PSP Bibliography





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Found 490 entries in the Bibliography.


Showing entries from 301 through 350


2018

Oscillations of cometary tails: a vortex shedding phenomenon?

o, Nistic\; Vladimirov, V.; Nakariakov, V.~M.; Battams, K.; Bothmer, V.;

Published by: \aap      Published on: 08/2018

YEAR: 2018     DOI: 10.1051/0004-6361/201732474

Parker Data Used; Solar wind; comets: individual: Encke; ISON; magnetohydrodynamics (MHD); methods: observational; instabilities; waves; Astrophysics - Earth and Planetary Astrophysics

Characterization of the White-light Brightness of the F-corona between 5\textdegree and 24\textdegree Elongation

Stenborg, Guillermo; Howard, Russell; Stauffer, Johnathan;

Published by: \apj      Published on: 08/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aacea3

Parker Data Used; methods: data analysis; scattering; Sun: corona; techniques: image processing; zodiacal dust

Short, large-amplitude speed enhancements in the near-Sunfast solar wind

We report the presence of intermittent, short discrete enhancements in plasma speed in the near-Sun high-speed solar wind. Lasting tens of seconds to minutes in spacecraft measurements at 0.3 au, speeds inside these enhancements can reach 1000 km s-1, corresponding to a kinetic energy up to twice that of the bulk high-speed solar wind. These events, which occur around 5 per cent of the time, are Alfv\ enic in nature with large magnetic field deflections and are the same temperature as the surrounding plasma, in ...

Horbury, T; Matteini, L; Stansby, D;

Published by: Monthly Notices of the Royal Astronomical Society      Published on: 08/2018

YEAR: 2018     DOI: 10.1093/mnras/sty953

parker solar probe; Solar Probe Plus; Solar wind; Sun: corona

A place in the sun

Sokol, Joshua;

Published by: Science      Published on: 08/2018

YEAR: 2018     DOI: 10.1126/science.361.6401.441

ASTRONOMY; Physics

Death-defying NASA mission will make humanity\textquoterights closest approach to the Sun

The Parker Solar Probe will dive into the sizzling solar corona to explore its mysteries.

Witze, Alexandra;

Published by: Nature      Published on: 07/2018

YEAR: 2018     DOI: 10.1038/d41586-018-05741-6

Parker Data Used; parker solar probe; Solar Probe Plus

Electromagnetic Thermal Noise in Upper-Hybrid Frequency Range

The inner magnetosphere including the radiation belt and ring current environment is replete with high-frequency fluctuations with peak intensity occurring near upper-hybrid frequency and/or multiple harmonic electron cyclotron frequencies above and below the upper-hybrid frequency. Past and contemporary spacecraft missions, including the Van Allen Probes, were designed to detect the electric field spectrum only for these high-frequency fluctuations. Making use of the recently formulated generalized theory of electromagne ...

Yoon, Peter; Hwang, Junga; opez, Rodrigo; Kim, Sunjung; Lee, Jaejin;

Published by: Journal of Geophysical Research: Space Physics      Published on: 07/2018

YEAR: 2018     DOI: 10.1029/2018JA025459

electromagnetic; parker solar probe; Solar Probe Plus; thermal noise; upper hybrid

Velocity-space cascade in magnetized plasmas: Numerical simulations

Pezzi, O.; Servidio, S.; Perrone, D.; Valentini, F.; Sorriso-Valvo, L.; Greco, A.; Matthaeus, W.~H.; Veltri, P.;

Published by: Physics of Plasmas      Published on: 06/2018

YEAR: 2018     DOI: 10.1063/1.5027685

Parker Data Used; Physics - Plasma Physics

Marginal Stability of Sweet-Parker Type Current Sheets at Low Lundquist Numbers

Shi, Chen; Velli, Marco; Tenerani, Anna;

Published by: \apj      Published on: 06/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aabd83

Parker Data Used; magnetic reconnection; magnetohydrodynamics: MHD; Physics - Plasma Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

On the Limitations of Taylor s Hypothesis in Parker Solar Probe s Measurements near the Alfven Critical Point

In this Letter, we present an analysis of two-point, two-time correlation functions from high-resolution numerical simulations of Reflection-driven Alfven Turbulence near the Alfven critical point r e . The simulations model the turbulence in a prescribed background solar wind model chosen to match observational constraints. This analysis allows us to investigate the temporal decorrelation of solar wind turbulence and the validity of Taylor s approximation near the heliocentric distance r(c), which Parker Solar Probe (PSP) i ...

