PSP Bibliography


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Found 13 entries in the Bibliography.

Showing entries from 1 through 13


The Electron Structure of the Solar Wind

Time-series measurements of the number density ncore and temperature Tcore of the core-electron population of the solar wind are examined at 1 AU and at 0.13 AU using measurements from the WIND and Parker Solar Probe spacecraft, respectively. A statistical analysis of the ncore and Tcore measurements at 1 AU finds that the core-electron spatial structure of the solar wind is related to the magnetic-flux-tube structure of the solar wind; this electron structure is characterized by jumps in the values of ncore and Tcore when p ...

Borovsky, Joseph; Halekas, Jasper; Whittlesey, Phyllis;

Published by: Frontiers in Astronomy and Space Sciences      Published on: jun

YEAR: 2021     DOI: 10.3389/fspas.2021.690005

Parker Data Used; Solar wind; Heliosphere; interplanetary potential; Corona; Magnetic structure

First Simultaneous In Situ Measurements of a Coronal Mass Ejection by Parker Solar Probe and STEREO-A

We present the first Parker Solar Probe mission (PSP)-observed coronal mass ejection (CME) that hits a second spacecraft before the end of the PSP encounter, providing an excellent opportunity to study short-term CME evolution. The CME was launched from the Sun on 2019 October 10 and was measured in situ at PSP on 2019 October 13 and at STEREO-A on 2019 October 14. The small, but not insignificant, radial (\raisebox-0.5ex\textasciitilde0.15 au) and longitudinal (\raisebox-0.5ex\textasciitilde8\textdegree) separation between ...

Winslow, Reka; Lugaz, No\; Scolini, Camilla; Galvin, Antoinette;

Published by: \apj      Published on: aug

YEAR: 2021     DOI: 10.3847/1538-4357/ac0821

Solar coronal mass ejections; Heliosphere; 310; 711; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics; Parker Data Used

Plasma dynamics in low-electron-beta environments

Recent in situ measurements by the MMS and Parker Solar Probe missions bring interest to small-scale plasma dynamics (waves, turbulence, magnetic reconnection) in regions where the electron thermal energy is smaller than the magnetic one. Examples of such regions are the Earth s mangetosheath and the vicinity of the solar corona, and they are also encountered in other astrophysical systems. In this brief review, we consider simple physical models describing plasma dynamics in such low-electron-beta regimes, discuss their con ...

Boldyrev, Stanislav; Loureiro, Nuno; Roytershteyn, Vadim;

Published by: Frontiers in Astronomy and Space Sciences      Published on: 05/2021

YEAR: 2021     DOI: 10.3389/fspas.2021.621040

magnetic fields; Heliosphere; Solar wind; Solar corona; Earth magnetosheath; plasma turbulence; Earth magnetosphere; Collisionless plasma

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

Published by: The Astrophysical Journal      Published on: 05/2021

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used


Magnetohydrodynamic Turbulent Evolution of a Magnetic Cloud in the Outer Heliosphere

Telloni, Daniele; Zhao, Lingling; Zank, Gary; Liang, Haoming; Nakanotani, Masaru; Adhikari, Laxman; Carbone, Francesco; Amicis, Raffaella; Perrone, Denise; Bruno, Roberto; Dasso, Sergio;

Published by: \apjl      Published on: 12/2020

YEAR: 2020     DOI: 10.3847/2041-8213/abcb03

Parker Data Used; Magnetohydrodynamics; interplanetary turbulence; Solar coronal mass ejections; interplanetary magnetic fields; Heliosphere; Solar wind; Solar magnetic reconnection; 1964; 830; 310; 824; 711; 1534; 1504

Wave Composition, Propagation, and Polarization of Magnetohydrodynamic Turbulence within 0.3 au as Observed by Parker Solar Probe

Turbulence, a ubiquitous phenomenon in interplanetary space, is crucial for the energy conversion of space plasma at multiple scales. This work focuses on the propagation, polarization, and wave composition properties of the\ solar\ wind turbulence within 0.3 au, and its variation with heliocentric distance at magnetohydrodynamic scales (from 10 s to 1000 s in the spacecraft frame). We present the probability density function of propagation wavevectors (PDF (k(parallel to),k)) for\ solar\ wind turbulen ...

Zhu, Xingyu; He, Jiansen; Verscharen, Daniel; Duan, Die; Bale, Stuart;

Published by: The Astrophysical Journal      Published on: 09/2020

YEAR: 2020     DOI: 10.3847/2041-8213/abb23e

Alfv\ en waves; Heliosphere; interplanetary turbulence; Parker Data Used; parker solar probe; Slow solar wind; Solar Probe Plus

Improving Predictions of High-Latitude Coronal Mass Ejections Throughout the Heliosphere

Predictions of the impact of coronal mass ejections (CMEs) in the heliosphere mostly rely on cone CME models, whose performances are optimized for locations in the ecliptic plane and at 1 AU (e.g., at Earth). Progresses in the exploration of the inner heliosphere, however, advocate the need to assess their performances at both higher latitudes and smaller heliocentric distances. In this work, we perform 3-D magnetohydrodynamics simulations of artificial cone CMEs using the EUropean Heliospheric FORecasting Information Ass ...

