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We compare estimates of the speed and width of coronal mass ejections (CMEs) in several catalogs for the CMEs associated with ~200 solar energetic particle (SEP) events in 2006-2013 that included 25 MeV protons. The catalogs used are: CDAW,…

Solar and Stellar Astrophysics · Physics 2016-04-13 Ian G. Richardson , Tycho T. von Rosenvinge , Hilary V. Cane

A powerful coronal mass ejection (CME) occurred on 2017 September 10 near the end of the declining phase of the historically weak solar cycle 24. We obtain new insights concerning the geometry and kinematics of CME-driven shocks in relation…

Solar and Stellar Astrophysics · Physics 2019-01-23 Ying D. Liu , Bei Zhu , Xiaowei Zhao

Coronal Mass Ejections (CMEs) drive space weather activity at Earth and throughout the solar system. Current CME-related space weather predictions rely on information reconstructed from coronagraphs, sometimes from only a single viewpoint,…

Solar and Stellar Astrophysics · Physics 2022-05-11 C. Kay , M. L. Mays , Y. M. Collado-Vega

Geometric modelling of Coronal Mass Ejections (CMEs) is a widely used tool for assessing their kinematic evolution. Furthermore, techniques based on geometric modelling, such as ELEvoHI, are being developed into forecast tools for space…

Since Coronal Mass Ejections (CMEs) are the major drivers of space weather, it is crucial to study their evolution starting from the inner corona. In this work we use Graduated Cylindrical Shell (GCS) model to study the 3D evolution of 59…

Solar and Stellar Astrophysics · Physics 2020-08-12 Satabdwa Majumdar , Vaibhav Pant , Ritesh Patel , Dipankar Banerjee

Coronal mass ejections (CMEs) on stars other than the Sun have proven very difficult to detect. One promising pathway lies in the detection of type II radio bursts. Their appearance and distinctive properties are associated with the…

The Earth's magnetosphere is formed as a consequence of interaction between the planet's magnetic field and the solar wind, a continuous plasma stream from the Sun. A number of different solar wind phenomena have been studied over the past…

We determine the 3D geometry and deprojected mass of 29 well-observed coronal mass ejections (CMEs) and their interplanetary counterparts (ICMEs) using combined STEREO-SOHO white-light data. From the geometry parameters we calculate the…

Coronal mass ejections (CMEs) and corotating interaction regions (CIRs) as well as their source regions are important because of their space weather consequences. The current understanding of CMEs primarily comes from the Solar and…

Coronal Mass Ejections (CMEs) are one of the primary drivers of extreme space weather. They are large eruptions of mass and magnetic field from the solar corona and can travel the distance between Sun and Earth in half a day to a few days.…

Solar and Stellar Astrophysics · Physics 2020-05-13 Talwinder Singh , Mehmet S. Yalim , Nikolai V. Pogorelov , Nat Gopalswamy

Context. Stellar coronal mass ejections (CMEs) are the primary driver of the exoplanetary space weather and they could affect the habitability of exoplanets. However, detections of possible stellar CME signatures are extremely rare. Aims.…

We present a hybrid combination of forward and inverse reconstruction methods using multiple observations of a coronal mass ejection (CME) to derive the 3D 'true' Height-Time plots for individual CME components. We apply this hybrid method…

Solar and Stellar Astrophysics · Physics 2015-05-13 Alex Antunes , Arnaud Thernisien , Amos Yahil

Coronal Mass Ejections (CMEs) contributes to the perturbation of solar wind in the heliosphere. Thus, depending on the different phases of the solar cycle and the rate of CME occurrence, contribution of CMEs to solar wind parameters near…

Solar and Stellar Astrophysics · Physics 2019-01-30 Wageesh Mishra , Nandita Srivastava , Zavkiddin Mirtoshev , Yuming Wang

Coronal mass ejections (CMEs) are a manifestation of the Sun's eruptive nature. They can have a great impact on Earth, but also on human activity in space and on the ground. Therefore, modelling their evolution as they propagate through…

Solar and Stellar Astrophysics · Physics 2021-08-04 E. Asvestari , J. Pomoell , E. Kilpua , S. Good , T. Chatzistergos , M. Temmer , E. Palmerio , S. Poedts , J. Magdalenic

Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predictions has expanded to include impacts at other planets…

In this paper we present a statistical study of the kinematics of 28894 coronal mass ejections (CMEs) recorded by the Large Angle and Spectrometric Coronagraph (LASCO) on board the Solar and Heliospheric Observatory spacecraft from 1996…

Solar and Stellar Astrophysics · Physics 2020-10-07 Anitha Ravishankar , Grzegorz Michalek , Seiji Yashiro

We present a comprehensive statistical analysis of 106 sheath regions driven by coronal mass ejections (CMEs) and measured near 1 AU. Using data from the STEREO probes, this extended analysis focuses on two discrete categorizations. In the…

Solar and Stellar Astrophysics · Physics 2021-11-17 T. M. Salman , N. Lugaz , R. M. Winslow , C. J. Farrugia , L. K. Jian , A. B. Galvin

We investigate how a weak coronal mass ejection (CME) launched on 2016 October 8 without obvious signatures in the low corona produced a relatively intense geomagnetic storm. Remote sensing observations from SDO, STEREO and SOHO and in situ…

Space Physics · Physics 2018-06-20 Wen He , Ying D. Liu , Huidong Hu , Rui Wang , Xiaowei Zhao

We present here an overview of an important solar phenomenon with major implication for space weather and planetary life. The coronal mass ejections (CMEs) come from the Sun and expand in the heliosphere, becoming interplanetary coronal…

Solar and Stellar Astrophysics · Physics 2014-06-13 Cristiana Dumitrache , Nedelia A. Popescu
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