English
Related papers

Related papers: A statistical study of transverse oscillations in …

200 papers

Recent observations with the Hinode Solar Optical Telescope display an active region prominence whose fine threads oscillate in the vertical direction as they move along a path parallel to the photosphere. A seismological analysis of this…

Astrophysics · Physics 2009-11-13 J. Terradas , I. Arregui , R. Oliver , J. L. Ballester

Since the first reports of oscillations in prominences in 1930s there have been major theoretical and observational advances to understand the nature of these oscillatory phenomena leading to a whole new field of so called "prominence…

Solar and Stellar Astrophysics · Physics 2014-11-20 D. Tripathi , H. Isobe , R. Jain

Quiescent prominences are thin slabs of cold, dense plasma embedded in the much hotter and rarer solar corona. Although their global shape is rather irregular, they are often characterised by an internal structure consisting of a large…

Solar and Stellar Astrophysics · Physics 2010-02-23 R. Oliver

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

Quiescent prominences host a diverse range of flows, including Rayleigh-Taylor instability driven upflows and impulsive downflows, and so it is no surprise that turbulent motions also exist. As prominences are believed to have a mean…

Solar and Stellar Astrophysics · Physics 2017-01-18 Andrew Hillier , Takeshi Matsumoto , Kiyoshi Ichimoto

We study nonlinear waves in a prominence foot using 2.5D MHD model motivated by recent high-resolution observations with Hinode/SOT in Ca~II emission of a prominence on October 10, 2012 showing highly dynamic small-scale motions in the…

Solar and Stellar Astrophysics · Physics 2015-11-11 Leon Ofman , Kalman Knizhnik , Therese Kucera , Brigitte Schmieder

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

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 study the nature of quiet-Sun oscillations using multi-wavelength observations from TRACE, Hinode, and SOHO. The aim is to investigate the existence of propagating waves in the solar chromosphere and the transition region via analyzing…

Solar and Stellar Astrophysics · Physics 2012-09-27 G. R. Gupta , S. Subramanian , D. Banerjee , M. S. Madjarska , J. G. Doyle

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

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

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

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

Context. In previous work, we studied a prominence which appeared like a tornado in a movie made from 193 {\AA} filtergrams obtained with the Atmospheric Imaging Assembly (AIA) imager aboard the Solar Dynamics Observatory (SDO). The…

Solar and Stellar Astrophysics · Physics 2019-03-27 M. Zapiór , B. Schmieder , P. Mein , N. Mein , N. Labrosse , M. Luna

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

Context. A large prominence was observed on September 24, 2013, for three hours (12:12 UT -15:12 UT) with the newly launched (June 2013) Interface Region Imaging Spectrograph (IRIS), THEMIS (Tenerife), the Hinode Solar Optical Telescope…

Solar and Stellar Astrophysics · Physics 2014-10-01 Brigitte Schmieder , Hui Tian , Arturo Lopez Ariste , Nicole Mein , Pierre Mein , Kevin Dalmasse , Leon Golub

Context. Different modes of oscillations are frequently observed in solar prominences/filaments, and prominence seismology helps estimate important physical parameters like the magnetic field strength. Although the simultaneous detection of…

Solar and Stellar Astrophysics · Physics 2026-01-07 Upasna Baweja , Vaibhav Pant , Iñigo Arregui , M. Saleem Khan

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

Developing an understanding of how magnetic fields can become entangled in a prominence is important for predicting a possible eruption. This work investigates the kinetic energy and vorticity associated with plasma motion residing inside…

Solar and Stellar Astrophysics · Physics 2016-02-12 M. S. Freed , D. E. McKenzie , D. W. Longcope , M. Wilburn

The effects of finite amplitudes on the transverse oscillations of a quiescent prominence represented by a magnetic rope are investigated in terms of the model proposed by Kolotkov et al. 2016. We consider a weakly nonlinear case governed…

Solar and Stellar Astrophysics · Physics 2018-03-15 Dmitrii Y. Kolotkov , Giuseppe Nistico , George Rowlands , Valery M. Nakariakov
‹ Prev 1 2 3 10 Next ›