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19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

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96 papers · 1 filter

physics.space-ph2026★ 31 cited

Radial Evolution of a CIR: Observations From a Nearly Radially Aligned Event Between Parker Solar Probe and STEREO-A

R. C. Allen, G. C. Ho, G. M. Mason +31

The addition of Parker Solar Probe (PSP) to the Heliophysics System Observatory has allowed for the unprecedented ability to study Corotating Interaction Regions (CIRs) at multiple…

physics.space-ph2026★ 35 cited

A living catalog of stream interaction regions in the Parker Solar Probe era

R. C. Allen, G. C. Ho, L. K. Jian +15

Stream interaction regions (SIRs) and corotating interaction regions (CIRs) are important phenomena in heliospheric physics. These large-scale structures vary temporally and spatia…

physics.space-ph2023★ 25 cited

The Structure and Origin of Switchbacks: Parker Solar Probe Observations

Jia Huang, J. C. Kasper, L. A. Fisk +25

Switchbacks are rapid magnetic field reversals that last from seconds to hours. Current Parker Solar Probe (PSP) observations pose many open questions in regard to the nature of sw…

physics.space-ph2023★ 25 cited

On the evolution of the Anisotropic Scaling of Magnetohydrodynamic Turbulence in the Inner Heliosphere

Nikos Sioulas, Marco Velli, Zesen Huang +19

We analyze a merged Parker Solar Probe () and Solar Orbiter () dataset covering heliocentric distances to investigate…

physics.space-ph2022★ 12 cited

Structure and fluctuations of a slow ICME sheath observed at 0.5 au by the Parker Solar Probe

E. K. J. Kilpua, S. W. Good, M. Ala-Lahti +5

Sheaths ahead of interplanetary coronal mass ejections (ICMEs) are turbulent heliospheric structures. Knowledge of their structure and fluctuations is important for understanding t…

physics.space-ph2022★ 11 cited

Switchback Deflections Beyond the Early Parker Solar Probe Encounters

R. Laker, T. S. Horbury, L. Matteini +4

Switchbacks are Aflvénic fluctuations in the solar wind, which exhibit large rotations in the magnetic field direction. Observations from Parker Solar Probe's (PSP's) first two sol…

physics.space-ph2021★ 8 cited

A Systematic Look at the Temperature Gradient Contribution to the Dayside Magnetopause Current

Jason M. H. Beedle, David J. Gershman, Vadim M. Uritsky +2

Magnetopause diamagnetic currents arise from density and temperature driven pressure gradients across the boundary layer. While theoretically recognized, the temperature contributi…

physics.space-ph2021★ 40 cited

Precision Electron Measurements in the Solar Wind at 1 au from NASA's Wind Spacecraft

Chadi S. Salem, Marc Pulupa, Stuart D. Bale +1

This work aims to characterize precisely and systematically the non-thermal characteristics of the electron Velocity Distribution Function (eVDF) in the solar wind at 1 au using da…

physics.space-ph2021★ 4 cited

The solar-wind angular-momentum flux observed during Solar Orbiter's first orbit

Daniel Verscharen, David Stansby, Adam J. Finley +19

Aims: We present the first measurements of the solar-wind angular-momentum (AM) flux recorded by the Solar Orbiter spacecraft. Our aim is the validation of these measurements to su…

physics.space-ph2021

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.…

physics.space-ph2021★ 33 cited

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…

physics.space-ph2021★ 54 cited

Evolution of large-amplitude Alfvén waves and generation of switchbacks in the expanding solar wind

Alfred Mallet, Jonathan Squire, Benjamin D. G. Chandran +2

Motivated by recent Parker Solar Probe (PSP) observations of "switchbacks" (abrupt, large-amplitude reversals in the radial magnetic field, which exhibit Alfvénic correlations) we…

physics.space-ph2021★ 20 cited

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…

physics.space-ph2021★ 28 cited

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…

physics.space-ph2021★ 29 cited

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…

physics.space-ph2021★ 39 cited

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…

physics.space-ph2021★ 45 cited

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…

physics.space-ph2021★ 12 cited

Multi-spacecraft Study of the Solar Wind at Solar Minimum: Dependence on Latitude and Transient Outflows

R. Laker, T. S. Horbury, S. D. Bale +15

The recent launches of Parker Solar Probe (PSP), Solar Orbiter (SO) and BepiColombo, along with several older spacecraft, have provided the opportunity to study the solar wind at m…

physics.space-ph2021★ 38 cited

Using Parker Solar Probe observations during the first four perihelia to constrain global magnetohydrodynamic models

Pete Riley, Roberto Lionello, Ronald M. Caplan +4

Parker Solar Probe (PSP) is providing an unprecedented view of the Sun's corona as it progressively dips closer into the solar atmosphere with each solar encounter. Each set of obs…

physics.space-ph2021★ 61 cited

Anisotropy of Solar-Wind Turbulence in the Inner Heliosphere at Kinetic Scales: PSP Observations

Die Duan, Jiansen He, Trevor A. Bowen +5

The anisotropy of solar wind turbulence is a critical issue in understanding the physics of energy transfer between scales and energy conversion between fields and particles in the…

physics.space-ph2021★ 42 cited

Whistler wave occurrence and the interaction with strahl electrons during the first encounter of Parker Solar Probe

V. K. Jagarlamudi, T. Dudok de Wit, C. Froment +16

We studied the properties and occurrence of narrow band whistler waves and their interaction with strahl electrons observed between 0.17 and 0.26 au during the first encounter of P…

physics.space-ph2020★ 15 cited

Observations of Energized Electrons in the Martian Magnetosheath

K. Horaites, L. Andersson, S. J. Schwartz +5

This observational study demonstrates that the magnitude and location of energization of electrons in the Martian magnetosheath is more complex than previous studies suggest. Elect…

physics.space-ph2020★ 50 cited

Statistical analysis of orientation, shape, and size of solar wind switchbacks

Ronan Laker, Timothy S. Horbury, Stuart D. Bale +9

One of the main discoveries from the first two orbits of Parker Solar Probe (PSP) was the presence of magnetic switchbacks, whose deflections dominated the magnetic field measureme…

physics.space-ph2020★ 45 cited

Turbulence characteristics of switchbacks and non-switchbacks intervals observed by \emph{Parker Solar Probe}

Sofiane Bourouaine, Jean C. Perez, Kristopher C. Klein +5

We use \emph{Parker Solar Probe} (\emph{PSP}) in-situ measurements to analyze the characteristics of solar wind turbulence during the first solar encounter covering radial distance…