Bourouaine, Sofiane; Perez, Jean;

Published by: ASTROPHYSICAL JOURNAL LETTERS      Published on: 05/2018

YEAR: 2018     DOI: 10.3847/2041-8213/aabccf

Parker Data Used

Single-mode nonlinear Langevin emulation of magnetohydrodynamic turbulence

Bandyopadhyay, Riddhi; Matthaeus, William; Parashar, Tulasi;

Published by: \pre      Published on: 05/2018

YEAR: 2018     DOI: 10.1103/PhysRevE.97.053211

Parker Data Used; Physics - Plasma Physics

Weakened Magnetization and Onset of Large-scale Turbulence in the Young Solar Wind\textemdashComparisons of Remote Sensing Observations with Simulation

Chhiber, Rohit; Usmanov, Arcadi; DeForest, Craig; Matthaeus, William; Parashar, Tulasi; Goldstein, Melvyn;

Published by: \apjl      Published on: 04/2018

YEAR: 2018     DOI: 10.3847/2041-8213/aab843

Parker Data Used; magnetohydrodynamics: MHD; Solar wind; Sun: corona; turbulence

Opening a Window on ICME-driven GCR Modulation in the Inner Solar System

Interplanetary coronal mass ejections (ICMEs) often cause Forbush decreases (Fds) in the flux of galactic cosmic rays (GCRs). We investigate how a single ICME, launched from the Sun on 2014 February 12, affected GCR fluxes at Mercury, Earth, and Mars. We use GCR observations from MESSENGER at Mercury, ACE/LRO at the Earth/Moon, and MSL at Mars. We find that Fds are steeper and deeper closer to the Sun, and that the magnitude of the magnetic field in the ICME magnetic ejecta as well as the \textquotedblleftstrength\textquo ...

Winslow, Reka; Schwadron, Nathan; Lugaz, \; Guo, Jingnan; Joyce, Colin; Jordan, Andrew; Wilson, Jody; Spence, Harlan; Lawrence, David; Wimmer-Schweingruber, Robert; Mays, Leila;

Published by: The Astrophysical Journal      Published on: 04/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aab098

parker solar probe; Solar Probe Plus; Sun: coronal mass ejections: CMEs; Sun: evolution; Sun: heliosphere

Radial evolution of the solar wind in pure high-speed streams: HELIOS revised observations

Spacecraft observations have shown that the proton temperature in the solar wind falls off with radial distance more slowly than expected for an adiabatic prediction. Usually, previous studies have been focused on the evolution of the solar-wind plasma by using the bulk speed as an order parameter to discriminate different regimes. In contrast, here, we study the radial evolution of pure and homogeneous fast streams (i.e. well-defined streams of coronal-hole plasma that maintain their identity during several solar rotatio ...

Perrone, Denise; Stansby, D; Horbury, T; Matteini, L;

Published by: Monthly Notices of the Royal Astronomical Society      Published on: 03/2019

YEAR: 2018     DOI: 10.1093/mnras/sty3348

parker solar probe; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun: corona; Sun: heliosphere

Onset of fast ideal tearing in thin current sheets: Dependence on the equilibrium current profile

Pucci, F.; Velli, M.; Tenerani, A.; Del Sarto, D.;

Published by: Physics of Plasmas      Published on: 03/2018

YEAR: 2018     DOI: 10.1063/1.5022988

Parker Data Used; Physics - Plasma Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Investigating the Effect of IMF Path Length on Pitch-angle Scattering of Strahl within 1 au

Strahl is the strongly field-aligned, beam-like population of electrons in the solar wind. Strahl width is observed to increase with distance from the Sun, and hence strahl electrons must be subject to in-transit scattering effects. Different energy relations have been both observed and modeled for both strahl width and the width increase with radial distance. Thus, there is much debate regarding what mechanism(s) scatter strahl. In this study, we use a novel method to investigate strahl evolution within 1 au by estimatin ...

Graham, G.; Rae, I.; Owen, C.; Walsh, A.;

Published by: The Astrophysical Journal      Published on: 03/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aaaf1b

parker solar probe; plasmas; scattering; Solar Probe Plus; Solar wind; Sun: heliosphere

Solar-wind predictions for the Parker Solar Probe Orbit

Context. The Parker Solar Probe (PSP; formerly Solar Probe Plus) mission will be humanitys first in situ exploration of the solar corona with closest perihelia at 9.86 solar radii (R) distance to the Sun. It will help answer hitherto unresolved questions on the heating of the solar corona and the source and acceleration of the solar wind and solar energetic particles. The scope of this study is to model the solar-wind environment for PSPs unprecedented distances in its prime mission phase during the years 20 ...

