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Multi-spacecraft observations of the structure of the sheath of an interplanetary coronal mass ejection and related energetic ion enhancement
E. K. J. Kilpua, S. W. Good, N. Dresing +18
Sheaths ahead of coronal mass ejections (CMEs) are large heliospheric structures that form with CME expansion and propagation. Turbulent and compressed sheaths contribute to the ac…
The spheromak tilting and how it affects modelling coronal mass ejections
Eleanna Asvestari, Tobias Rindlisbacher, Jens Pomoell +1
Spheromak type flux ropes are increasingly used for modelling coronal mass ejections (CMEs). Many models aim in accurately reconstructing the magnetic field topology of CMEs, consi…
Understanding the Origins of Problem Geomagnetic Storms Associated With "Stealth" Coronal Mass Ejections
Nariaki V. Nitta, Tamitha Mulligan, Emilia K. J. Kilpua +14
Geomagnetic storms are an important aspect of space weather and can result in significant impacts on space- and ground-based assets. The majority of strong storms are associated wi…
Magnetic Structure and Propagation of Two Interacting CMEs from the Sun to Saturn
Erika Palmerio, Teresa Nieves-Chinchilla, Emilia K. J. Kilpua +14
One of the grand challenges in heliophysics is the characterisation of coronal mass ejection (CME) magnetic structure and evolution from eruption at the Sun through heliospheric pr…
A possible link between turbulence and plasma heating
Emiliya Yordanova, Zoltán Vörös, Luca Sorriso-Valvo +2
Numerical simulations and experimental results have shown that current sheets formation in space plasmas can be associated with enhanced vorticity. Also, in simulations the generat…
Modelling a multi-spacecraft coronal mass ejection encounter with EUHFORIA
E. Asvestari, J. Pomoell, E. Kilpua +6
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. Theref…