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The spacecraft wake: Interference with electric field observations and a possibility to detect cold ions
M. André, A. I. Eriksson, Yu. V. Khotyaintsev +1
Wakes behind spacecraft caused by supersonic drifting positive ions are common in plasmas and disturb in situ measurements. We review the impact of wakes on observations by the Ele…
On the applicability of single-spacecraft interferometry methods using electric field probes
Konrad Steinvall, Yuri V. Khotyaintsev, Daniel B. Graham
When analyzing plasma waves, a key parameter to determine is the phase velocity. It enables us to, for example, compute wavelengths, wave potentials, and determine the energy of re…
Solar Orbiter/RPW antenna calibration in the radio domain and its application to type III burst observations
A. Vecchio, M. Maksimovic, V. Krupar +18
In order to allow for a comparison with the measurements from other antenna systems, the voltage power spectral density measured by the Radio and Plasma waves receiver (RPW) on boa…
Whistler instability driven by the sunward electron deficit in the solar wind
Laura Berčič, Daniel Verscharen, Christopher J. Owen +18
Solar wind electrons play an important role in the energy balance of the solar wind acceleration by carrying energy into interplanetary space in the form of electron heat flux. The…
Statistical study of electron density turbulence and ion-cyclotron waves in the inner heliosphere: Solar Orbiter observations
F. Carbone, L. Sorriso-Valvo, Yu. V. Khotyaintsev +27
The recently released spacecraft potential measured by the RPW instrument on-board Solar Orbiter has been used to estimate the solar wind electron density in the inner heliosphere.…
Signatures of coronal hole substructure in the solar wind: combined Solar Orbiter remote sensing and in situ measurements
T. S. Horbury, R. Laker, L. Rodriguez +21
Context. The Sun's complex corona is the source of the solar wind and interplanetary magnetic field. While the large scale morphology is well understood, the impact of variations i…
First dust measurements with the Solar Orbiter Radio and Plasma Wave instrument
A. Zaslavsky, I. Mann, J. Soucek +20
Impacts of dust grains on spacecraft are known to produce typical impulsive signals in the voltage waveform recorded at the terminals of electric antennas. Such signals are routine…
Solar wind current sheets and deHoffmann-Teller analysis: First results of DC electric field measurements by Solar Orbiter
K. Steinvall, Yu. V. Khotyaintsev, G. Cozzani +25
Solar Orbiter was launched on February 10, 2020 with the purpose of investigating solar and heliospheric physics using a payload of instruments designed for both remote and in-situ…
Kinetic Electrostatic Waves and their Association with Current Structures in the Solar Wind
D. B. Graham, Yu. V. Khotyaintsev, A. Vaivads +21
A variety of kinetic waves develop in the solar wind. The relationship between these waves and larger-scale structures, such as current sheets and ongoing turbulence remain a topic…
First-year ion-acoustic wave observations in the solar wind by the RPW/TDS instrument onboard Solar Orbiter
D. Píša, J. Souček, O. Santolík +21
Electric field measurements of the Time Domain Sampler (TDS) receiver, part of the Radio and Plasma Waves (RPW) instrument on board Solar Orbiter, often exhibit very intense broadb…
Electrostatic solitary waves in the Earth's bow shock: nature, properties, lifetimes and origin
R. Wang, I. Y. Vasko, F. S. Mozer +4
We present a statistical analysis of more than two thousand bipolar electrostatic solitary waves (ESW) collected from ten quasi-perpendicular Earth's bow shock crossings by Magneto…
Density Fluctuations Associated with Turbulence and Waves: First Observations by Solar Orbiter
Yu. V. Khotyaintsev, D. B. Graham, A. Vaivads +21
We use the plasma density based on measurements of the probe-to-spacecraft potential in combination with magnetic field measurements by MAG to study fields and density fluctuations…
Non-Maxwellianity of electron distributions near Earth's magnetopause
D. B. Graham, Yu. V. Khotyaintsev, M. André +6
Plasmas in Earth's outer magnetosphere, magnetosheath, and solar wind are essentially collisionless. This means particle distributions are not typically in thermodynamic equilibriu…
Kinetic features for the identification of Kelvin-Helmholtz vortices in \textit{in situ} observations
A. Settino, D. Perrone, Yu. V. Khotyaintsev +2
The boundaries identification of Kelvin-Helmholtz vortices in observational data has been addressed by searching for single-spacecraft small-scale signatures. A recent hybrid Vlaso…
Observations of Short-Period Ion-Scale Current Sheet Flapping
L. Richard, Yu. V. Khotyaintsev, D. B. Graham +3
Kink-like flapping motions of current sheets are commonly observed in the magnetotail. Such oscillations have periods of a few minutes down to a few seconds and they propagate towa…