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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

Movies of prominences obtained by space instruments e.g. the Solar Optical Telescope (SOT) aboard the {\it Hinode} satellite and the Interface Region Imaging Spectrograph (IRIS) with high temporal and spatial resolution revealed the…

Solar and Stellar Astrophysics · Physics 2017-10-04 B. Schmieder , M. Zapiór A. López Ariste , P. Levens , N. Labrosse , R. Gravet

We report a chromospheric jet lasting for more than 1 hr observed by Hinode Solar Optical Telescope in unprecedented detail. The ejection occurred in three episodes separated by 12-14 min, with the amount and velocity of material decreasing…

Solar and Stellar Astrophysics · Physics 2012-08-17 Wei Liu , Thomas E. Berger , Alan M. Title , Theodore D. Tarbell

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

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

We present high-resolution observations of two kinds of dynamic behavior in a quiescent prominence using the New Vacuum Solar Telescope, i.e., Kelvin-Helmholtz instabilities (KHIs) and small-scale oscillations. The KHIs were identified as…

Solar and Stellar Astrophysics · Physics 2018-08-29 Dong Li , Yuandeng Shen , Zongjun Ning , Qingmin Zhang , Tuanhui Zhou

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

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

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…

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

Solar tornadoes are dark vertical filamentary structures observed in the extreme ultraviolet associated with prominence legs and filament barbs. Their true nature and relationship to prominences requires understanding their magnetic…

Solar and Stellar Astrophysics · Physics 2016-07-20 M. J. Martinez Gonzalez , A. Asensio Ramos , I. Arregui , M. Collados , C. Beck , J. de la Cruz Rodriguez

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

We report the first observation of multiple-periodic propagating disturbances along a fan-like coronal structure simultaneously detected in both intensity and Doppler shift in the Fe XII 195 A line with the EUV Imaging Spectrometer (EIS)…

Solar and Stellar Astrophysics · Physics 2010-11-11 T. J. Wang , L. Ofman , J. M. Davila , J. T. Mariska

Multi-wavelength observations of prominence eruptions provide an opportunity to uncover the physical mechanism of the triggering and the evolution process of the eruption. In this paper, we investigated an erupting prominence on October 14,…

Solar and Stellar Astrophysics · Physics 2020-10-07 Haiqing Xu , Jiangtao Su , Jie Chen , Guiping Ruan , Arun Kumar Awasthi , Hongqi Zhang , Mei Zhang , Kaifan Ji , Yuzong Zhang , Jiajia Liu

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

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

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

During 2011/09/24, as observed by the Atmospheric Imaging Assembly (AIA) instrument of the Solar Dynamic Observatory (SDO) and ground-based \Ha\ telescopes, a prominence and associated cavity appeared above the southwest limb. On 2011/09/25…

Solar and Stellar Astrophysics · Physics 2015-06-05 Xing Li , Huw Morgan , Drew Leonard , Lauren Jeska

The dynamics of prominence fine structures is a challenge to understand the formation of cool plasma prominence embedded in the hot corona. Recent observations from the high resolution Hinode/SOT telescope allow us to compute velocities…

Solar and Stellar Astrophysics · Physics 2015-05-14 B. Schmieder , R. Chandra , A. Berlicki , P. Mein
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