Map** the Sun's coronal magnetic field using the Zeeman effect

TA Schad, GJD Petrie, JR Kuhn, A Fehlmann… - Science …, 2024‏ - science.org
Regular remote sensing of the magnetic field embedded within the million-degree solar
corona is severely lacking. This reality impedes fundamental investigations of the nature of …

Observations of cross scale energy transfer in the inner heliosphere by Parker Solar Probe

TN Parashar, WH Matthaeus - Reviews of Modern Plasma Physics, 2022‏ - Springer
The solar wind, a continuous flow of plasma from the sun, not only shapes the near Earth
space environment but also serves as a natural laboratory to study plasma turbulence in …

Solar wind driven from gong magnetograms in the last solar cycle

Z Huang, G Tóth, N Sachdeva… - The Astrophysical …, 2024‏ - iopscience.iop.org
In a previous study, Huang et al. used the Alfvén Wave Solar atmosphere Model, one of the
widely used solar wind models in the community, driven by ADAPT-GONG magnetograms to …

Global sensitivity analysis and uncertainty quantification for background solar wind using the Alfvén wave solar atmosphere model

A Jivani, N Sachdeva, Z Huang, Y Chen… - Space …, 2023‏ - Wiley Online Library
Modeling the impact of space weather events such as coronal mass ejections (CMEs) is
crucial to protecting critical infrastructure. The Space Weather Modeling Framework is a …

The solar minimum eclipse of 2019 july 2. II. The first absolute brightness measurements and MHD model predictions of Fe x, xi, and xiv out to 3.4 R⊙

B Boe, S Habbal, C Downs… - The Astrophysical …, 2022‏ - iopscience.iop.org
We present the spatially resolved absolute brightness of the Fe x, Fe xi, and Fe xiv visible
coronal emission lines from 1.08 to 3.4 R⊙, observed during the 2019 July 2 total solar …

Assessing the performance of the ADAPT and AFT flux transport models using in situ measurements from multiple satellites

KJ Knizhnik, MJ Weberg, E Provornikova… - The Astrophysical …, 2024‏ - iopscience.iop.org
Abstract The launches of Parker Solar Probe (Parker) and Solar Orbiter (SolO) are enabling
a new era of solar wind studies that track the solar wind from its origin at the photosphere …

Evolution of magnetic field fluctuations and their spectral properties within the heliosphere: Statistical approach

J Šafránková, Z Němeček, F Němec… - The Astrophysical …, 2023‏ - iopscience.iop.org
We present the first comprehensive statistical study of the evolution of compressive and
noncompressive magnetic field fluctuations in the inner heliosphere. Based on Parker Solar …

Simulating Compressive Stream Interaction Regions during Parker Solar Probe's First Perihelion Using Stream-aligned Magnetohydrodynamics

EM Wraback, AP Hoffmann… - The Astrophysical …, 2024‏ - iopscience.iop.org
We used the stream-aligned magnetohydrodynamics (SA-MHD) model to simulate
Carrington rotation 2210, which contains Parker Solar Probe's (PSP) first perihelion at 36.5 …

An extended and fragmented Alfvén zone in the young solar wind

R Chhiber, WH Matthaeus, AV Usmanov… - Monthly Notices of …, 2022‏ - academic.oup.com
Motivated by theoretical, numerical, and observational evidence, we explore the possibility
that the critical transition between sub-Alfvénic flow and super-Alfvénic flow in the solar …

Charge state calculation for global solar wind modeling

J Szente, E Landi, B van der Holst - The Astrophysical Journal, 2022‏ - iopscience.iop.org
The charge state composition of the solar wind carries information about the electron
temperature, density, and velocity of plasma in the solar corona that cannot always be …