Venzmer, M.; Bothmer, V.;

Published by: Astronomy \& Astrophysics      Published on: 03/2018

YEAR: 2018     DOI: 10.1051/0004-6361/201731831

Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun: corona; Sun: heliosphere

Spectroscopic Measurements of the Ion Velocity Distribution at the Base of the Fast Solar Wind

In situ measurements of the fast solar wind reveal non-thermal distributions of electrons, protons, and minor ions extending from 0.3 au to the heliopause. The physical mechanisms responsible for these non-thermal properties and the location where these properties originate remain open questions. Here, we present spectroscopic evidence, from extreme ultraviolet spectroscopy, that the velocity distribution functions (VDFs) of minor ions are already non-Gaussian at the base of the fast solar wind in a coronal hole, at altit ...

Jeffrey, Natasha; Hahn, Michael; Savin, Daniel; Fletcher, Lyndsay;

Published by: The Astrophysical Journal      Published on: 03/2018

YEAR: 2018     DOI: 10.3847/2041-8213/aab08c

Astrophysics - Solar and Stellar Astrophysics; line: profiles; parker solar probe; Solar Probe Plus; Solar wind; Sun: corona; Sun: heliosphere; Sun: UV radiation; techniques: spectroscopic

Modeling a Single SEP Event from Multiple Vantage Points Using the iPATH Model

Using the recently extended 2D improved Particle Acceleration and Transport in the Heliosphere (iPATH) model, we model an example gradual solar energetic particle event as observed at multiple locations. Protons and ions that are energized via the diffusive shock acceleration mechanism are followed at a 2D coronal mass ejection-driven shock where the shock geometry varies across the shock front. The subsequent transport of energetic particles, including cross-field diffusion, is modeled by a Monte Carlo code that is based ...

Hu, Junxiang; Li, Gang; Fu, Shuai; Zank, Gary; Ao, Xianzhi;

Published by: The Astrophysical Journal      Published on: 02/2018

YEAR: 2018     DOI: 10.3847/2041-8213/aaabc1

parker solar probe; shock waves; Solar Probe Plus; Sun: coronal mass ejections: CMEs; Sun: heliosphere

Parametric instability, inverse cascade and the range of solar-wind turbulence

In this paper, weak-turbulence theory is used to investigate the nonlinear evolution of the parametric instability in three-dimensional low-β plasmas at wavelengths much greater than the ion inertial length under the assumption that slow magnetosonic waves are strongly damped. It is shown analytically that the parametric instability leads to an inverse cascade of Alfv\ en wave quanta, and several exact solutions to the wave kinetic equations are presented. The main results of the paper concern the parametric decay of Alf ...

Chandran, Benjamin;

Published by: Journal of Plasma Physics      Published on: 02/2018

YEAR: 2018     DOI: 10.1017/S0022377818000016

astrophysical plasmas; Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; plasma nonlinear phenomena; plasma waves; Solar Probe Plus

On the Performance of Multi-Instrument Solar Flare Observations During Solar Cycle 24

The current fleet of space-based solar observatories offers us a wealth of opportunities to study solar flares over a range of wavelengths. Significant advances in our understanding of flare physics often come from coordinated observations between multiple instruments. Consequently, considerable efforts have been, and continue to be, made to coordinate observations among instruments ( e.g. through the Max Millennium Program of Solar Flare Research). However, there has been no study to date that quantifies how many flares ...

Milligan, Ryan; Ireland, Jack;

Published by: Solar Physics      Published on: 02/2018

YEAR: 2018     DOI: 10.1007/s11207-017-1233-x

Astrophysics - Solar and Stellar Astrophysics; flares; Instrumentation and data management; parker solar probe; Solar Probe Plus

Diagnosing solar wind origins using in situ measurements in the inner heliosphere

Robustly identifying the solar sources of individual packets of solar wind measured in interplanetary space remains an open problem. We set out to see if this problem is easier to tackle using solar wind measurements closer to the Sun than 1 au, where the mixing and dynamical interaction of different solar wind streams is reduced. Using measurements from the Helios mission, we examined how the proton core temperature anisotropy and cross-helicity varied with distance. At 0.3 au there are two clearly separated anisotropic ...

Stansby, D; Horbury, T; Matteini, L;

Published by: Monthly Notices of the Royal Astronomical Society      Published on: 01/2019

YEAR: 2018     DOI: 10.1093/mnras/sty2814

Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun:; Sun: heliosphere

A Review of Alfv\ enic Turbulence in High-Speed Solar Wind Streams: Hints From Cometary Plasma Turbulence

Solar wind turbulence within high-speed streams is reviewed from the point of view of embedded single nonlinear Alfv\ en wave cycles, discontinuities, magnetic decreases (MDs), and shocks. For comparison and guidance, cometary plasma turbulence is also briefly reviewed. It is demonstrated that cometary nonlinear magnetosonic waves phase-steepen, with a right-hand circular polarized foreshortened front and an elongated, compressive trailing edge. The former part is a form of "wave breaking" and the latter that of "period d ...

