Parker solar probe: Four years of discoveries at solar cycle minimum

NE Raouafi, L Matteini, J Squire, ST Badman… - Space Science …, 2023 - Springer
Abstract Launched on 12 Aug. 2018, NASA's Parker Solar Probe had completed 13 of its
scheduled 24 orbits around the Sun by Nov. 2022. The mission's primary science goal is to …

Theory of cosmic ray transport in the heliosphere

NE Engelbrecht, F Effenberger, V Florinski… - Space Science …, 2022 - Springer
Modelling the transport of cosmic rays (CRs) in the heliosphere represents a global
challenge in the field of heliophysics, in that such a study, if it were to be performed from first …

Isotropization and evolution of energy-containing eddies in solar wind turbulence: Parker solar probe, helios 1, ace, wind, and voyager 1

ME Cuesta, R Chhiber, S Roy, J Goodwill… - The Astrophysical …, 2022 - iopscience.iop.org
We examine the radial evolution of correlation lengths perpendicular (${\lambda} _
{C}^{\perp} $) and parallel (${\lambda} _ {C}^{\parallel} $) to the magnetic-field direction …

The Trans-Heliospheric Survey-Radial trends in plasma parameters across the heliosphere

BA Maruca, RA Qudsi, BL Alterman, BM Walsh… - Astronomy & …, 2023 - aanda.org
Context. Though the solar wind is characterized by spatial and temporal variability across a
wide range of scales, long-term averages of in situ measurements have revealed clear …

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 …

Magnetic field intermittency in the solar wind: Parker solar probe and SolO observations ranging from the alfvén region up to 1 AU

N Sioulas, Z Huang, M Velli, R Chhiber… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract Parker Solar Probe (PSP) and SolO data are utilized to investigate magnetic field
intermittency in the solar wind (SW). Small-scale intermittency (20− 100 di) is observed to …

Estimates of Proton and Electron Heating Rates Extended to the Near-Sun Environment

R Bandyopadhyay, CM Meyer… - The Astrophysical …, 2023 - iopscience.iop.org
A central problem of space plasma physics is how protons and electrons are heated in a
turbulent, magnetized plasma. The differential heating of charged species due to dissipation …

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 …

Intermittency in the expanding solar wind: Observations from parker solar probe (0.16 au), helios 1 (0.3–1 au), and voyager 1 (1–10 au)

ME Cuesta, TN Parashar, R Chhiber… - The Astrophysical …, 2022 - iopscience.iop.org
We examine statistics of magnetic-field vector components to explore how intermittency
evolves from near-Sun plasma to radial distances as large as 10 au. Statistics entering the …

[HTML][HTML] Stirring the base of the solar wind: On heat transfer and vortex formation

AJ Finley, AS Brun, M Carlsson, M Szydlarski… - Astronomy & …, 2022 - aanda.org
Context. 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 …