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13 papers · 2 filters
Photospheric Lorentz force changes in eruptive and confined solar flares
Samriddhi Sankar Maity, Ranadeep Sarkar, Piyali Chatterjee +1
Solar flares are known to leave imprints on the magnetic field at the photosphere, often manifested as an abrupt and permanent change in the downward-directed Lorentz force in loca…
Modeling a Coronal Mass Ejection from an Extended Filament Channel. II. Interplanetary Propagation to 1 au
Erika Palmerio, Anwesha Maharana, Benjamin J. Lynch +5
We present observations and modeling results of the propagation and impact at Earth of a high-latitude, extended filament channel eruption that commenced on 2015 July 9. The corona…
Modelling the interaction of Alfvénic fluctuations with coronal mass ejections in the low solar corona
Chaitanya Prasad Sishtla, Jens Pomoell, Rami Vainio +2
Alfvénic fluctuations of various scales are ubiquitous in the corona; their non-linear interactions and eventual turbulent cascade result in an important heating mechanism that acc…
On the short term stability and tilting motion of a well-observed low-latitude solar coronal hole
Stephan G. Heinemann, Stefan J. Hofmeister, James A. Turtle +5
The understanding of the solar magnetic coronal structure is tightly linked to the shape of open field regions, specifically coronal holes. A dynamically evolving coronal hole coin…
Turbulence Properties of Interplanetary Coronal Mass Ejections in the Inner Heliosphere: Dependence on Proton Beta and Flux Rope Structure
S. W. Good, O. K. Rantala, A. -S. M. Jylhä +3
Interplanetary coronal mass ejections (ICMEs) have low proton beta across a broad range of heliocentric distances and a magnetic flux rope structure at large scales, making them a…
The Automatic Identification and Tracking of Coronal Flux Ropes -- Part I: Footpoints and Fluxes
Andreas Wagner, Emilia K. J. Kilpua, Ranadeep Sarkar +5
Investigating the early-stage evolution of an erupting flux rope from the Sun is important to understand the mechanisms of how it looses its stability and its space weather impacts…