Search results for "Gravitational stratification"

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Effect of gravitational stratification on the propagation of a CME

2013

Our aim is to study the role of gravitational stratification on the propagation of CMEs. In particular, we assess how it influences the speed and shape of CMEs and under what conditions the flux rope ejection becomes a CME or when it is quenched. We ran a set of MHD simulations that adopt an eruptive initial magnetic configuration that has already been shown to be suitable for a flux rope ejection. We varied the temperature of the backgroud corona and the intensity of the initial magnetic field to tune the gravitational stratification and the amount of ejected magnetic flux. We used an automatic technique to track the expansion and the propagation of the magnetic flux rope in the MHD simula…

Magnetohydrodynamics (MHD)010504 meteorology & atmospheric sciencescorona [Sun]Sun: coronal mass ejections (CMEs)Stratification (water)FOS: Physical sciencesAstrophysics01 natural sciencesmagnetohydrodynamics (MHD)Physics - Space Physics0103 physical sciencesGravitational stratificationCoronal mass ejectionQB AstronomyAstrophysics::Solar and Stellar Astrophysics010303 astronomy & astrophysicsFlux rope ejectionSolar and Stellar Astrophysics (astro-ph.SR)QB0105 earth and related environmental sciencesPhysicsCoronal mass ejections (CMEs)Sun: coronaAstronomy and AstrophysicsPlasmaCoronaMagnetic fluxSpace Physics (physics.space-ph)coronal mass ejections (CMEs) [Sun]Magnetic fieldAstrophysics - Solar and Stellar AstrophysicsSpace and Planetary SciencePhysics::Space PhysicsMagnetohydrodynamicsRope

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