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Related papers: The surge-like eruption of a miniature filament

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We make a comparative analysis for two filaments that showed quite different activation in response to the flux emergence within the filament channels. The observations from the Solar Dynamics Observatory (SDO) and Global Oscillation…

Solar and Stellar Astrophysics · Physics 2015-08-06 Ting Li , Jun Zhang , Haisheng Ji

Large solar flares (GOES M-class or higher) are usually associated with eruptions of material. However, when considering flare irradiance enhancements and dynamics such as chromospheric evaporation, potential contributions from erupted…

Solar and Stellar Astrophysics · Physics 2025-12-18 Luke Majury , Marie Dominique , Ryan Milligan , Dana-Camelia Talpeanu , Ingolf Dammasch , David Berghmans

In this paper, we study the onset process of a solar eruption on 21 February 2015, focusing on its unambiguous precursor phase. With multi-wavelength imaging observations from the Atmospheric Imaging Assembly (AIA), definitive…

Solar and Stellar Astrophysics · Physics 2018-12-26 Hechao Chen , Yadan Duan , Jiayan Yang , Bo Yang , Jun Dai

We firstly report the simultaneous activities of a slipping motion of flare loops and a slipping eruption of a flux rope in 131 {\AA} and 94 {\AA} channels on 2014 February 02. The east hook-like flare ribbon propagated slippingly at a…

Solar and Stellar Astrophysics · Physics 2015-06-22 Ting Li , Jun Zhang

The active region magnetic field surrounding the filament plays an important role in filament formation, their evolution and disruption. We investigated a filament eruption that occurred in southern hemisphere of the Sun on July 08, 2011…

Solar and Stellar Astrophysics · Physics 2013-07-30 Sajal Kumar Dhara , B. Ravindra , Ravinder Kumar Banyal

Utilizing multiwavelength observations and magnetic field data from SDO/AIA, SDO/HMI, GOES and RHESSI, we investigate a large-scale ejective solar eruption of 2014 December 18 from active region NOAA 12241. This event produced a distinctive…

Solar and Stellar Astrophysics · Physics 2017-08-23 Navin Chandra Joshi , Alphonse C. Sterling , Ronald L. Moore , Tetsuya Magara , Young-Jae Moon

We observed an H$\alpha$ surge occurred in the active region NOAA 12401 on 2015 August 17, and discuss its trigger mechanism, kinematic and thermal properties. It is suggested that this surge is caused by a chromospheric reconnection which…

Solar and Stellar Astrophysics · Physics 2019-06-19 Peng Zou , Chaowei Jiang , Fengsi Wei , Wenda Cao

We studied temporal changes of morphological and magnetic properties of a succession of four confined flares followed by an eruptive flare using the high-resolution New Solar Telescope (NST) operating at the Big Bear Solar Observatory…

We investigate how the splitting of the leading sunspot and associated flux emergence and cancellation in active region NOAA 11515 caused an eruptive M5.6 flare on 2012 July 2. Our study employs multi-wavelength observations from HMI, AIA…

Solar and Stellar Astrophysics · Physics 2015-06-18 Rohan E. Louis , Klaus G. Puschmann , Bernhard Kliem , Horst Balthasar , Carsten Denker

We report on the Atmospheric Imaging Assembly (AIA) observations of plasma outflows originating in a coronal dimming during the 2015 April 28th filament eruption. After the filament started to erupt, two flare ribbons formed, one of which…

Solar and Stellar Astrophysics · Physics 2021-01-20 Juraj Lörinčík , Jaroslav Dudík , Guillaume Aulanier , Brigitte Schmieder , Leon Golub

We study a quiet-Sun blowout jet which is observed on 2014 May 16 by the instruments on board Solar Dynamics Observatory (SDO). We find the twin CME as jet-like and bubble-like CME simultaneously as observed by LASCO C2 on board Solar and…

Solar and Stellar Astrophysics · Physics 2019-06-12 Ritika Solanki , Abhishek K. Srivastava , Yamini K. Rao , Bhola N. Dwivedi

Utilizing observations from the New Vacuum Solar Telescope (NVST), Solar Dynamics Observatory (SDO), and Solar Terrestrial Relations Observatory-Ahead (STEREO-A), we investigate the event from two distinct observational perspectives: on the…

Solar and Stellar Astrophysics · Physics 2024-01-02 Jincheng Wang , Xiaoli Yan , Qiangwei Cai , Zhike Xue , Liheng Yang , Qiaoling Li , Zhe Xu , Yunfang Cai , Liping Yang , Yang Peng , Xia Sun , Xinsheng Zhang , Yian Zhou

It is not fully understood why some solar filaments erupt while others do not. Those that do typically undergo a slow rise followed by an acceleration phase, though this transition requires further investigation. Erupting prominences have…

Solar and Stellar Astrophysics · Physics 2026-03-25 Dion Donné , Yuhao Zhou , Hebe Cremades , Rony Keppens

Coronal mass ejections (CMEs) and coronal jets are two types of common solar eruptive phenomena, which often independently happen at different spatial scales. In this work, we present a stereoscopic observation of a large-scale CME flux…

Solar and Stellar Astrophysics · Physics 2021-04-21 Hechao Chen , Jiayan Yang , Junchao Hong , Haidong Li , Yadan Duan

Aims: This work aims to identify the mechanism driving pulsations in hard X-ray (HXR) and microwave emission during solar flares. Here, by using combined HXR and microwave observations from Solar Orbiter/STIX and EOVSA we investigate an…

Solar and Stellar Astrophysics · Physics 2024-05-01 Hannah Collier , Laura A. Hayes , Sijie Yu , Andrea F. Battaglia , William Ashfield , Vanessa Polito , Louise K. Harra , Säm Krucker

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

We present the multi-wavelength observations of a flux rope that was trying to erupt from NOAA AR 11045 and the associated M-class solar flare on 12 February 2010 using space and ground based observations from TRACE, STEREO, SOHO/MDI,…

Solar and Stellar Astrophysics · Physics 2015-05-28 Pankaj Kumar , A. K. Srivastava , B. Filippov , R. Erdelyi , Wahab Uddin

We present here an interesting two-step filament eruption during 14-15 March 2015. The filament was located in NOAA AR 12297 and associated with a halo Coronal Mass Ejection (CME). We use observations from the Atmospheric Imaging Assembly…

Solar and Stellar Astrophysics · Physics 2017-06-28 R. Chandra , B. Filippov , R. Joshi , B. Schmieder

We study a filament eruption, two-ribbon flare, and coronal mass ejection (CME) that occurred in Active Region NOAA 10898 on 6 July 2006. The filament was located South of a strong sunspot that dominated the region. In the evolution leading…

Solar and Stellar Astrophysics · Physics 2014-01-14 Tibor Török , Manuela Temmer , Gherardo Valori , Astrid Veronig , Lidia van Driel-Gesztelyi , Bojan Vršnak

Flux ropes are generally believed to be core structures of solar eruptions that are significant for the space weather, but their formation mechanism remains intensely debated. We report on the formation of a tiny flux rope beneath clusters…

Solar and Stellar Astrophysics · Physics 2020-10-21 Ruisheng Zheng , Yao Chen , Bing Wang , Hongqiang Song , Wenda Cao