Explanipedia

Dual-band Ion-scale Waves in the Solar Wind: Statistical Properties and Comparison with Single-band Ion-scale Waves Open

S. J. Noh, Dae‐Young Lee, Xiangrong Fu, Fan Guo, Misa Cowee , et al. · 2025

We present a comprehensive statistical analysis of ion-scale waves including dual-band ion-scale waves (DBIWs) observed by the Parker Solar Probe in the solar wind. DBIWs are characterized by the simultaneous occurrence of distinct left- a…

Simultaneous Observation of Ion-scale Wave Packets with Opposite Polarizations and Their Implications on the Generation Region in the Inner Heliosphere Open

S. J. Noh, Xiangrong Fu, Misa Cowee, L. K. Jian, Dae‐Young Lee , et al. · 2025

This paper reports a dispersion analysis of two wave packets simultaneously observed near the local proton gyrofrequency by the Parker Solar Probe. The observed wave event exhibits clear two-banded wave packets both propagating along the m…

Total Ionizing Dose Observations On-Board STPSat-6 in GEO Open

Carlos Maldónado, A. J. Rogers, J. T. Steinberg, R. M. Skoug, Steven K. Morley , et al. · 2024

The Falcon Solid-state Energetic Electron Detector (SEED) is an energetic charged particle sensor that has been developed at the United States Air Force Academy to monitor electron flux across the energy range of 14 to 145 keV in geosynchr…

Imprint of the Coronal Temperature on Suprathermal Electrons at ACE Open

J. T. Steinberg, R. M. Skoug, Lydia Joy England, Emma Conrad · 2024

Presentation - Development of the Experiment for Space Radiation Analysis (ESRA) CubeSat Mission to GTO Open

Carlos Maldónado, Jonathan Deming, Brooke N. Mosley, Justin McGlown, Anthony Nelson , et al. · 2024

The Genesis Mission: Solar Wind Conditions, and Implications for the FIP Fractionation of the Solar Wind. Open

D. B. Reisenfeld, R. C. Wiens, B. L. Barraclough, J. T. Steinberg, C. A. Dekoning , et al. · 2024

The NASA Genesis mission collected solar wind on ultrapure materials between November 30, 2001 and April 1, 2004. The samples were returned to Earth September 8, 2004. Despite the hard landing that resulted from a failure of the avionics t…

HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence Open

K. G. Klein, H. E. Spence, Olga Alexandrova, M. R. Argall, Lev Arzamasskiy , et al. · 2023

Heavy Ions: A Critical Measurement for Understanding the Solar Wind/Ionosphere/Magnetosphere Open

P. A. Fernandes, Raluca Ilie, Carlos Maldónado, Gian Luca Delzanno, M. H. Denton , et al. · 2023

Whitepaper #106 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: basic research. Additional topics: system science; user-need-driven basic space weather research.

HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence Open

K. G. Klein, H. E. Spence, Olga Alexandrova, M. R. Argall, Lev Arzamasskiy , et al. · 2023

HelioSwarm (HS) is a NASA Medium-Class Explorer mission of the Heliophysics Division designed to explore the dynamic three-dimensional mechanisms controlling the physics of plasma turbulence, a ubiquitous process occurring in the heliosphe…

Compressible Turbulence in the Near-Sun Solar Wind: Parker Solar Probe’s First Eight Perihelia Open

M. E. Cuesta, Rohit Chhiber, Xiangrong Fu, Senbei Du, Yan Yang , et al. · 2023

Many questions remain about the compressibility of solar wind turbulence with respect to its origins and properties. Low plasma beta (ratio of thermal to magnetic pressure) environments allow for the easier generation of compressible turbu…

Compressible Turbulence in the Near-Sun Solar Wind: Parker Solar Probe's First Eight Perihelia Open

M. E. Cuesta, Rohit Chhiber, Xiangrong Fu, Senbei Du, Yan Yang , et al. · 2023

Many questions remain about the compressibility of solar wind turbulence with respect to its origins and properties. Low plasma beta (ratio of thermal to magnetic pressure) environments allow for the easier generation of compressible turbu…

