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The launch of the Hinode satellite has allowed for seeing-free observations at high-resolution and high-cadence making it well suited to study the dynamics of quiescent prominences. In recent years it has become clear that quiescent…

Solar and Stellar Astrophysics · Physics 2015-06-17 A. Hillier , R. J. Morton , R. Erdélyi

Solar prominences, intricate structures on the Sun's limb, have been a subject of fascination due to their thread-like features and dynamic behaviors. Utilizing data from the New Vacuum Solar Telescope (NVST), Chinese H_alpha Solar Explorer…

Solar and Stellar Astrophysics · Physics 2024-04-05 Jincheng Wang , Dong Li , Chuan Li , Yijun Hou , Zhike Xue , Zhe Xu , Liheng Yang , Qiaoling Li

Fine-structure dynamics in solar prominences holds critical clues to understanding their physical nature of significant space-weather implications. We report evidence of rotational motions of horizontal helical threads in two active-region…

Solar and Stellar Astrophysics · Physics 2016-11-09 Takenori J. Okamoto , Wei Liu , Saku Tsuneta

Given the difficulty in directly determining prominence physical parameters from observations, prominence seismology stands as an alternative method to probe the nature of these structures. We show recent examples of the application of…

Solar and Stellar Astrophysics · Physics 2012-01-24 I. Arregui , J. L. Ballester , R. Oliver , R. Soler , J. Terradas

From recent high resolution observations obtained with the Swedish 1 m Solar Telescope in La Palma, we detect swaying motions of individual filament threads in the plane of the sky. The oscillatory character of these motions are comparable…

Solar and Stellar Astrophysics · Physics 2014-11-20 Y. Lin , R. Soler , O. Engvold , J. L. Ballester , Ø. Langangen , R. Oliver , L. H. M. Rouppe van der Voort

High resolution observations have permitted to resolve the solar prominences/filaments as sets of threads/fibrils. However, the values of the physical parameters of these threads and their structuring remain poorly constrained. We use…

Solar and Stellar Astrophysics · Physics 2019-02-06 M. Montes-Solís , I. Arregui

Transverse oscillations of thin threads in solar prominences are frequently reported in high-resolution observations. Two typical features of the observations are that the oscillations are damped in time and that simultaneous mass flows…

Solar and Stellar Astrophysics · Physics 2015-06-11 R. Soler , M. S. Ruderman , M. Goossens

Phase mixing of standing continuum Alfv\'en waves and/or continuum slow waves in atmospheric magnetic structures such as coronal arcades can create the apparent effect of a wave propagating across the magnetic field. We observe a prominence…

Solar and Stellar Astrophysics · Physics 2017-06-28 J. O. Raes , T. Van Doorsselaere , M. Baes , A. N. Wright

Solar prominences are cool 10$^4$ Kelvin plasma clouds supported in the surrounding 10$^6$ Kelvin coronal plasma by as-yet undetermined mechanisms. Observations from \emph{Hinode} show fine-scale threadlike structures oscillating in the…

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 transverse oscillations of two different prominences located at the…

Solar and Stellar Astrophysics · Physics 2022-08-17 Pooja Devi , Ramesh Chandra , Reetika Joshi , P. F. Chen , Brigitte Schmieder , Wahab Uddin , Yong-Jae Moon

Using advanced numerical magneto-hydrodynamic simulations of the magnetised solar photosphere, including non-grey radiative transport and a non-ideal equation of state, we analyse plasma motions in photospheric magnetic vortices. We…

Solar and Stellar Astrophysics · Physics 2015-06-17 S. Shelyag , P. S. Cally , A. Reid , M. Mathioudakis

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…

Solar and Stellar Astrophysics · Physics 2015-06-17 B. Schmieder , T. A. Kucera , K. Knizhnik , M. Luna , A. Lopez-Ariste , D. Toot

We study recent observations of propagating fluctuations in a prominence foot with Hinode Solar Optical Telescope (SOT) high-resolution observations in Ca~II and H alpha emission which we identify as nonlinear fast magnetosnic waves. Here…

Solar and Stellar Astrophysics · Physics 2020-08-26 Leon Ofman , Therese A. Kucera

Filament longitudinal oscillations have been observed on the solar disk in H$\alpha$. We intend to find an example of the longitudinal oscillations of a prominence, where the magnetic dip can be seen directly, and examine what is the…

Solar and Stellar Astrophysics · Physics 2015-06-04 Qingmin Zhang , Pengfei Chen , Chun Xia , Rony Keppens

Recent observations by Hinode/SOT show that MHD waves and mass flows are simultaneously present in the fine structure of solar prominences. We investigate standing kink magnetohydrodynamic (MHD) waves in flowing prominence threads from a…

Solar and Stellar Astrophysics · Physics 2015-05-28 Roberto Soler , Marcel Goossens

Small-scale, cyclic, transverse motions of plasma threads are usually seen in solar prominences, which are often interpreted as magnetohydrodynamic (MHD) waves. Here, we observed small-scale decayless transverse oscillations in a quiescent…

Solar and Stellar Astrophysics · Physics 2022-01-20 Dong Li , Jianchao Xue , Ding Yuan , Zongjun Ning

We present observations of transverse oscillations in slender Ca II H fibrils (SCFs) in the lower solar chromosphere. We use a 1 hr long time series of high- (spatial and temporal-) resolution seeing-free observations in a 0.11 nm wide…

Continuous observations were obtained of active region 10953 with the Solar Optical Telescope (SOT) on board the \emph{Hinode} satellite during 2007 April 28 to May 9. A prominence was located over the polarity inversion line (PIL) in the…

We present the first stereoscopic and Doppler observations of simultaneous transverse oscillations of a prominence and a filament and longitudinal oscillation of another filament launched by a single shock wave. Using H-alpha Doppler…

Solar and Stellar Astrophysics · Physics 2015-06-22 Yuandeng Shen , Ying D. Liu , P. F. Chen , Kiyoshi Ichimoto

We analyze flare-associated transverse oscillations in a quiescent solar prominence on 8-9 September, 2010. Both the flaring active region and the prominence were located near the West limb, with a favorable configuration and viewing angle.…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sanjay Gosain , Claire Foullon
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