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Solar filaments are dark structures on the solar disk, with an elongated spine and several barbs extending out from the spine. When appearing above the solar limb, a filament is called a prominence, with several feet extending down to the…

Solar and Stellar Astrophysics · Physics 2020-05-13 Y. Ouyang , P. F. Chen , S. Q. Fan , B. Li , A. A. Xu

We present high-resolution observations of a quiescent solar prominence which was consisted of a vertical and a horizontal foot encircled by an overlying spine, and counter-streaming mass flows were ubiquitous in the prominence. While the…

Solar and Stellar Astrophysics · Physics 2015-11-17 Yuandeng Shen , Yu Liu , Ying D. Liu , P. F. Chen , Jiangtao Su , Zhi Xu , Zhong Liu

The dense prominence material is believed to be supported against gravity through the magnetic tension of dipped coronal magnetic field. For quiescent prominences, which exhibit many gravity-driven flows, hydrodynamic forces are likely to…

Solar and Stellar Astrophysics · Physics 2015-06-15 Andrew Hillier , Adriaan van Ballegooijen

We present observational evidence of apparent plasma rotational motions in the feet of a solar prominence. Our study is based on spectroscopic observations taken in the He I 1083.0 nm multiplet with the Tenerife Infrared Polarimeter…

Solar and Stellar Astrophysics · Physics 2015-06-12 D. Orozco Suárez , A. Asensio Ramos , J. Trujillo Bueno

Solar prominences are clouds of cool plasma levitating above the solar surface and insulated from the million-degree corona by magnetic fields. They form in regions of complex magnetic topology, characterized by non-potential fields, which…

Solar and Stellar Astrophysics · Physics 2015-06-23 M. J. Martinez Gonzalez , R. Manso Sainz , A. Asensio Ramos , C. Beck , J. de la Cruz Rodriguez , A. J. Diaz

Su et al. 2012 proposed a new explanation for filament formation and eruption, where filament barbs are rotating magnetic structures driven by underlying vortices on the surface. Such structures have been noticed as tornado-like prominences…

Solar and Stellar Astrophysics · Physics 2015-06-18 Yang Su , Peter Gömöry , Astrid Veronig , Manuela Temmer , Tongjiang Wang , Kamalam Vanninathan , Weiqun Gan , Youping Li

Solar prominences are magnetic structures incarcerating cool and dense gas in an otherwise hot solar corona. Prominences can be categorized as quiescent and active. Their origin and the presence of cool gas (~$10^4$K) within the hot…

Solar and Stellar Astrophysics · Physics 2023-04-03 Swati Routh , Snehanshu Saha , Atul Bhat , M. N. Sundar

Prominence seismology, applied to the large-amplitude longitudinal oscillation, is used to indirectly diagnose the geometry and strength of the magnetic fields inside the prominence. In this paper, combining imaging and spectroscopic data,…

Solar and Stellar Astrophysics · Physics 2025-10-27 Jun Dai , Ayumi Asai , Dechao Song , Ye Qiu , Zhe Xu

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

Solar prominences, or solar filaments, are cool and dense plasma structures in the hot solar corona, whose formation mechanisms have remained a fundamental challenge in solar physics. This review provides a comprehensive overview of the…

Solar and Stellar Astrophysics · Physics 2025-11-19 Yuhao Zhou

Observations of solar prominences reveal a complex, dynamic flow field within them. The flow field within quiescent prominences is characterized by long ``threads'' and dark ``bubbles'' that fall and rise (respectively) in a thin sheet. The…

Solar and Stellar Astrophysics · Physics 2012-01-23 Neal Hurlburt , Thomas Berger

Solar prominences and filaments (prominences projected against the solar disk) exhibit a large variety of fine structures which are well observed down to the resolution limit of ground-based telescopes. We describe the morphological aspects…

Astrophysics · Physics 2007-05-23 P. Heinzel

A solar filament is a dense cool condensation that is supported and thermally insulated by magnetic fields in the rarefied hot corona. Its evolution and stability, leading to either an eruption or disappearance, depend on its coupling with…

Solar and Stellar Astrophysics · Physics 2019-07-04 L. P. Chitta , H. Peter , L. Li

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

Solar prominences are long-lived cool and dense plasma curtains in the hot and rarefied outer solar atmosphere or corona. The physical mechanism responsible for their formation and especially for their internal plasma circulation has been…

Solar and Stellar Astrophysics · Physics 2016-05-25 Chun Xia , Rony Keppens

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

We analyze the characteristics of a quiescent polar prominence using the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO). Initially, small-scale barb-like structures are evident on the solar disk, which…

Solar and Stellar Astrophysics · Physics 2020-12-09 Sudheer K. Mishra , Abhishek K. Srivastava , P. F. Chen

Prominence bubbles are cavities rising into quiescent prominences from below. The bubble-prominence interface is often the active location for the formation of plumes, which flow turbulently into quiescent prominences. Not only the origin…

Solar and Stellar Astrophysics · Physics 2020-01-01 Arun Kumar Awasthi , Rui Liu

Solar prominences are very spectacular structures embedded in the tenuous and hot solar corona. The counterstreaming flows, a common feature in solar quiescent prominences, have been discovered for more than twenty years. However, the…

Solar and Stellar Astrophysics · Physics 2025-02-07 X. L. Yan , Z. K. Xue , J. C. Wang , P. F. Chen , K. F. Ji , C. Xia , L. H. Yang , D. F. Kong , Z. Xu , Y. A. Zhou , Q. L. Li

Recent high-resolution and high-cadence observations have surprisingly suggested that prominence barbs exhibit apparent rotating motions suggestive of a tornado-like structure. Additional evidence has been provided by Doppler measurements.…

Solar and Stellar Astrophysics · Physics 2015-08-06 Manuel Luna , Fernando Moreno-Insertis , Eric Priest
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