English
Related papers

Related papers: How Many Twists Do Solar Coronal Jets Release?

200 papers

In this article, we present the multi-viewpoint and multi-wavelength analysis of an atypical solar jet based on the data from Solar Dynamics Observatory, SOlar, and Heliospheric Observatory, and Solar TErrestrial RElations Observatory. It…

Solar and Stellar Astrophysics · Physics 2020-10-07 Reetika Joshi , Yuming Wang , Ramesh Chandra , Quanhao Zhang , Lijuan Liu , Xiaolei Li

In the present study we investigate magnetic reconnection in twisted magnetic fluxtubes with different initial configurations. In all considered cases, energy release is triggered by the ideal kink instability, which is itself the result of…

Solar and Stellar Astrophysics · Physics 2016-01-20 M. R. Bareford , M. Gordovskyy , P. K. Browning , A. W. Hood

We investigate the traveling kink oscillation triggered by a solar flare on 2022 September 29. The observational data is mainly measured by the Solar Upper Transition Region Imager (SUTRI), the Atmospheric Imaging Assembly (AIA), and the…

Solar and Stellar Astrophysics · Physics 2023-07-19 Dong Li , Xianyong Bai , Hui Tian , Jiangtao Su , Zhenyong Hou , Yuanyong Deng , Kaifan Ji , Zongjun Ning

Flux emergence is responsible for various solar eruptions. Combining observation and simulations, we investigate the influence of flux emergence at one footpoint of an arcade on coronal rain as well as induced eruptions. The emergence…

Solar and Stellar Astrophysics · Physics 2023-04-26 Xiaohong Li , Rony Keppens , Yuhao Zhou

High-resolution observations from the $Interface~Region~Imaging~Spectrometer$ ($IRIS$) reveal the existence of a particular type of small solar jets, which arose singly or in clusters from a tornado-like prominence suspended in the corona.…

Solar and Stellar Astrophysics · Physics 2020-08-19 Huadong Chen , Jun Zhang , Bart De Pontieu , Suli Ma , Bernhard Kliem , Eric Priest

Using multi-wavelength observations of SoHO/MDI, SOT-Hinode/blue-continuum (4504 \AA), G-band (4305 \AA), Ca II H (3968 \AA) and TRACE 171 \AA, we present the observational signature of highly twisted magnetic loop in AR 10960 during the…

Solar and Stellar Astrophysics · Physics 2015-05-18 A. K. Srivastava , T. V. Zaqarashvili , Pankaj Kumar , M. L. Khodachenko

We study a blowout jet that occurs at the west limb of the Sun on August 29$^{th}$, 2014 using high-resolution imaging/spectroscopic observations provided by SDO/AIA and IRIS. An inverse $\gamma$-shape flux-rope appears before the jet{--}…

Solar and Stellar Astrophysics · Physics 2023-03-29 Sudheer K. Mishra , Kartika Sangal , Pradeep Kayshap , Petr Jelinek , A. K. Srivastava , S. P. Rajaguru

Unstable states of the solar coronal magnetic field structure result in various flare behaviors. In this study, we compared the confined and eruptive flares that occurred under similar magnetic circumstances in the active region 12673, on…

Solar and Stellar Astrophysics · Physics 2025-03-24 Kouhei Teraoka , Daiki Yamasaki , Yusuke Kawabata , Shinsuke Imada , Toshifumi Shimizu

Magnetic flux ropes (MFRs) are usually considered to be the magnetic structure that dominates the transport of helicity from the Sun into the heliosphere. They entrain a confined plasma within a helically organized magnetic structure and…

Solar and Stellar Astrophysics · Physics 2020-09-04 Marta Florido-Llinas , Teresa Nieves-Chinchilla , Mark G. Linton

The eruptions of solar filaments often show rotational motion about their rising direction, but it remains elusive what mechanism governs such rotation and how the rotation is related to the initial morphology of the pre-eruptive filament…

