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Coronal mass ejections (CMEs) on stars can change the stars' magnetic field configurations and mass loss rates during the eruption and propagation and therefore, may affect the stars' rotation properties on long time-scales. The dynamics of…

太阳与恒星天体物理 · 物理学 2024-06-13 Yu Xu , Julián D. Alvarado-Gómez , Hui Tian , Katja Poppenhäger , Gustavo Guerrero , Xianyu Liu

Stellar coronal mass ejections (CMEs) may play an important role in mass- and angular momentum loss of young Sun-like stars. If occurring frequently, they may also have a strong effect on planetary evolution by increasing atmospheric…

太阳与恒星天体物理 · 物理学 2017-09-21 P. Odert , M. Leitzinger , A. Hanslmeier , H. Lammer

Coronal mass ejections (CMEs) are eruptive events that cause a solar-type star to shed mass and magnetic flux. CMEs tend to occur together with flares, radio storms, and bursts of energetic particles. On the Sun, CME-related mass loss is…

太阳与恒星天体物理 · 物理学 2017-05-24 Steven R. Cranmer

Stellar coronal mass ejections (CMEs) are a growing research field, especially during the past decade. The large number of so far detected exoplanets raises the open question for the CME activity of stars, as CMEs may strongly affect…

太阳与恒星天体物理 · 物理学 2022-12-20 Martin Leitzinger , Petra Odert

Recent discoveries have revealed exoplanets orbiting young Sun-like stars, offering a window into the early solar system. These young stars frequently produce extreme magnetic explosions known as superflares, roughly once a day, potentially…

太阳与恒星天体物理 · 物理学 2025-10-28 Kosuke Namekata

Coronal mass ejections (CMEs) are more energetic than any other class of solar phenomena. They arise from the rapid release of up to $10^{33}$ erg of magnetic energy mainly in the form of particle acceleration and bulk plasma motion. Their…

Energetic flares and associated coronal mass ejections (CMEs) from young magnetically active solar-like stars can play a critical role in setting conditions for atmospheric escape as well aspenetration of accelerated particles into their…

太阳与恒星天体物理 · 物理学 2020-01-08 Christina Kay , Vladimir S. Airapetian , Theresa Lüftinger , Oleg Kochukhov

Coronal mass ejections (CMEs) are huge expulsions of magnetized matter from the Sun and stars, traversing space with speeds of millions of kilometers per hour. Solar CMEs can cause severe space weather disturbances and consumer power…

太阳与恒星天体物理 · 物理学 2021-10-26 Astrid M. Veronig , Petra Odert , Martin Leitzinger , Karin Dissauer , Nikolaus C. Fleck , Hugh S. Hudson

The Sun and other solar-type stars have magnetic fields that permeate their interior and surface, extends through the interplanetary medium, and is the main driver of stellar activity. Stellar magnetic activity affects physical processes…

太阳与恒星天体物理 · 物理学 2023-05-15 Fabian Menezes , Adriana Valio , Yuri Netto , Alexandre Araújo , Christina Kay , Merav Opher

The stellar magnetic field completely dominates the environment around late-type stars. It is responsible for driving the coronal high-energy radiation (e.g. EUV/X-rays), the development of stellar winds, and the generation transient events…

Coronal mass ejections (CMEs) are explosive events that occur basically daily on the Sun. It is thought that these events play a crucial role in the angular momentum and mass loss of late-type stars, and also shape the environment in which…

太阳与恒星天体物理 · 物理学 2017-09-20 Heidi Korhonen , Krisztian Vida , Martin Leitzinger , Petra Odert , Orsolya Eszter Kovacs

Coronal mass ejections (CMEs) are the most dynamic phenomena in our solar system. They abruptly disrupt the continuous outflow of solar wind by expelling huge clouds of magnetized plasma into interplanetary space with velocities enabling to…

太阳与恒星天体物理 · 物理学 2016-12-07 Manuela Temmer

Our Sun is an active star expelling dynamic phenomena known as coronal mass ejections (CMEs). The magnetic field configuration on the Sun and related solar wind structures affect the propagation behavior of CMEs, dominate its transit time…

太阳与恒星天体物理 · 物理学 2025-01-22 Manuela Temmer

Solar flares are often accompanied by filament/prominence eruptions, sometimes leading to coronal mass ejections (CMEs). By analogy, we expect that stellar flares are also associated with stellar CMEs whose properties are essential to know…

太阳与恒星天体物理 · 物理学 2022-11-11 Kosuke Namekata , Hiroyuki Maehara , Satoshi Honda , Yuta Notsu , Daisaku Nogami , Kazunari Shibata

Coronal mass ejections (CMEs) are relatively a recently-discovered phenomenon, in 1971, some fifteen years into the Space Era. It took another two decades to realize that CMEs are the most important players in solar terrestrial relationship…

太阳与恒星天体物理 · 物理学 2016-03-08 Nat Gopalswamy

Solar eruptions, known as Coronal Mass Ejections (CMEs), are frequently observed on our Sun. Recent Kepler observations of superflares on G-type stars have implied that so called super-CMEs, possessing kinetic energies 10 times of the most…

太阳与恒星天体物理 · 物理学 2014-10-29 Vladimir S. Airapetian , Alex Glocer , William Danchi

We develop an empirical model to estimate mass-loss rates via coronal mass ejections (CMEs) for solar-type pre-main-sequence (PMS) stars. Our method estimates the CME mass-loss rate from the observed energies of PMS X-ray flares, using our…

太阳与恒星天体物理 · 物理学 2015-06-11 Alicia Aarnio , Sean Matt , Keivan Stassun

Solar coronal dimmings have been observed extensively in the past two decades and are believed to have close association with coronal mass ejections (CMEs). Recent study found that coronal dimming is the only signature that could…

Stellar eruptive events, such as flares and coronal mass ejections (CMEs), can affect planetary habitability by disturbing the stability of their atmospheres. For instance, strong stellar flares and CMEs can trigger atmospheric escape and,…

太阳与恒星天体物理 · 物理学 2025-10-03 Nuri Park , Evgenya L. Shkolnik , Joe Llama

Solar coronal mass ejections (CME) are routinely observed, but as of yet there exist few convincing detections of stellar CMEs. A reason for this could be the stronger magnetic fields of these stars, compared to that of our Sun, would…

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