Scolini, C.; e, Chan\; Pomoell, J.; Rodriguez, L.; Poedts, S.;

Published by: Space Weather      Published on: 03/2020

YEAR: 2020     DOI: 10.1029/2019SW002246

coronal mass ejections; forecasting; Heliosphere; modeling; parker solar probe; Solar Probe Plus

Dependence of the Interplanetary Magnetic Field on Heliocentric Distance at 0.3\textendash1.7~AU: A Six-Spacecraft Study

We use magnetometer data taken simultaneously by MESSENGER, VEX, STEREO and ACE to characterize the variation of the interplanetary magnetic field (IMF) with heliocentric distance, rh, for rh≲ 1 AU. Power law fits (a rh b) to the individual IMF components and magnitude indicate that, on average, the IMF is more tightly wound and its strength decreases less rapidly with rh than the Parker spiral prediction. During Solar Cycle 24, temporal changes in b were insignificant, but changes in amplitude, a, were correlated with ...

Hanneson, Cedar; Johnson, Catherine; Mittelholz, Anna; Asad, Manar; Goldblatt, Colin;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2020

YEAR: 2020     DOI: 10.1029/2019JA027139

Heliosphere; IMF; interplanetary magnetic field; Mars; Mercury; parker solar probe; Solar Probe Plus; Venus


Reynolds Number and Intermittency in the Expanding Solar Wind: Predictions Based on Voyager Observations

The large-scale features of the solar wind are examined in order to predict small-scale features of turbulence in unexplored regions of the heliosphere. The strategy is to examine how system size, or effective Reynolds number Re, varies, and then how this quantity influences observable statistical properties, including intermittency properties of solar wind turbulence. The expectation based on similar hydrodynamics scalings is that the kurtosis, of the small-scale magnetic field increments, will increase with increasing R ...

Parashar, T.; Cuesta, M.; Matthaeus, W.;

Published by: The Astrophysical Journal      Published on: 10/2019

YEAR: 2019     DOI: 10.3847/2041-8213/ab4a82

Heliosphere; interplanetary turbulence; parker solar probe; Physics - Space Physics; Plasma astrophysics; Solar Probe Plus; Solar wind; Space plasmas

Full inversion of solar relativistic electron events measured by the Helios spacecraft

Context. The Parker Solar Probe and the incoming Solar Orbiter mission will provide measurements of solar energetic particle (SEP) events at close heliocentric distances from the Sun. Up to present, the largest data set of SEP events in the inner heliosphere are the observations by the two Helios spacecraft.

Aims. We re-visit a sample of 15 solar relativistic electron events measured by the Helios mission with the goal of better characterising the injection histories of solar energetic particles a ...

Pacheco, D.; Agueda, N.; Aran, A.; Heber, B.; Lario, D.;

Published by: Astronomy \& Astrophysics      Published on: 01/2019

YEAR: 2019     DOI: 10.1051/0004-6361/201834520

flares; Interplanetary medium; Heliosphere; particle emission


A New Inner Heliosphere Proton Parameter Dataset from the Helios Mission

In the near future, Parker Solar Probe and Solar Orbiter will provide the first comprehensive in-situ measurements of the solar wind in the inner heliosphere since the Helios mission in the 1970s. We describe a reprocessing of the original Helios ion distribution functions to provide reliable and reproducible data to characterise the proton core population of the solar wind in the inner heliosphere. A systematic fitting of bi-Maxwellian distribution functions was performed to the raw Helios ion distribution function data ...

Stansby, David; Salem, Chadi; Matteini, Lorenzo; Horbury, Timothy;

Published by: Solar Physics      Published on: 11/2018

YEAR: 2018     DOI: 10.1007/s11207-018-1377-3

Astrophysics - Solar and Stellar Astrophysics; Heliosphere; Inner heliosphere; parker solar probe; Physics - Space Physics; Solar Probe Plus; Solar wind; Solar wind protons


Solar and heliospheric space missions

The paper provides a review of the state of the art and prospects of space research in heliophysics, in which a pivotal role belongs to magnetic measurements in the Sun and heliosphere. New space missions, such as the Interhelioprobe, Solar Orbiter, Solar Probe Plus, etc., will follow the currently operating ones (Hinode, SDO, STEREO, etc.) to observe the Sun from short distances and from out-of-ecliptic positions, as well as to conduct in situ measurements in the vicinity of the Sun and outside the ecliptic. The planned ...

Kuznetsov, V.D.;

Published by: Advances in Space Research      Published on: 02/2015

YEAR: 2015     DOI: 10.1016/j.asr.2014.07.034

Heliosphere; Parker Data Used; parker solar probe; Solar and heliospheric space missions; Solar Probe Plus; Sun


A semi-analytical foreshock model for energetic storm particle events inside 1 AU

We have constructed a semi-analytical model of the energetic-ion foreshock of a CME-driven coronal/interplanetary shock wave responsible for the acceleration of large solar energetic particle (SEP) events. The model is based on the analytical model of diffusive shock acceleration of Bell (1978), appended with a temporal dependence of the cut-off momentum of the energetic particles accelerated at the shock, derived from the theory. Parameters of the model are re-calibrated using a fully time-dependent self-consistent simul ...

Vainio, Rami; önni, Arttu; Battarbee, Markus; Koskinen, Hannu; Afanasiev, Alexandr; Laitinen, Timo;

Published by: Journal of Space Weather and Space Climate      Published on: 02/2014

YEAR: 2014     DOI: 10.1051/swsc/2014005

Energetic particle; Heliosphere; Interplanetary medium; parker solar probe; SEP; Shocks; Solar Probe Plus