Solar and Stellar Astrophysics · Physics 2022-03-14 Zhenjun Zhou , Chaowei Jiang , Rui Liu , Yuming Wang , Lijuan Liu , Jun Cui

In this article, we report the multiwavelength and multiview observations of transverse oscillations of two loop strands induced by a jet-related, confined flare in active region NOAA 13056 on 11 July 2022. The jet originates close to the…

Solar and Stellar Astrophysics · Physics 2025-04-28 Musheng Lin , Ya Wang , Liheng Yang , Jie Chen , Wenwei Pan , Shuyue Li , Qingmin Zhang

Recent observations have revealed that many solar coronal jets involve the eruption of miniature versions of large-scale filaments. Such "mini-filaments" are observed to form along the polarity inversion lines of strong, magnetically…

Solar and Stellar Astrophysics · Physics 2018-01-24 P. F. Wyper , C. R. DeVore , S. K. Antiochos

Coronal mass ejections (CMEs) are large-scale eruptions of plasma from the coronae of stars. Understanding the plasma processes involved in CME initiation has applications to space weather forecasting and laboratory plasma experiments.…

Solar and Stellar Astrophysics · Physics 2018-03-21 Alexander W. James , Gherardo Valori , Lucie M. Green , Yang Liu , Mark C. M. Cheung , Yang Guo , Lidia van Driel-Gesztelyi

Jets often have a helical structure containing ejected plasma that is both hot and also cooler and denser than the corona. Various mechanisms have been proposed to explain how jets are primarily attributed to a magnetic reconnection between…

Solar and Stellar Astrophysics · Physics 2020-10-21 Reetika Joshi , Brigitte Schmieder , Guillaume Aulanier , Véronique Bommier , Ramesh Chandra

We analyze five events of the interaction of coronal mass ejections (CMEs) with the remote coronal rays located up to 90^\circ away from the CME as observed by the SOHO/LASCO C2 coronagraph. Using sequences of SOHO/LASCO C2 images, we…

Solar and Stellar Astrophysics · Physics 2015-05-19 Boris Filippov , A. K. Srivastava

Large-scale solar eruptions often include ejection of a filament, a solar flare, and expulsion of a coronal mass ejection (CME). Unravelling the magnetic processes that build up the free energy for these eruptions and trigger that energy's…

Solar and Stellar Astrophysics · Physics 2024-10-03 Alphonse C. Sterling , Ronald L. Moore , Navdeep K. Panesar

To investigate the factors that control the success and/or failure of solar eruptions, we study the magnetic field and 3-Dimensional (3D) configuration of 16 filament eruptions during 2010 July - 2013 February. All these events, i.e.,…

Solar and Stellar Astrophysics · Physics 2019-06-05 Zhenjun Zhou , Xin Cheng , Jie Zhang , Yuming Wang , Dong Wang , Lijuan Liu , Bin Zhuang , Jun Cui

Stability properties of ``magnetic tower'' jets propagating in the gravitationally stratified background have been examined by performing three-dimensional magnetohydrodynamic simulations. The current-carrying, Poynting flux-dominated…

Astrophysics · Physics 2008-11-26 Masanori Nakamura , Hui Li , Shengtai Li

In this work, we report our multi-wavelength observations of the transverse oscillation of a large scale coronal loop with a length of 350 Mm. The oscillation was induced by a blowout coronal jet, which was related to a circular ribbon…

Solar and Stellar Astrophysics · Physics 2021-02-03 J. Dai , Q. M. Zhang , Y. N. Su , H. S. Ji

The Parker Solar Probe (PSP) has observed copious rapid magnetic field direction changes in the near-Sun solar wind. These features have been called "switchbacks," and their origin is a mystery. But their widespread nature suggests that…

Solar and Stellar Astrophysics · Physics 2020-06-24 Alphonse C. Sterling , Ronald L. Moore