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Related papers: Detection and Characterisation of a Coronal Mass E…

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In this paper, we analyze 91 coronal mass ejection (CME) events studied by Manoharan et al. (2004) and Gopalswamy and Xie (2008). These earth-directed CMEs are large (width $>$160$^\circ$) and cover a wide range of speeds ($\sim$120--2400…

Solar and Stellar Astrophysics · Physics 2015-05-20 P. K. Manoharan , A. Mujiber Rahman

Although coronal mass ejections (CMEs) resembling flux ropes generally expand self-similarly, deformations along their fronts have been reported in observations and simulations. We present evidence of one CME becoming deformed after a…

Solar and Stellar Astrophysics · Physics 2022-10-26 Carlos R. Braga , Angelos Vourlidas , Paulett C. Liewer , Phillip Hess , Guillermo Stenborg , Pete Riley

This study covers a thorough statistical investigation of the evolution of interplanetary coronal mass ejections (ICMEs) with and without sheaths, through a broad heliocentric distance and temporal range. The analysis treats the sheath and…

Solar and Stellar Astrophysics · Physics 2024-05-08 C. Larrodera , M. Temmer

A systematic study of 80 known pulsars observed at 185 MHz has been conducted using archival incoherent-sum data from the Murchison Widefield Array (MWA). The dataset comprises 48 drift-scan observations from the MWA Voltage Capture System,…

High Energy Astrophysical Phenomena · Physics 2025-10-13 Ting Yu , Hongyu Gong , Zhifu Gao , Zhongli Zhang , Zhigang Wen , Yujie Wang , Tao An

On 15 May 2005, a huge interplanetary coronal mass ejection (ICME) was observed near Earth. It triggered one of the most intense geomagnetic storms of solar cycle 23 (Dst peak = -263 nT). This structure has been associated with the…

Solar and Stellar Astrophysics · Physics 2012-12-24 S. Dasso , C. H. Mandrini , B. Schmieder , H. Cremades , C. Cid , Y. Cerrato , E. Saiz , P. Démoulin , A. N. Zhukov , L. Rodriguez , A. Aran , M. Menvielle , S. Poedts

Our knowledge of the properties of Coronal Mass Ejections (CMEs) in the inner heliosphere is constrained by the relative lack of plasma observations between Sun and 1 AU. In this work, we present a comprehensive catalog of 47 CMEs measured…

Space Physics · Physics 2020-05-06 T. M. Salman , R. M. Winslow , N. Lugaz

The primary mission of the Habitable World Observatory (HWO) will be to constrain the prevalence of life on Earth-like planets. These planets will be subject to impacts by energetic particles generated from coronal mass ejection (CME)…

Instrumentation and Methods for Astrophysics · Physics 2026-05-19 R. O. Parke Loyd , James Paul Mason , Ivey Davis , Kevin France , Meng Jin , Karin Dissauer

This work studies the kinematics of the leading edge and the core of 6 Coronal Mass Ejections (CMEs) in the combined field of view of Sun Watcher using Active Pixel System detector and Image Processing (SWAP) on-board PRoject for On-Board…

Space weather observations and modeling at Mars have begun but they must be significantly increased to support the future of Human Exploration on the Red Planet. A comprehensive space weather understanding of a planet without a global…

Space Physics · Physics 2022-12-06 James L. Green , Chuanfei Dong , Michael Hesse , C. Alex Young , Vladimir Airapetian

The Murchison Widefield Array (MWA) is a low frequency radio interferometer designed and developed by an international consortium, operated on behalf of the consortium by Curtin University. The MWA is a Precursor for the low frequency…

Instrumentation and Methods for Astrophysics · Physics 2025-09-11 Steven J. Tingay

Ultraviolet spectra of the extended solar corona have been routinely obtained by SoHO/UVCS since 1996. Sudden variations of spectral parameters are mainly due to the detection of Coronal Mass Ejections (CMEs) crossing the instrumental slit.…

Solar and Stellar Astrophysics · Physics 2015-06-15 Silvio Giordano , Angela Ciaravella , John Raymond , Yuan-Kuen Ko , Raid Suleiman

Coronal mass ejections (CMEs) are large-scale eruptions of plasma from the Sun that play an important role in space weather. Faraday rotation (FR) is the rotation of the plane of polarization that results when a linearly polarized signal…

Solar and Stellar Astrophysics · Physics 2017-04-12 Jason E. Kooi , Patrick D. Fischer , Jacob J. Buffo , Steven R. Spangler

Low-frequency radio observations have been expected to serve as a powerful tool for Space Weather (SW) observations for decades. Radio observations are sensitive to a wide range of SW-related observations ranging from emissions from coronal…

Solar and Stellar Astrophysics · Physics 2023-02-01 Devojyoti Kansabanik , Surajit Mondal , Divya Oberoi , Puja Majee

Investigating the heliospheric evolution and consequences of Coronal mass ejections (CMEs) is critical to understanding the solar-terrestrial relationship. For the first time, Heliospheric Imagers (HIs) onboard STEREO, providing multiple…

Solar and Stellar Astrophysics · Physics 2022-04-22 Wageesh Mishra

We detail new techniques for analysing ionospheric activity, using Epoch of Reionisation (EoR) datasets obtained with the Murchison Widefield Array (MWA), calibrated by the `Real-Time System' (RTS). Using the high spatial- and…

Instrumentation and Methods for Astrophysics · Physics 2017-08-30 C. H. Jordan , S. Murray , C. M. Trott , R. B. Wayth , D. A. Mitchell , M. Rahimi , B. Pindor , P. Procopio , J. Morgan

Low frequency dynamic spectra of radio bursts from nearby stars offer the best chance to directly detect the stellar signature of transient mass loss on low mass stars. Crosley et al. (2016) proposes a multi-wavelength methodology to…

Solar and Stellar Astrophysics · Physics 2017-08-23 M. K. Crosley , R. A. Osten , C. Norman

The biggest halo coronal mass ejection (CME) since the Halloween storm in 2003, which occurred on 2006 December 13, is studied in terms of its solar source and heliospheric consequences. The CME is accompanied by an X3.4 flare, EUV dimmings…

Traditional pulsar surveys have primarily employed time-domain periodicity searches. However, these methods are susceptible to effects like scattering, eclipses and orbital motion. At lower radio frequencies (<= 300 MHz), factors such as…

High Energy Astrophysical Phenomena · Physics 2024-11-20 S. Sett , M. Sokolowski , E. Lenc , N. D. R. Bhat

We here report a probable detection of a stellar coronal mass ejection (CME) in active M dwarf KIC 8093473 by performing an analysis on its time resolved X-ray spectra observed by XMM-Newton satellite. Compared to the value at quiescent…

Solar and Stellar Astrophysics · Physics 2023-05-16 J. Wang