activity
20202026
most citedSub-Alfvenic Solar Wind observed by PSP: Characterization of Turbulence, Anisotropy, Intermittency, and Switchback

67 citations · 253 across the 30 of their papers we have counts for

collaborators

32 papers

astro-ph.SR2026

Intermittent turbulence as the driver of stochastic heating in the near-Sun solar wind

Tamar Ervin, Trevor A. Bowen, Alfred Mallet +9

Understanding the mechanism by which the energy is dissipated at small scales to heat the outer corona and expanding solar wind, is a primary goal of the Parker Solar Probe (PSP) m…

astro-ph.SR2026

Direct Measurement of Polar Coronal Hole-like Solar Wind in its Acceleration Phase

Samuel T. Badman, Yeimy J. Rivera, Michael L. Stevens +38

The early evolution of fast polar coronal hole (PCH) solar wind remains largely unconstrained by in situ measurements. In March 2025, Parker Solar Probe (Parker) at its closest app…

astro-ph.SR2026

Statistical Energy Budget of the Solar Wind with Parker Solar Probe and Solar Orbiter : 1 - Unbalanced Total Energy Radial Evolution

Jean-Baptiste Dakeyo, Pascal Démoulin, Victor Réville +9

The magneto-hydrodynamic (MHD) description of the solar wind has long been regarded as one of the most successful frameworks for investigating solar wind heating and acceleration.…

astro-ph.SR2026

Averaging Effects on the Solar Wind Alfven Mach Number: Implications for Switchbacks and Alfven Transition

Joshua Goodwill, Subash Adhikari, Francesco Pecora +10

Averaging techniques in solar wind measurements have been a longstanding subject of debate. Using Parker Solar Probe (PSP) observations from encounters 1 to 19, we investigate how…

astro-ph.SR2026

Shear interaction and acceleration of a corotating stream detected by Parker Solar Probe

Andrea Verdini, Simone Landi, Emanuele Papini +4

Recent analysis of Parker Solar Probe (PSP) and Solar Orbiter data indicates that fluctuations energy is transferred to the bulk flow in fast streams of the solar wind at heliocent…

astro-ph.SR2026

On the Radial Evolution of the Solar Wind : The Source Alignment Method Applied to Parker Solar Probe and Solar Orbiter Observations

Jean-Baptiste Dakeyo, Tamar Ervin, Stuart Bale +10

The properties of the solar wind, as measured in situ throughout the heliosphere, depend both on the characteristics of its coronal source and on the intrinsic processes governing…

astro-ph.SR2026

Parker Solar Probe Observations of Compound Reconnection Exhaust Boundaries and Mirror-Mode Structures in the Near-Sun Heliospheric Current Sheet

Weijie Sun, Tai Phan, Jia Huang +12

Magnetic reconnection is a fundamental physical process that can drive rapid conversion of magnetic energy into plasma bulk flows, thermal heating, and particle acceleration in spa…

astro-ph.SR2026

Parker Solar Probe observations of solar energetic particle (SEP) events with inverse velocity arrival (IVA) features

Zigong Xu, C. M. S. Cohen, R. A. Leske +21

In SEP events, velocity dispersion (VD) is characterized by the earlier arrival of faster, higher-energy particles relative to slower ones, assuming negligible acceleration time an…

astro-ph.SR2025

In situ Evidence of 5-minute Oscillations from Parker Solar Probe

Zesen Huang, Marco Velli, Olga Panasenco +19

The Sun's surface vibrates in characteristic 5-minute oscillations, known as p-modes, generated by sound waves trapped within the convection zone. Although these oscillations have…

astro-ph.SR2025★ 1 cited

On the Propagation and Damping of Alfvenic Fluctuations in the Outer Solar Corona and Solar Wind

Nikos Sioulas, Marco Velli, Chen Shi +17

We analyze \textit{Parker Solar Probe} and \textit{Solar Orbiter} observations to investigate the propagation and dissipation of Alfvénic fluctuations from the outer corona to 1~AU…

astro-ph.SR2025

Characterization of the Trans-Alfvénic Region Using Observations from Parker Solar Probe

