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Numerous magnetohydrodynamic oscillations have been reported within solar pores over the past decades, including in line-of-sight (LOS) velocities, intensities, and magnetic field strengths. Our aim is to identify whether high-amplitude…

太阳与恒星天体物理 · 物理学 2021-10-13 C. J. Nelson , R. J. Campbell , M. Mathioudakis

We investigate the decayless regime of coronal kink oscillations recently discovered in the Solar Dynamics Observatory (SDO)/AIA data. In contrast to decaying kink oscillations that are excited by impulsive dynamical processes, this type of…

太阳与恒星天体物理 · 物理学 2015-11-18 S. A. Anfinogentov , V. M. Nakariakov , G. Nisticò

Observations of the Sun's off-limb white-light (WL) flares offer rare opportunities to study the energy release and transport mechanisms in flare loops. One of the best such events was SOL2017-09-10, an X8.2 flare that occurred near the…

太阳与恒星天体物理 · 物理学 2021-11-17 Junwei Zhao , Wei Liu , Jean-Claude Vial

A number of solar filaments/prominences demonstrate failed eruptions, when a filament at first suddenly starts to ascend and then decelerates and stops at some greater height in the corona. The mechanism of the termination of eruptions is…

太阳与恒星天体物理 · 物理学 2021-07-01 B. Filippov

We report an unusual set of observations of waves in a large prominence pillar which consist of pulses propagating perpendicular to the prominence magnetic field. We observe a huge quiescent prominence with the Solar Dynamics Observatory…

太阳与恒星天体物理 · 物理学 2015-06-17 B. Schmieder , T. A. Kucera , K. Knizhnik , M. Luna , A. Lopez-Ariste , D. Toot

We present the formation and eruption of a sigmoidal filament driven by rotating network magnetic fields (RNFs) near the center of the solar disk, which was observed by the one-meter aperture New Vacuum Solar Telescope (NVST) at Fuxian…

太阳与恒星天体物理 · 物理学 2021-01-20 Jun Dai , Haisheng Ji , Leping Li , Jun Zhang , Huadong Chen

Ocean submesoscales, flows with characteristic size around 10 m - 10 km, are transitional between the larger, rotationally-constrained mesoscale and three-dimensional turbulence. In this paper we present simulations of a submesoscale ocean…

流体动力学 · 物理学 2025-07-23 Erin Atkinson , James McWilliams , Nicolas Grisouard

A large polar-crown prominence composed of different segments spanning nearly the entire solar disk erupted on 2010 December 6. Prior to the eruption, the filament in the active region part splits into two layers: a lower layer and an…

太阳与恒星天体物理 · 物理学 2015-06-12 Yingna Su , Adriaan van Ballegooijen

In this paper, we report our multi-angle observations of the transverse oscillation of a prominence and a filament induced by an EUV wave originating from the farside of the Sun on 2014 September 1. The prominence oscillation was…

太阳与恒星天体物理 · 物理学 2024-01-30 Yanjie Zhang , Qingmin Zhang , De-chao Song , Haisheng Ji

Studying the dynamics of filaments at pre-eruption phase can shed light on the precursor of eruptive events. Such studies in high-resolution (in the order of 0.1") are highly desirable yet very rare so far. In this work, we present a…

太阳与恒星天体物理 · 物理学 2017-06-14 Qin Li , Na Deng , Ju Jing , Haimin Wang

We present a study on the evolution of the small scale velocity field in a solar filament as it approaches to the eruption. The observation was carried out by the Solar Dynamics Doppler Imager (SDDI) that was newly installed on the Solar…

太阳与恒星天体物理 · 物理学 2017-07-26 Daikichi Seki , Kenichi Otsuji , Hiroaki Isobe , Takako T. Ishii , Takahito Sakaue , Kumi Hirose

We investigate two sympathetic filament eruptions observed by the New Vacuum Solar Telescope (NVST) on 2015 October 15. The full picture of the eruptions is obtained from the corresponding SDO/AIA observations. The two filaments start from…

太阳与恒星天体物理 · 物理学 2018-03-19 Shangwei Li , Yingna Su , Tuanhui Zhou , Adriaan van Ballegooijen , Xudong Sun , Haisheng Ji

We present stereoscopic observations of six sequent eruptions of a filament in the active region NOAA 11045 on 2010 Feb 8, with the advantage of the STEREO twin viewpoints in combination with the earth viewpoint from SOHO instruments and…

太阳与恒星天体物理 · 物理学 2011-06-09 Yuandeng Shen , Yu Liu , Rui Liu

The most energetic flares start with a filament rise followed by magnetic reconnection below this filament. The start of the reconnection corresponds to the beginning of the flare impulsive phase. In this paper we study processes before…

太阳与恒星天体物理 · 物理学 2020-04-02 Marian Karlicky , Jana Kasparova , Robert Sych

The first spectroscopic observations of cool Mg II loops above the solar limb observed by NASA's Interface Region Imaging Spectrograph ({\it IRIS}; \cite{IRIS}) are presented. During the observation period IRIS is pointed off-limb allowing…

太阳与恒星天体物理 · 物理学 2014-09-02 L. K. Harra , S. A. Matthews , D. M. Long , G. A. Doschek , B. De Pontieu

In this paper, we report the multiwavelength observations of the partial filament eruption associated with a C1.2 class flare in NOAA active region 11236 on 13 June 2011. The event occurred at the eastern limb in the field of view (FOV) of…

太阳与恒星天体物理 · 物理学 2022-10-13 Yanjie Zhang , Qingmin Zhang , Jun Dai , Dong Li , Haisheng Ji

Solar filaments often exhibit rotation and deflection during eruptions, which would significantly affect the geoeffectiveness of the corresponding coronal mass ejections (CMEs). Therefore, understanding the mechanisms that lead to such…

太阳与恒星天体物理 · 物理学 2023-08-21 Jinhan Guo , Ye Qiu , Yiwei Ni , Yang Guo , Chuan Li , Yuhang Gao , Brigitte Schmieder , Stefaan Poedts , Pengfei Chen

Kinematics of solar eruptive filaments is one of the important diagnostic parameters for predicting whether solar eruptions would induce geomagnetic storms. Particularly, some geomagnetic storms might be induced by solar filament eruptions…

太阳与恒星天体物理 · 物理学 2025-08-26 Ye Qiu , Yang Guo , Mingde Ding , Chuan Li , Linggao Kong , Zhen Li

How filaments form and erupt are topics about which solar researchers have wondered since more than a century and that are still open to debate. We present observations of a filament formation, its failed eruption, and the associated flare…