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Related papers: CME on CME Interaction on January 17, 2005

200 papers

In 2010 May 23-24, SDO observed the launch of two successive coronal mass ejections (CMEs), which were subsequently tracked by the SECCHI suite onboard STEREO. Using the COR2 coronagraphs and the heliospheric imagers (HIs), the initial…

Space Physics · Physics 2015-06-11 N. Lugaz , C. J. Farrugia , J. A. Davies , C. Möstl , C. J. Davis , I. I. Roussev , M. Temmer

A class X1.5 flare started on the solar limb at 00:43 UT on 21 April 2002, which was associated with a CME observed at 01:27 UT by LASCO C2. The coordinated analyses of this flare include TRACE 195 {\AA} images and SUMER spectra in lines of…

Solar and Stellar Astrophysics · Physics 2018-05-29 T. J. Wang , S. K. Solanki , D. E. Innes , W. Curdt

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)…

Decameter hectometric (DH; 1-14 MHz) type-IV radio bursts are produced by flare-accelerated electrons trapped in post-flare loops or the moving magnetic structures associated with the CMEs. From a space weather perspective, it is important…

Solar and Stellar Astrophysics · Physics 2024-07-09 Atul Mohan , Nat Gopalswamy , Anshu Kumari , Sachiko Akiyama , Sindhuja G

Coronal Mass ejections or CMEs are large dynamical solar-corona events. The mass balance and kinematics of a fast limb CME, including its prominence progenitor and the associated flare, will be compared with computed magnetic structures to…

The first 48-antenna stage of the Siberian Radioheliograph (SRH) started single-frequency test observations early in 2016, and since August 2016 it routinely observes the Sun at several frequencies in the 4-8 GHz range with an angular…

Interest in stealth coronal mass ejections (CMEs) is increasing due to their relatively high occurrence rate and space weather impact. However, typical CME signatures such as extreme-ultraviolet dimmings and post-eruptive arcades are hard…

The GOES X1.5 class flare that occurred on August 30,2002 at 1327:30 UT is one of the few events detected so far at submillimeter wavelengths. We present a detailed analysis of this flare combining radio observations from 1.5 to 212 GHz (an…

Solar and Stellar Astrophysics · Physics 2015-05-13 C. G. Gimenez de Castro , G. Trottet , A. Silva-Valio , S. Krucker , J. E. R. Costa , P. Kaufmann , E. Correia , H. Levato

The SOL2001-12-26 moderate solar eruptive event (GOES importance M7.1, microwaves up to 4000 sfu at 9.4 GHz, CME speed 1446 km/s) produced strong fluxes of solar energetic particles and ground-level enhancement of cosmic-ray intensity…

Solar and Stellar Astrophysics · Physics 2017-06-09 V. V. Grechnev , V. I. Kiselev , A. M. Uralov , K. -L. Klein , A. A. Kochanov

The joint use of high-resolution data from PROBA2 and SDO satellites and LASCO/SOHO coronographs enabled us to examine early stages of initiation and propagation of six limb CMEs registered in June 2010 - June 2011. For five events under…

Solar and Stellar Astrophysics · Physics 2026-01-06 V. G. Fainshtein , Ya. I. Egorov

Both observation and theory reveal a close relationship between the kinematics of coronal mass ejections (CMEs) and the thermal energy release traced by the related soft X-ray (SXR) emission. The major problem of empirical studies of this…

Solar and Stellar Astrophysics · Physics 2015-03-31 Carolina Salas-Matamoros , Karl-Ludwig Klein

We present a review of the different aspects associated with the interaction of successive CMEs in the corona and inner heliosphere, focusing on the initiation of series of CMEs, their interaction in the heliosphere, the particle…

Space Physics · Physics 2017-04-05 Noé Lugaz , Manuela Temmer , Yuming Wang , Charles J. Farrugia

In the standard model of solar eruptive events, coronal mass ejections (CMEs) and flares are associated with each other through magnetic reconnection initiated by erupting flux ropes. Observations also reveal an increasing association ratio…

Solar and Stellar Astrophysics · Physics 2025-06-24 Changxue Chen , Yang Su , Wei Chen , Jingwei Li , Fu Yu , Weiqun Gan

We investigate the relationship between the main acceleration phase of coronal mass ejections (CMEs) and the particle acceleration in the associated flares as evidenced in RHESSI non-thermal X-rays for a set of 37 impulsive flare-CME…

Solar and Stellar Astrophysics · Physics 2012-05-14 S. Berkebile-Stoiser , A. M. Veronig , B. M. Bein , M. Temmer

Context. Coronal mass ejections (CMEs) are large eruptions of magnetised plasma from the Sun that are often accompanied by solar radio bursts produced by accelerated electrons. Aims. A powerful source for accelerating electron beams are…

Solar and Stellar Astrophysics · Physics 2020-10-14 D. E. Morosan , E. Palmerio , J. E. Räsänen , E. K. J. Kilpua , J. Magdalenić , B. J. Lynch , A. Kumari , J. Pomoell , M. Palmroth

We present a detailed study of the interaction process of two coronal mass ejections (CMEs) successively launched on 2011 February 14 (CME1) and 2011 February 15 (CME2). Reconstructing the 3D shape and evolution of the flux ropes we verify…

Solar and Stellar Astrophysics · Physics 2015-06-18 M. Temmer , A. M. Veronig , V. Peinhart , B. Vrsnak

We analyze the well observed flare-CME event from October 1, 2011 (SOL2011-10-01T09:18) covering the complete chain of action - from Sun to Earth - for a better understanding of the dynamic evolution of the CME and its embedded magnetic…

Solar and Stellar Astrophysics · Physics 2017-07-19 M. Temmer , J. K. Thalmann , K. Dissauer , A. M. Veronig , J. Tschernitz , J. Hinterreiter , L. Rodriguez

The type-IV bursts, associated with coronal mass ejections (CMEs), occasionally extend to the decameter-hectrometric (DH) range. We present a comprehensive catalog of simultaneous multi-vantage point observations of DH type-IV bursts by…

Solar and Stellar Astrophysics · Physics 2024-10-02 Atul Mohan , Nat Gopalswamy , Surajit Mondal , Anshu Kumari , Sindhuja G

Context: Eruptive events such as coronal mass ejections (CMEs) and flares accelerate particles and generate shock waves which can arrive at Earth and can disturb the magnetosphere. Understanding the association between CMEs and CME-driven…

We present a detailed study of an earth-directed coronal mass ejection (Full halo CME) event happened on 2011 February 15 making use of white light observations by three coronagraphs and radio observations by Wind/WAVES. We applied three…

Solar and Stellar Astrophysics · Physics 2017-02-08 Lei Lu , Bernd Inhester , Li Feng , Siming Liu , Xinhua Zhao