Subash Adhikari, Riddhi Bandyopadhyay, Joshua Goodwill +14

Close to Earth the solar wind is usually super-Alfvénic, i.e. the speed of the solar wind is much larger than the Alfvén speed. However, in the lower coronal regions, the solar win…

physics.space-ph2025★ 4 cited

The impact of Alfvenic shear flow on magnetic reconnection and turbulence

Tamar Ervin, Alfred Mallet, Stefan Eriksson +9

Magnetic reconnection is a fundamental and omnipresent energy conversion process in plasma physics. Novel observations of fields and particles from Parker Solar Probe (PSP) have sh…

astro-ph.SR2025

On the origin of the dominant waves in the extended solar corona

Forrest Mozer, Oleksiy Agapitov, Orlando Romeo +2

The extended solar corona at 10-30 solar radii is essentially devoid of all waves below 100 kHz other than triggered ion acoustic waves (TIAW), which consist of a low frequency ele…

physics.space-ph2025

Compression and Reconnection Investigations of the MagnetoPause (CRIMP): A Mission Concept to Uncover the Impact of Mesoscale Reconnection and Plasma Outflow Processes at the Dayside Magnetopause

Jason M. H. Beedle, Bryan C. Cline, Samuel T. Badman +18

The Compression and Reconnection Investigations of the Magnetopause (CRIMP) mission is a hypothesis-driven, Heliophysics Medium-Class Explorer (MIDEX) Announcement of Opportunity (…

astro-ph.SR2025★ 4 cited

Radial dependence of ion fluences in the 2023 July 17 SEP event from Parker Solar Probe to STEREO and ACE

G. D. Muro, C. M. S Cohen, Z. Xu +18

In the latter moments of 17 July 2023, the solar active region 13363, near the southwestern face of the Sun, was undergoing considerable evolution, which resulted in a significant…

astro-ph.SR2024

Highly Polarized Type III Storm Observed with Parker Solar Probe

Marc Pulupa, Stuart D. Bale, Immanuel Christopher Jebaraj +2

The Parker Solar Probe (PSP) spacecraft observed a large coronal mass ejection (CME) on 5 September 2022, shortly before closest approach during the 13th PSP solar encounter. For s…

astro-ph.SR2024★ 7 cited

Observed Fluctuation Enhancement and Departure from WKB Theory in Sub-Alfvénic Solar Wind

David Ruffolo, Panisara Thepthong, Peera Pongkitiwanichakul +12

Using Parker Solar Probe data from orbits 8 through 17, we examine fluctuation amplitudes throughout the critical region where the solar wind flow speed approaches and then exceeds…

astro-ph.SR2024★ 11 cited

Near subsonic solar wind outflow from an active region

Tamar Ervin, Stuart D. Bale, Samuel T. Badman +10

During Parker Solar Probe (Parker) Encounter 15 (E15), we observe an 18-hour period of near subsonic ( 1) and sub-Alfvénic (SA), <<< 1, slow speed…

astro-ph.SR2024

Probing Turbulent Scattering Effects on Suprathermal Electrons in the Solar Wind: Modeling, Observations and Implications

Arnaud Zaslavsky, Justin C. Kasper, Eduard P. Kontar +7

This study explores the impact of a turbulent scattering mechanism, akin to those influencing solar and galactic cosmic rays propagating in the interplanetary medium, on the popula…

astro-ph.SR2024★ 39 cited

On the Mesoscale Structure of CMEs at Mercury's Orbit: BepiColombo and Parker Solar Probe Observations

Erika Palmerio, Fernando Carcaboso, Leng Ying Khoo +27

On 2022 February 15, an impressive filament eruption was observed off the solar eastern limb from three remote-sensing viewpoints, namely Earth, STEREO-A, and Solar Orbiter. In add…

astro-ph.SR2023

Proton and Alpha Driven Instabilities in an Ion Cyclotron Wave Event

Michael D. McManus, Kristopher G. Klein, Davin Larson +8

Ion scale wave events or "wave storms" in the solar wind are characterised by enhancements in magnetic field fluctuations as well as coherent magnetic field polarisation signatures…

astro-ph.SR2023★ 17 cited

Compositional metrics of fast and slow Alfvenic solar wind emerging from coronal holes and their boundaries

Tamar Ervin, Stuart D. Bale, Samuel T. Badman +7

We seek to understand the composition and variability of fast (FSW) and slow Alfvenic solar wind (SASW) emerging from coronal holes (CH). We leverage an opportune conjunction betwe…

physics.space-ph2023★ 12 cited

The Temperature, Electron, and Pressure Characteristics of Switchbacks: Parker Solar Probe Observations

Jia Huang, Justin C. Kasper, Davin E. Larson +19

Parker Solar Probe (PSP) observes unexpectedly prevalent switchbacks, which are rapid magnetic field reversals that last from seconds to hours, in the inner heliosphere, posing new…

astro-ph.SR2023★ 11 cited

Arguments for the physical nature of the triggered ion-acoustic waves observed on the Parker Solar Probe

Forrest Mozer, Stuart Bale, Paul Kellogg +3

Triggered ion-acoustic waves are a pair of coupled waves observed in the previously unexplored plasma regime near the Sun. They may be capable of producing important effects on the…