270 citations · 3.2k across the 53 of their papers we have counts for
53 papers
New Observations of Solar Wind 1/f Turbulence Spectrum from Parker Solar Probe
Zesen Huang, Nikos Sioulas, Chen Shi +22
The trace magnetic power spectrum in the solar wind is known to be characterized by a double power law at scales much larger than the proton gyro-radius, with flatter spectral expo…
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…
Magnetic field spectral evolution in the inner heliosphere
Nikos Sioulas, Zesen Huang, Chen Shi +23
Parker Solar Probe and Solar Orbiter data are used to investigate the radial evolution of magnetic turbulence between au. The spectrum is studied as…
Patches of magnetic switchbacks and their origins
Chen Shi, Olga Panasenco, Marco Velli +18
Parker Solar Probe (PSP) has shown that the solar wind in the inner heliosphere is characterized by the quasi omni-presence of magnetic switchbacks ("switchback" hereinafter), loca…
Sub-Alfvenic Solar Wind observed by PSP: Characterization of Turbulence, Anisotropy, Intermittency, and Switchback
R. Bandyopadhyay, W. H. Matthaeus, D. J. McComas +18
In the lower solar coronal regions where the magnetic field is dominant, the Alfven speed is much higher than the wind speed. In contrast, the near-Earth solar wind is strongly sup…
Exploring the Solar Wind from its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter - Parker Solar Probe Quadrature
Daniele Telloni, Vincenzo Andretta, Ester Antonucci +68
This Letter addresses the first Solar Orbiter (SO) -- Parker Solar Probe (PSP) quadrature, occurring on January 18, 2021, to investigate the evolution of solar wind from the extend…
Ambipolar electric field and potential in the solar wind estimated from electron velocity distribution functions
Laura Bercic, Milan Maksimovic, Jasper S. Halekas +17
The solar wind escapes from the solar corona and is accelerated, over a short distance, to its terminal velocity. The energy balance associated with this acceleration remains poorl…
Solar wind energy flux observations in the inner heliosphere: First results from Parker Solar Probe
M. Liu, K. Issautier, N. Meyer-Vernet +15
We investigate the solar wind energy flux in the inner heliosphere using 12-day observations around each perihelion of Encounter One (E01), Two (E02), Four (E04), and Five (E05) of…
Encounter of Parker Solar Probe and a Comet-like Object During Their Perihelia: Model Predictions and Measurements
Jiansen He, Bo Cui, Liping Yang +15
Parker Solar Probe (PSP) aims at exploring the nascent solar wind close to the Sun. Meanwhile, PSP is also expected to encounter small objects like comets and asteroids. In this wo…
The Contribution of Alpha Particles to the Solar Wind Angular Momentum Flux in the Inner Heliosphere
Adam J. Finley, Michael D. McManus, Sean P. Matt +14
An accurate assessment of the Sun's angular momentum (AM) loss rate is an independent constraint for models that describe the rotation evolution of Sun-like stars. In-situ measurem…
Wave-particle energy transfer directly observed in an ion cyclotron wave
Daniel Vech, Mihailo M. Martinovic, Kristopher G. Klein +21
Context. The first studies with Parker Solar Probe (PSP) data have made significant progress toward the understanding of the fundamental properties of ion cyclotron waves in the in…
Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters
L. -L. Zhao, G. P. Zank, Q. Hu +22
We systematically search for magnetic flux rope structures in the solar wind to within the closest distance to the Sun of 0.13 AU, using data from the third and fourth orbits of th…
Measurement of the Open Magnetic Flux in the Inner Heliosphere down to 0.13AU
Samuel T. Badman, Stuart D. Bale, Alexis P. Rouillard +7
(Abridged) Aim: We attempt to determine robust estimates of the heliospheric magnetic flux () using Parker Solar Probe (PSP) data, analyze how susceptible this is to overestim…
Narrowband oblique whistler-mode waves: Comparing properties observed by Parker Solar Probe at <0.2 AU and STEREO at 1 AU
C. Cattell, B. Short, A. Breneman +15
AIM: Large amplitude narrowband obliquely propagating whistler-mode waves at frequencies of ~0.2 fce (electron cyclotron frequency) are commonly observed at 1 AU, and are most cons…
Small-scale Magnetic Flux Ropes in the First two Parker Solar Probe Encounters
Yu Chen, Qiang Hu, Lingling Zhao +15
Small-scale magnetic flux ropes (SFRs) are a type of structures in the solar wind that possess helical magnetic field lines. In a recent report (Chen & Hu 2020), we presented the r…
Dust impact voltage signatures on Parker Solar Probe: influence of spacecraft floating potential
S. D. Bale, K. Goetz, J. W. Bonnell +15
When a fast dust particle hits a spacecraft, it generates a cloud of plasma some of which escapes into space and the momentary charge imbalance perturbs the spacecraft voltage with…
Parker Solar Probe observations of proton beams simultaneous with ion-scale waves
J. L. Verniero, D. E. Larson, R. Livi +19
Parker Solar Probe (PSP), NASA's latest and closest mission to the Sun, is on a journey to investigate fundamental enigmas of the inner heliosphere. This paper reports initial obse…
Localized magnetic field structures and their boundaries in the near-Sun solar wind from Parker Solar Probe measurements
V. Krasnoselskikh, A. Larosa, O. Agapitov +18
One of the discoveries made by Parker Solar Probe during first encounters with the Sun is the ubiquitous presence of relatively small-scale structures standing out as sudden deflec…
Coronal Electron Temperature inferred from the Strahl Electrons in the Inner Heliosphere: Parker Solar Probe and Helios observations
Laura Bercic, Davin Larson, Phyllis Whittlesey +17
The shape of the electron velocity distribution function plays an important role in the dynamics of the solar wind acceleration. Electrons are normally modelled with three componen…
Sunward propagating whistler waves collocated with localized magnetic field holes in the solar wind: Parker Solar Probe observations at 35.7 Sun radii
O. V. Agapitov, T. Dudok de Wit, F. S. Mozer +21
Observations by the Parker Solar Probe mission of the solar wind at about 35.7 solar radii reveal the existence of whistler wave packets with frequencies below 0.1 f/fce (20-80 Hz…
The Radial Dependence of Proton-scale Magnetic Spectral Break in Slow Solar Wind during PSP Encounter 2
Die Duan, Trevor A. Bowen, Christopher H. K. Chen +18
Magnetic field fluctuations in the solar wind are commonly observed to follow a power law spectrum. Near proton-kinetic scales, a spectral break occurs which is commonly interprete…
A Merged Search-Coil and Fluxgate Magnetometer Data Product for Parker Solar Probe FIELDS
Trevor A. Bowen, Stuart D. Bale, John W. Bonnell +12
NASA's Parker Solar Probe (PSP) mission is currently investigating the local plasma environment of the inner-heliosphere (0.25) using both {\em{in-situ}} and remote se…
Parker Solar Probe In-Situ Observations of Magnetic Reconnection Exhausts During Encounter 1
T. D. Phan, S. D. Bale, J. P. Eastwood +23
Magnetic reconnection in current sheets converts magnetic energy into particle energy. The process may play an important role in the acceleration and heating of the solar wind clos…
Inner-Heliosphere Signatures of Ion-Scale Dissipation and Nonlinear Interaction
Trevor A. Bowen, Alfred Mallet, Stuart D. Bale +19
We perform a statistical study of the turbulent power spectrum at inertial and kinetic scales observed during the first perihelion encounter of Parker Solar Probe. We find that oft…