Nature and Scalings of Density Fluctuations of Compressible Magnetohydrodynamic Turbulence with Applications to the Solar Wind Open

Xiangrong Fu, Hui Li, Zhaoming Gan, Senbei Du, J. T. Steinberg · 2022

The solar wind is a magnetized and turbulent plasma. Its turbulence is often dominated by Alfvénic fluctuations and often deemed as nearly incompressible far away from the Sun, as shown by in situ measurements near 1 au. However, for solar…

Temperature of Suprathermal Electron Strahl at ACE as an Indicator of Solar Coronal Origin Temperature [Slides] Open

J. T. Steinberg, Lydia Joy England, R. M. Skoug · 2022

Determine the effectiveness of using electron strahl temperature to infer coronal source temperature. Suprathermal electron strahl temperature derived from measurements at 1 AU does retain information regarding the coronal source temperatu…

Nature and Scalings of Density Fluctuations of Compressible MHD Turbulence with Applications to the Solar Wind Open

Xiangrong Fu, Hui Li, Zhaoming Gan, Senbei Du, J. T. Steinberg · 2022

The solar wind is a magnetized and turbulent plasma. Its turbulence is often dominated by Alfvénic fluctuations and often deemed as nearly incompressible far away from the Sun, as shown by in-situ measurements near 1AU. However, for solar …

Alfvénic velocity spikes and rotational flows in the near-Sun solar wind Open

J. C. Kasper, S. D. Bale, J. W. Belcher, M. Berthomier, A. W. Case , et al. · 2019

Low‐Resource Technique for Measurement of H<sup>+</sup> and O<sup>+</sup> in the Terrestrial Magnetosphere Open

P. A. Fernandes, H. O. Funsten, E. E. Dors, R. W. Harper, B. Larsen , et al. · 2019

Measurement of O + in the Earth's magnetosphere is important for monitoring and understanding the initiation and evolution of geomagnetic activity. During active times, O + can be the most abundant ion in the magnetosphere. Furthermore, be…

Data for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere" Open

P. A. Fernandes, H. O. Funsten, E. E. Dors, R. W. Harper, B. Larsen , et al. · 2019

Data set for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere" to be published in Journal of Geophysical Research: Space Physics (Technical Methods). Data set is a single Microsoft Excel file cont…

Data for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere" Open

P. A. Fernandes, H. O. Funsten, E. E. Dors, R. W. Harper, B. Larsen , et al. · 2019

Data set for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere" to be published in Journal of Geophysical Research: Space Physics (Technical Methods). Data set is a single Microsoft Excel file cont…

[Plasma 2020 Decadal] Multipoint Measurements of the Solar Wind: A\n Proposed Advance for Studying Magnetized Turbulence Open

K. G. Klein, Olga Alexandrova, Jay A. Bookbinder, Damiano Caprioli, A. W. Case , et al. · 2019

A multi-institutional, multi-national science team will soon submit a NASA\nproposal to build a constellation of spacecraft to fly into the near-Earth\nsolar wind in a swarm spanning a multitude of scales in order to obtain\ncritically nee…

Multipoint measurements of the solar wind: A proposed advance for studying magnetized turbulence Open

K. G. Klein, Olga Alexandrova, Jay A. Bookbinder, Damiano Caprioli, A. W. Case , et al. · 2019

A multi-institutional, multi-national science team will soon submit a NASA proposal to build a constellation of spacecraft to fly into the near-Earth solar wind in a swarm spanning a multitude of scales in order to obtain critically needed…

Solar Wind Electrons Alphas and Protons (SWEAP) Investigation: Design of the Solar Wind and Coronal Plasma Instrument Suite for Solar Probe Plus Open

J. C. Kasper, R. Abiad, Gerry Austin, Marianne Balat‐Pichelin, S. D. Bale , et al. · 2015

Solar Wind Electrons Alphas and Protons (SWEAP) Investigation: Design of the Solar Wind and Coronal Plasma Instrument Suite for Solar Probe Plus Open

J. C. Kasper, R. Abiad, Gerry Austin, Marianne Balat‐Pichelin, S. D. Bale , et al. · 2015

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