Solar force-free magnetic fields

T Wiegelmann, T Sakurai - Living Reviews in Solar Physics, 2021 - Springer
The structure and dynamics of the solar corona is dominated by the magnetic field. In most
areas in the corona magnetic forces are so dominant that all non-magnetic forces such as …

Understanding the origins of problem geomagnetic storms associated with “stealth” coronal mass ejections

NV Nitta, T Mulligan, EKJ Kilpua, BJ Lynch… - Space Science …, 2021 - Springer
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 …

Closing in on the origin of Galactic cosmic rays using multimessenger information

JB Tjus, L Merten - Physics Reports, 2020 - Elsevier
In cosmic ray physics extensive progress has been made in recent years, both concerning
theory and observation. The vast details in direct, indirect and secondary detections on the …

Predicting the corona for the 21 August 2017 total solar eclipse

Z Mikić, C Downs, JA Linker, RM Caplan… - Nature …, 2018 - nature.com
The total solar eclipse that occurred on 21 August 2017 across the United States provided
an opportunity to test a magnetohydrodynamic model of the solar corona driven by …

3D evolution of neutron star magnetic fields from a realistic core-collapse turbulent topology

C Dehman, D Viganò, S Ascenzi… - Monthly Notices of the …, 2023 - academic.oup.com
We perform the first 3D fully coupled magneto-thermal simulations of neutron stars
(including the most realistic background structure and microphysical ingredients so far) …

COCONUT, a novel fast-converging MHD model for solar corona simulations: I. Benchmarking and optimization of polytropic solutions

B Perri, P Leitner, M Brchnelova… - The Astrophysical …, 2022 - iopscience.iop.org
We present a novel global 3D coronal MHD model called COCONUT, polytropic in its first
stage and based on a time-implicit backward Euler scheme. Our model boosts run-time …

COCONUT, a Novel Fast-converging MHD Model for Solar Corona Simulations. II. Assessing the Impact of the Input Magnetic Map on Space-weather Forecasting at …

B Perri, B Kuźma, M Brchnelova… - The Astrophysical …, 2023 - iopscience.iop.org
This paper is dedicated to the new implicit unstructured coronal code COCONUT, which
aims at providing fast and accurate inputs for space-weather forecasting as an alternative to …

Linking the Sun to the Heliosphere Using Composition Data and Modelling: A Test Case with a Coronal Jet

S Parenti, I Chifu, G Del Zanna, J Edmondson… - Space Science …, 2021 - Springer
Our understanding of the formation and evolution of the corona and the heliosphere is linked
to our capability of properly interpret the data from remote sensing and in-situ observations …

Defining the middle corona

MJ West, DB Seaton, DB Wexler, JC Raymond… - Solar Physics, 2023 - Springer
The middle corona, the region roughly spanning heliocentric distances from 1.5 to 6 solar
radii, encompasses almost all of the influential physical transitions and processes that …

Models and data analysis tools for the Solar Orbiter mission

AP Rouillard, RF Pinto, A Vourlidas, A De Groof… - Astronomy & …, 2020 - aanda.org
Context. The Solar Orbiter spacecraft will be equipped with a wide range of remote-sensing
(RS) and in situ (IS) instruments to record novel and unprecedented measurements of the …