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We carry out a three-dimensional magneto-hydrodynamic (MHD) simulation to model the initiation of the coronal mass ejection (CME) on 13 December 2006 in the emerging {\delta}-sunspot active region NOAA 10930. The setup of the simulation is…

Solar and Stellar Astrophysics · Physics 2016-06-22 Yuhong Fan

We investigate the plasma and magnetic environment of active region NOAA 11261 on 2 August 2011 around a GOES M1.4 flare/CME (SOL2011-08-02T06:19). We compare coronal emission at (extreme) ultraviolet and X-ray wavelengths, using SDO AIA…

Solar and Stellar Astrophysics · Physics 2016-08-03 Julia K. Thalmann , Astrid M. Veronig , Yang Su

Aims: We identify the source of fast-drifting decimetric-metric radio emission that is sometimes observed prior to the so-called flare continuum emission. Fast-drift structures and continuum bursts are also observed in association with…

Astrophysics · Physics 2008-08-26 S. Pohjolainen

We present multi-wavelength analysis of an eruption event that occurred in Active Region (AR) NOAA 11093 on 7 August 2010, using data obtained from SDO, STEREO, RHESSI and GONG H$\alpha$ network telescope. From these observations, we…

Solar and Stellar Astrophysics · Physics 2015-05-27 P. Vemareddy , R. A. Maurya , A. Ambastha

Observations of the early rise and propagation phases of solar eruptive prominences can provide clues about the forces acting on them through the behavior of their acceleration with height. We have analyzed such an event, observed on 13…

Solar and Stellar Astrophysics · Physics 2012-05-17 M. Mierla , D. B. Seaton , D. Berghmans , I. Chifu , A. De Groof , B. Inhester , L. Rodriguez , G. Stenborg , A. N. Zhukov

In this paper, We report the interplanetary effects of a fast coronal mass ejection (CME) associated with the intense X2.7 flare that occurred on 05 May 2015. The near-Sun signatures of the CME at low-coronal heights $<$2 {R$_{\odot}$} are…

Solar and Stellar Astrophysics · Physics 2016-06-01 Abhishek Johri , P. K. Manoharan

In this paper, we carry out multiwavelength observations of two successive extreme-ultraviolet (EUV) waves originating from active region (AR) NOAA 13575 and a transverse oscillation of a columnar quiescent prominence on 2024 February 9. A…

Solar and Stellar Astrophysics · Physics 2024-08-08 Q. M. Zhang , M. S. Lin , X. L. Yan , J. Dai , Z. Y. Hou , Y. Li , Y. Qiu

This paper aims to track the 3D evolution of a full halo CME on 2011 June 21. The CME results from a non-radial eruption of a filament-carrying flux rope in NOAA active region 11236. The eruption is observed in EUV wavelengths by the EUVI…

Solar and Stellar Astrophysics · Physics 2022-05-04 Q. M. Zhang

Coronal mass ejections (CMEs) often exhibit a three-part structure consisting of a bright inner core, an outer leading edge, and an intervening dark cavity. While the core has traditionally been attributed to prominence material, an…

Solar and Stellar Astrophysics · Physics 2026-01-12 Sunit Sundar Pradhan , Jayant Joshi , Tanmoy Samanta

We study a coronal mass ejection (CME) associated with an X-class flare, whose initiation is clearly observed in low corona with high-cadence, high-resolution EUV images, providing us a rare opportunity to witness the early evolution of an…

Solar and Stellar Astrophysics · Physics 2014-11-26 Rui Liu , Yuming Wang , Chenglong Shen

In this paper, we carry out a detailed analysis of the M1.6 class eruptive flare occurring in NOAA active region 13078 on 2022 August 19. The flare is associated with a fast coronal mass ejection (CME) propagating in the southwest direction…

Solar and Stellar Astrophysics · Physics 2023-08-02 Qingmin Zhang , Yuhao Zhou , Chuan Li , Qiao Li , Fanxiaoyu Xia , Ye Qiu , Jun Dai , Yanjie Zhang

A bright prominence associated with a coronal mass ejection (CME) was seen erupting from the Sun on 9 April 2008. This prominence was tracked by both the Solar Terrestrial Relations Observatory (STEREO) EUVI and COR1 telescopes, and was…

Solar and Stellar Astrophysics · Physics 2011-12-16 W. T. Thompson , B. Kliem , T. Török

We analyze flare-associated transverse oscillations in a quiescent solar prominence on 8-9 September, 2010. Both the flaring active region and the prominence were located near the West limb, with a favorable configuration and viewing angle.…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sanjay Gosain , Claire Foullon

The triggering process for coronal mass ejections (CME) in the solar atmosphere is not fully understood. We use observations from different spacecraft at several wavelengths to detect an instability process for a prominence/filament with a…

Solar and Stellar Astrophysics · Physics 2021-10-05 Z. M. Vashalomidze , T. V. Zaqarashvili , V. D. Kukhianidze , G. T. Ramishvili

We present rapid-cadence Transition Region And Coronal Explorer (TRACE) observations which show evidence of a filament eruption from active region NOAA 10696, accompanied by an X2.5 flare, on 2004 November 10. The eruptive filament, which…

Astrophysics · Physics 2009-11-13 D. R. Williams , T. Toeroek , P. Demoulin , L. van Driel-Gesztelyi , B. Kliem

This study characterises a series of type~II radio bursts associated with a CME that occurred on 14 May, focusing on the coronal conditions during the event and identifying the likely location of the shocks where the radio bursts are…

Solar and Stellar Astrophysics · Physics 2026-04-01 Mohamed Nedal , Catherine Cuddy , David M. Long , Shilpi Bhunia , Pietro Zucca , Peter T. Gallagher

The study of fast, eruptive events in the low solar corona is one of the science objectives of the Atmospheric Imaging Assembly (AIA) imagers on the recently launched Solar Dynamics Observatory (SDO), which take full disk images in ten…

Solar and Stellar Astrophysics · Physics 2015-05-20 S. Patsourakos , A. Vourlidas , G. Stenborg

We study the coronal dimming caused by the fast halo CME (deprojected speed v =1250 km s $^{-1})$ associated with the C3.7 two-ribbon flare on 2012 September 27, using Hinode/EIS spectroscopy and SDO/AIA Differential Emission Measure (DEM)…

Solar and Stellar Astrophysics · Physics 2019-07-17 Astrid M. Veronig , Peter Gömöry , Karin Dissauer , Manuela Temmer , Kamalam Vanninathan

On 13 June 2010, an eruptive event occurred near the solar limb. It included a small filament eruption and the onset of a relatively narrow coronal mass ejection (CME) surrounded by an extreme ultraviolet wave front recorded by the Solar…

We report observations of a unique, large prominence eruption that was observed in the He II 304 {\AA} passband of the the Extreme Ultraviolet Imager/Full Sun Imager telescope aboard Solar Orbiter on 15-16 February 2022. Observations from…