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 …

Electron-driven instabilities in the solar wind

D Verscharen, BDG Chandran, E Boella… - Frontiers in Astronomy …, 2022 - frontiersin.org
The electrons are an essential particle species in the solar wind. They often exhibit non-
equilibrium features in their velocity distribution function. These include temperature …

The radial evolution of the solar wind as organized by electron distribution parameters

JS Halekas, P Whittlesey, DE Larson… - The Astrophysical …, 2022 - iopscience.iop.org
We utilize observations from the Parker Solar Probe (PSP) to study the radial evolution of the
solar wind in the inner heliosphere. We analyze electron velocity distribution functions …

Total electron temperature derived from quasi-thermal noise spectroscopy in the pristine solar wind from Parker Solar Probe observations

M Liu, K Issautier, M Moncuquet… - Astronomy & …, 2023 - aanda.org
Aims. We applied the quasi-thermal noise (QTN) method to Parker Solar Probe (PSP)
observations to derive the total electron temperature (T e). We combined a set of encounters …

Whistler waves generated inside magnetic dips in the young solar wind: Observations of the search-coil magnetometer on board Parker Solar Probe

C Froment, OV Agapitov, V Krasnoselskikh… - Astronomy & …, 2023 - aanda.org
Context. Whistler waves are electromagnetic waves produced by electron-driven
instabilities, which in turn can reshape the electron distributions via wave–particle …

Non-thermal particle acceleration from maximum entropy in collisionless plasmas

V Zhdankin - Journal of Plasma Physics, 2022 - cambridge.org
Dissipative processes cause collisionless plasmas in many systems to develop non-thermal
particle distributions with broad power-law tails. The prevalence of power-law energy …

Whistler Waves in the Young Solar Wind: Statistics of Amplitude and Propagation Direction from Parker Solar Probe Encounters 1–11

KE Choi, O Agapitov, L Colomban… - The Astrophysical …, 2024 - iopscience.iop.org
In the interplanetary space solar wind plasma, whistler waves are observed in a wide range
of heliocentric distances (from∼ 20 solar radii (RS) to Jupiter's orbit). They are known to …

Thermal energy budget of electrons in the inner heliosphere: Parker Solar Probe observations

JB Abraham, D Verscharen, RT Wicks… - The Astrophysical …, 2022 - iopscience.iop.org
We present an observational analysis of the electron thermal energy budget using data from
Parker Solar Probe. We use the macroscopic moments, obtained from our fits to the …

Suprathermal Electron Transport in the Solar Wind: Effects of Coulomb Collisions and Whistler Turbulence

B Tang, L Adhikari, GP Zank, H Che - The Astrophysical Journal, 2024 - iopscience.iop.org
The nature and radial evolution of solar wind electrons in the suprathermal energy range are
studied. A wave–particle interaction tensor and a Fokker–Planck Coulomb collision operator …

Analysis of the background signal in Tianwen-1 MINPA

Z Wang, B Miao, Y Wang, C Shen, L Kong, W Li… - Advances in Space …, 2024 - Elsevier
Abstract Since November 2021, the Tianwen-1 mission has activated its scientific
instrument, the Mars Ion and Neutral Particle Analyzer (MINPA), to detect particles within …