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6 papers · 2 filters
Euclid: The convective-transition gap of 47 Tuc
M. Libralato, M. Griggio, R. Gerasimov +140
We report the first detection of the `convective-transition gap' (also known as `M-dwarf gap') in the globular cluster 47 Tuc (NGC 104) thanks to Euclid data. This feature, linked…
Investigation of the Two-Dimensional Velocity Field of the Large-Scale Coronal Wave from September 6, 2011 using the SOLERwave Tool
Markus Baumgartner-Steinleitner, Astrid M. Veronig, Karin Dissauer +1
We investigate the two-dimensional velocity field of the fast and complex large-scale coronal wave observed on September 6, 2011. We use both a classical perturbation profile appro…
Investigating the Relationship Between Physical Properties and Spatial Irregularities at Coronal Hole Boundaries
Nawin Ngampoopun, David M. Long, Lucie M. Green +5
Coronal hole boundaries are the interfaces between closed and open magnetic field regions in the solar atmosphere. Many fundamental processes take place at these regions, including…
Early Evolution of Earth-Directed Coronal Mass Ejections in the Vicinity of Coronal Holes
Suresh Karuppiah, Mateja Dumbović, Karmen Martinić +3
We investigate the deflection and rotation behavior of 49 Earth-directed coronal mass ejections (CMEs) spanning the period from 2010 to 2020 aiming to understand the potential infl…
Formation and rising phase of a flux rope through data-constrained simulations
M. V. Sieyra, A. Strugarek, A. Prasad +8
Context. Data-constrained models incorporate observed photospheric magnetic fields. However, due to the lack of magnetic field information in the rest of the solar atmosphere, mode…
Characterisation of starspot structure and differential rotation of Kepler-411
Mikko Tuomi, András Haris, Thomas Hackman
Starspots and their movements on stellar surfaces enable investigating the mechanisms of stellar magnetic activity. Information on the spot distribution and differential rotation p…