou , Yuandeng Shen , Ying D. Liu , Huidong Hu , Jiangtao Su , Zehao Tang , Chengrui Zhou , Yadan Duan , Song Tan

The observational analysis is performed to study the excitation mechanism and the propagation properties of a quasi-periodic fast-propagating (QFP) magnetosonic wave. The QFP wave was associated with the eruption of a nearby mini-filament…

Solar and Stellar Astrophysics · Physics 2018-05-02 Yuandeng Shen , Tengfei Song , Yu Liu

QFP wave trains in the corona have been studied intensively in the past decade, thanks to the full-disk, high spatiotemporal resolution, and wide-temperature coverage observations taken by the SDO/AIA. In AIA observations, QFP wave trains…

Solar and Stellar Astrophysics · Physics 2022-02-23 Yuandeng Shen , Xinping Zhou , Yadan Duan , Zehao Tang , Chengrui Zhou , Song Tan

Coronal waves exist ubiquitously in the solar atmosphere. They are important not only in their own rich physics but also essential candidates of triggering magnetic eruptions in the remote. However, the later mechanism has never been…

Solar and Stellar Astrophysics · Physics 2021-01-06 Guiping Zhou , Guannan Gao , Jingxiu Wang , Jun Lin , Yingna Su , Chunlan Jin , Yuzong Zhang

Quasi-periodic fast-propagating (QFP) magnetosonic wave trains are commonly observed in the low corona at extreme ultraviolet wavelength bands. Here, we report the first white-light imaging observation of a QFP wave train propagating…

Solar and Stellar Astrophysics · Physics 2022-09-14 Yuandeng Shen , Surui Yao , Zehao Tang , Xinping Zhou , Zhining Qu , Yadan Duan , Chengrui Zhou , Song Tan

In eruptive solar flares, termination shocks (TSs), formed when high-speed reconnection outflows collide with closed dense flaring loops, are believed to be one of the possible candidates for plasma heating and particle acceleration. In…

Solar and Stellar Astrophysics · Physics 2018-12-26 Chengcai Shen , Xiangliang Kong , Fan Guo , John C. Raymond , Bin Chen

About the driven mechanisms of the quasi-periodic fast-propagating (QFP) wave trains, there exist two dominant competing physical explanations: associated with the flaring energy release or attributed to the waveguide dispersion. Employing…

Solar and Stellar Astrophysics · Physics 2022-12-21 Xinping Zhou , Yuandeng Shen , Hongfei Liang , Zhining Qu , Yadan Duan , Zehao Tang , Chengrui Zhou , Song Tan

Multiwavelength observations of the propagating disturbances (PDs), discovered by Atmospheric Imaging Assembly (AIA) onboard Solar Dynamics Observatory (SDO), are analyzed to determine its driving mechanism and physical nature. Two magnetic…

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