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Global extreme ultraviolet (EUV) waves are spectacular traveling disturbances in the solar corona associated with energetic eruptions such as coronal mass ejections (CMEs) and flares. Over the past 15 years, observations from three…

Solar and Stellar Astrophysics · Physics 2014-05-07 Wei Liu , Leon Ofman

This paper presents a detailed study of the type II solar radio burst that occurred on 06 March 2014 using combined data analysis. It is a classical radio event consisting of type III radio burst and a following type II radio burst in the…

Solar and Stellar Astrophysics · Physics 2024-04-02 V. Vasanth

Using MHD seismology by observed kink waves, the magnetic field profile of a coronal streamer has been investigated. STEREO-B/EUVI temporal image data on 7 March 2012 shows an evolution of two consecutive EUV waves that interact with the…

Solar and Stellar Astrophysics · Physics 2016-08-17 A. K. Srivastava , Talwinder Singh , Leon Ofman , B. N. Dwivedi

We present the first observations of a global coronal wave ("EIT wave") from the two Solar Terrestrial Relations Observatory (STEREO) satellites in quadra- ture. The wave's initiation site was at the disk center in STEREO-B and precisely on…

Solar and Stellar Astrophysics · Physics 2015-05-14 I. W. Kienreich , M. Temmer , A. M. Veronig

The X8.2 event of 10 September 2017 provides unique observations to study the genesis, magnetic morphology and impulsive dynamics of a very fast CME. Combining GOES-16/SUVI and SDO/AIA EUV imagery, we identify a hot ($T\approx 10-15$ MK)…

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

Aims. Coronal Mass Ejections (CMEs) are the most fascinating explosion in the solar system; however, their formation is still not fully understood. Methods. Here, we investigate a well-observed CME on 2021 May 07 that showed a typical…

Solar and Stellar Astrophysics · Physics 2022-10-26 B. T. Wang , X. Cheng , H. Q. Song , M. D. Ding

The coronal blowout jet, extreme ultraviolet (EUV) wave and coronal mass ejection (CME) are common phenomena in the solar atmosphere. In this paper, we report the occurrence of an M-shaped CME event associated with a blowout jet and an EUV…

EUV waves are large-scale disturbances in the solar corona initiated by coronal mass ejections. However, solar EUV images show only the wave fronts projections along the line-of-sight of the spacecraft. We perform 3D reconstructions of EUV…

Solar and Stellar Astrophysics · Physics 2019-06-05 Tatiana Podladchikova , Astrid M. Veronig , Karin Dissauer , Manuela Temmer , Olena Podladchikova}

We investigate the interaction of three consecutive large-scale coronal waves with a polar coronal hole, simultaneously observed on-disk by the Solar TErrestrial Relations Observatory (STEREO)-A spacecraft and on the limb by the PRoject for…

Solar and Stellar Astrophysics · Physics 2012-05-01 Ines Waltraud Kienreich , Nicole Muhr , Astrid Veronig , David Berghmans , Anik de Groof , Manuela Temmer , Bojan Vršnak , Dan Seaton

By measuring the geometrical properties of the coronal mass ejection (CME) flux rope and the leading shock observed on 2010 June 13 by the Solar Dynamics Observatory (SDO) mission's Atmospheric Imaging Assembly (AIA) we determine the…

Solar and Stellar Astrophysics · Physics 2015-05-30 Nat Gopalswamy , Nariaki Nitta , Sachiko Akiyama , Pertti Mäkelä , Seiji Yashiro

Coronal mass ejections (CMEs) are often accompanied by coronal dimming evident in extreme ultraviolet (EUV) and soft X-ray observations. The locations of dimming are sometimes considered to map footpoints of the erupting flux rope. As the…

Solar and Stellar Astrophysics · Physics 2016-07-06 J. X. Cheng , J. Qiu

For the first time, we report a large-scale wave that was observed simultaneously in the photosphere, chromosphere, transition region and low corona layers of the solar atmosphere. Using the high temporal and high spatial resolution…

Solar and Stellar Astrophysics · Physics 2015-06-05 Yuandeng Shen , Yu Liu

Shock waves are excited by coronal mass ejections (CMEs) and large-scale extreme-ultraviolet (EUV) wave fronts and can result in low-frequency radio emission under certain coronal conditions. In this work, we investigate a moving source of…

Solar and Stellar Astrophysics · Physics 2024-04-10 J. Rigney , P. T. Gallagher , G. Ramsay , J. G. Doyle , D. M. Long , O. Stepanyuk , K. Kozarev

One of the major discoveries of the Extreme ultraviolet Imaging Telescope (EIT) on SOHO were intensity enhancements propagating over a large fraction of the solar surface. The physical origin(s) of the so-called `EIT' waves is still…

Solar and Stellar Astrophysics · Physics 2015-05-13 S. Patsourakos , A. Vourlidas , Y. -M. Wang , G. Stenborg , A. Thernisien

EUV (Extreme-Ultraviolet) waves are globally propagating disturbances that have been observed since the era of the SoHO/EIT instrument. Although the kinematics of the wave front and secondary wave components have been widely studied, there…

Solar and Stellar Astrophysics · Physics 2015-10-28 K. Vanninathan , A. M. Veronig , K. Dissauer , M. S. Madjarska , I. G. Hannah , E. P. Kontar

Multi-spacecraft observations are used to study the in-situ effects of a large CME erupting from the farside of the Sun on 3 November 2011, with particular emphasis on the associated solar energetic particle (SEP) event. At that time both…

Solar and Stellar Astrophysics · Physics 2013-12-12 A. J. Prise , L. K. Harra , S. A. Matthews , D. M. Long , A. D. Aylward

In this study, we present the observations of extreme-ultraviolet (EUV) waves associated with an M6.5 flare on 2013 April 11. The event was observed by Solar Dynamics Observatory (SDO) in different EUV channels. The flare was also…

Solar and Stellar Astrophysics · Physics 2019-05-22 Aarti Fulara , Ramesh Chandra , P. F. Chen , Ivan Zhelyazkov , A. K. Srivastava , Wahab Uddin

The shape and dynamics of coronal mass ejections (CMEs) vary significantly based on the instrument and wavelength used. This has led to significant debate about the proper definitions of CME/shock fronts, pile-up/compression regions, and…

Solar and Stellar Astrophysics · Physics 2025-08-27 Oleg Stepanyuk , Kamen Kozarev

We present here the kinematics of the EUV wave associated with a GOES M1.0-class solar flare, which originates in NOAA AR 12740. The event is thoroughly observed with Atmospheric Imaging Assembly (AIA) onboard Solar Dynamics Observatory…

Solar and Stellar Astrophysics · Physics 2022-04-13 Ramesh Chandra , P. F. Chen , Pooja Devi , Reetika Joshi , Y. W. Ni