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Related papers: Prominence seismology using small amplitude oscill…

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In this paper we present a numerical study of the time evolution of solar prominences embedded in sheared magnetic arcades. The prominence is represented by a density enhancement in a background stratified atmosphere and is connected to the…

Solar and Stellar Astrophysics · Physics 2015-06-23 J. Terradas , R. Soler , M. Luna , R. Oliver , J. L. Ballester

This series of papers investigates the dynamic interior of a quiescent prominence revealed by recent {\it Hinode} and {\it SDO/AIA} high-resolution observations. This first paper is a study of the static equilibrium of the…

Solar and Stellar Astrophysics · Physics 2015-06-04 B. C. Low , T. Berger , R. Casini , W. Liu

Prominence plumes are evacuated upflows that emerge from bubbles below prominences, whose formation mechanism is still unclear. Here we present a detailed study of plumes in a quiescent prominence using the high-resolution H-alpha…

Solar and Stellar Astrophysics · Physics 2021-09-07 Jian-Chao Xue , Jean-Claude Vial , Yang Su , Hui Li , Zhi Xu , Ying-Na Su , Tuan-Hui Zhou , Zhen-Tong Li

Solar wind is probably the best laboratory to study turbulence in astrophysical plasmas. In addition to the presence of magnetic field, the differences with neutral fluid isotropic turbulence are: weakness of collisional dissipation and…

Solar and Stellar Astrophysics · Physics 2015-06-16 Olga Alexandrova , Christopher H. K. Chen , Luca Sorriso-Valvo , Timothy S. Horbury , Stuart D. Bale

In this chapter we review observations and techniques for measuring both bulk flows in prominences and prominence mass. Measuring these quantities is essential to development and testing of models discussed throughout this book. Prominence…

Solar and Stellar Astrophysics · Physics 2015-02-04 T. A. Kucera

Context. Large-amplitude oscillations (LAOs) of the solar prominences are very spectacular but poorly understood phenomena. These motions have amplitudes larger than $10 {\mathrm{\, km \,s^{-1}}}$ and can be triggered by the external…

Solar and Stellar Astrophysics · Physics 2020-05-20 Valeriia Liakh , Manuel Luna , Elena Khomenko

The eruption of solar filaments, also known as prominences appearing off-limb, is a common phenomenon in the solar atmosphere. It ejects massive plasma and high-energy particles into interplanetary space, disturbing the solar-terrestrial…

Solar and Stellar Astrophysics · Physics 2024-01-31 Ye Qiu , Chuan Li , Yang Guo , Zhen Li , Mingde Ding , Linggao Kong

Observations of rapidly-rotating cool stars often show coronal slingshot prominences that remove mass and angular momentum when they are ejected. The derived masses of these prominences show a scatter of some two orders of magnitude. In…

Solar and Stellar Astrophysics · Physics 2022-05-16 Sarah J. Faller , Moira M. Jardine

Starting from a realistically sheared magnetic arcade connecting chromospheric, transition region to coronal plasma, we simulate the in-situ formation and sustained growth of a quiescent prominence in the solar corona. Contrary to previous…

Solar and Stellar Astrophysics · Physics 2015-06-04 Chun Xia , P. F. Chen , Rony Keppens

The interiors of quiescent prominences are filled with turbulent flows. The evolution of upflow plumes, descending pillars, and vortex motions has been clearly detected in high-resolution observations. The Rayleigh-Taylor instability is…

Solar and Stellar Astrophysics · Physics 2018-12-26 Takafumi Kaneko , Takaaki Yokoyama

Low amplitude is the defining characteristic of solar-like oscillations. The space projects $Kepler$ and $CoRoT$ give us a great opportunity to successfully detect such oscillations in numerous targets. Achievements of asteroseismology…

Solar and Stellar Astrophysics · Physics 2015-06-19 M. Yıldız , Z. Çelik Orhan , Ç. Aksoy , S. Ok

The solar wind is a magnetized and turbulent plasma. Its turbulence is often dominated by Alfv\'enic fluctuations and often deemed as nearly incompressible far away from the Sun, as shown by in-situ measurements near 1AU. However, for solar…

Solar and Stellar Astrophysics · Physics 2022-09-14 Xiangrong Fu , Hui Li , Zhaoming Gan , Senbei Du , John Steinberg

Prominences are incredibly dynamic across the whole range of their observable spatial scales, with observations revealing gravity-driven fluid instabilities, waves, and turbulence. With all these complex motions, it would be expected that…

Solar and Stellar Astrophysics · Physics 2018-09-05 Andrew Hillier , Vanessa Polito

We analyze solar quiescent prominence bubble characteristics and instability dynamics using Hinode/Solar Optical Telescope (SOT) data. We measure bubble expansion rate, prominence downflows, and the profile of the boundary layer brightness…

Solar and Stellar Astrophysics · Physics 2017-11-29 Thomas Berger , Andrew Hillier , Wei Liu

We review major achievements in our understanding of multiphase coronal plasma, where cool-dense and hot-tenuous matter coexists, brought about by advances in modeling and theory, inspired by observations. We give an overview of models that…

Solar and Stellar Astrophysics · Physics 2025-10-30 Rony Keppens , Yuhao Zhou , Chun Xia

Pulsational properties of 1.8 M$_{\odot}$ stellar models covering the latest stages of contraction toward the main sequence up to early hydrogen burning phases are investigated by means of linear nonadiabatic analyses. Results confirm that…

Astrophysics · Physics 2009-11-06 Marian Suran , MarieJo Goupil , Annie Baglin , Yveline Lebreton , Claude Catala

The knots in solar prominences are often observed to fall with nearly constant velocity, but the associated physical mechanism is currently not well understood. In this letter, we presented a prominence observed by New Vacuum Solar…

Solar and Stellar Astrophysics · Physics 2020-03-19 Yi Bi , Bo Yang , Tng Li , Yan Dong , Kaifan Ji

Longitudinal oscillations in prominences are common phenomena on the Sun. These oscillations can be used to infer the geometry and intensity of the filament magnetic field. Previous theoretical studies of longitudinal oscillations made two…

Solar and Stellar Astrophysics · Physics 2022-04-20 M. Luna , J. Terradas , J. Karpen , J. L. Ballester

The nature of flows in tornado-prominences is an open issue. While the AIA imager aboard the Solar Dynamics Observatory (SDO) allowed us to follow the global structure of a tornado-like prominence during five hours, the Interface Region…

Solar and Stellar Astrophysics · Physics 2021-09-15 Krzysztof Barczynski , Brigitte Schmieder , Aaron W. Peat , Nicolas Labrosse , Pierre Mein , Nicole Mein

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
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