activity
20162026
most citedSun-like stars produce superflares roughly once per century

34 citations · 115 across the 14 of their papers we have counts for

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11 papers · 1 filter

astro-ph.SR2026

Sungrazer comets as analogs of star-planet magnetic interactions

L-S. Guité, A. Strugarek, A. J. Finley +5

Star-planet magnetic interactions (SPMIs) can transfer energy from an exoplanet to its host star via Alfvén waves when the planet orbits within a sub-Alfvénic stellar wind. Similar…

astro-ph.SR2026

Chromospheric turbulence as a regulator of stellar wind mass flux

Munehito Shoda, Tom Van Doorsselaere, Allan Sacha Brun

The mass flux of solar and stellar winds is a key quantity for stellar evolution and space weather, yet its physical regulation mechanism remains an unsolved problem. In particular…

astro-ph.SR2026

POP-CORN: Validation of a new coronal hole detection tool based on neural networks

K. H. P. Henadhira Arachchige, B. Perri, A. S. Brun

The properties and spatial distribution of large-scale structures of the solar corona determine the observed solar wind structure at 1 au. Coronal holes are a major source of fast…

astro-ph.SR2026★ 1 cited

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…

astro-ph.SR2026

Energetics and Emission in a Simulated Solar Flare Initialised by a Non-Force Free Magnetic Field

W. Bate, M. Gordovskyy, A. Prasad +7

Solar flare simulations are commonly initialised using non-linear force free field (NLFF) extrapolations derived from photospheric vector magnetograms. However, the force free assu…

astro-ph.SR2025★ 6 cited

Forecasting the solar cycle using variational data assimilation: validation on cycles 22 to 25

L. Jouve, C. P. Hung, A. S. Brun +5

Forecasting future solar activity has become crucial in our modern world, where intense eruptive phenomena mostly occurring during solar maximum are likely to be strongly damaging…

astro-ph.SR2024★ 34 cited

Sun-like stars produce superflares roughly once per century

Valeriy Vasilyev, Timo Reinhold, Alexander I. Shapiro +7

Stellar superflares are energetic outbursts of electromagnetic radiation, similar to solar flares but releasing more energy, up to erg on main sequence stars. It is unkno…

astro-ph.SR2024

Impact of far-side structures observed by Solar Orbiter on coronal and heliospheric wind simulations

Barbara Perri, Adam Finley, Victor Réville +4

Solar Orbiter provides unique capabilities to understand the heliosphere. In particular, it has made observations of the far-side of the Sun and provides unique information to impr…

astro-ph.SR2024

How well does surface magnetism represent deep Sun-like star dynamo action?

Adam J. Finley, Sacha A. Brun, Antoine Strugarek +1

For Sun-like stars, the generation of toroidal magnetic field from poloidal magnetic field is an essential piece of the dynamo mechanism powering their magnetism. Previous authors…

astro-ph.SR2022★ 29 cited

Stirring the Base of the Solar Wind: On Heat Transfer and Vortex Formation

Adam J. Finley, Sacha A. Brun, Mats Carlsson +3

Current models of the solar wind must approximate (or ignore) the small-scale dynamics within the solar atmosphere, however these are likely important in shaping the emerging wave-…

astro-ph.SR2016★ 28 cited

Characterizing the feedback of magnetic field on the differential rotation of solar-like stars

J. Varela, A. Strugarek, A. S. Brun

The aim of this article is to study how the differential rotation of solar-like stars is influenced by rotation rate and mass in presence of magnetic fields generated by a convecti…