Tsurutani, Bruce; Lakhina, Gurbax; Sen, Abhijit; Hellinger, Petr; Glassmeier, Karl-Heinz; Mannucci, Anthony;

Published by: Journal of Geophysical Research: Space Physics      Published on: 01/2018

YEAR: 2018     DOI: 10.1002/jgra.v123.410.1002/2017JA024203

Alfv\ en waves; discontinuities; interplanetary turbulence; magnetic decreases; parker solar probe; period doubling; Solar Probe Plus; wave phase-steepening

Coronal Mass Ejections in the Low Solar Corona: Ion Composition and EUV Diagnostics A Coupled Investigation using Remote-Sensing Observations and In-situ Measurements

Kocher, Manan;

Published by:       Published on: 01/2018

YEAR: 2018     DOI:

Astrophysics; Remote sensing

The Interior Structure, Dynamics, and Heliospheric Impact of Reconnection-Driven Solar Coronal Hole Jets

Roberts, Merrill;

Published by:       Published on: 01/2018

YEAR: 2018     DOI:

Physics; Astrophysics; Plasma physics

Stray Light Analysis and Testing of the SoloHI (Solar Orbiter Heliospheric Imager) and WISPR (Wide Field Imager for Solar Probe) Heliospheric Imagers

The techniques for stray light analysis, optimization and testing are described for two space telescopes that observe the solar corona: the Solar Orbiter Heliospheric Imager (SoloHI) that will fly on the ESA Solar Orbiter (SolO), and the Wide Field Imager for Solar Probe (WISPR) that will fly on the NASA Parker Solar Probe (PSP) mission. Imaging the solar corona is challenging, because the corona is six orders of magnitude dimmer than the Sun surface at the limb, and the coronal brightness continues to decrease to ten orders ...

Thernisien, Arnaud; Howard, Russell; Korendyke, Clarence; Carter, Tim; Chua, Damien; Plunkett, Simon;

Published by:       Published on:

YEAR: 2018     DOI: 10.1117/12.2313645

Parker Data Used

2017

The Parametric Instability of Alfv\ en Waves: Effects of Temperature Anisotropy

Tenerani, Anna; Velli, Marco; Hellinger, Petr;

Published by: \apj      Published on: 12/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa9bef

Parker Data Used; instabilities; plasmas; Sun: heliosphere; waves; Physics - Space Physics

The Acceleration of High-energy Protons at Coronal Shocks: The Effect of Large-scale Streamer-like Magnetic Field Structures

Recent observations have shown that coronal shocks driven by coronal mass ejections can develop and accelerate particles within several solar radii in large solar energetic particle (SEP) events. Motivated by this, we present an SEP acceleration study that including the process in which a fast shock propagates through a streamer-like magnetic field with both closed and open field lines in the low corona region. The acceleration of protons is modeled by numerically solving the Parker transport equation with spatial diffusi ...

Kong, Xiangliang; Guo, Fan; Giacalone, Joe; Li, Hui; Chen, Yao;

Published by: The Astrophysical Journal      Published on: 12/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa97d7

acceleration of particles; Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics; shock waves; Solar Probe Plus; Sun: corona; Sun: coronal mass ejections: CMEs; Sun: magnetic fields; Sun: particle emission

Test Particle Energization and the Anisotropic Effects of Dynamical MHD Turbulence

alez, C.~A.; Dmitruk, P.; Mininni, P.~D.; Matthaeus, W.~H.;

Published by: \apj      Published on: 11/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa8c02

Parker Data Used; acceleration of particles; magnetohydrodynamics: MHD; turbulence; Physics - Plasma Physics; Physics - Space Physics

Magnetospheric Multiscale Observation of Plasma Velocity-Space Cascade: Hermite Representation and Theory

Servidio, S.; Chasapis, A.; Matthaeus, W.~H.; Perrone, D.; Valentini, F.; Parashar, T.~N.; Veltri, P.; Gershman, D.; Russell, C.~T.; Giles, B.; Fuselier, S.~A.; Phan, T.~D.; Burch, J.;

Published by: \prl      Published on: 11/2017

YEAR: 2017     DOI: 10.1103/PhysRevLett.119.205101

Parker Data Used; Physics - Plasma Physics; Astrophysics - Solar and Stellar Astrophysics

A Zone of Preferential Ion Heating Extends Tens of Solar Radii from the Sun

The extreme temperatures and nonthermal nature of the solar corona and solar wind arise from an unidentified physical mechanism that preferentially heats certain ion species relative to others. Spectroscopic indicators of unequal temperatures commence within a fraction of a solar radius above the surface of the Sun, but the outer reach of this mechanism has yet to be determined. Here we present an empirical procedure for combining interplanetary solar wind measurements and a modeled energy equation including Coulomb relax ...

Kasper, J.; Klein, K.; Weber, T.; Maksimovic, M.; Zaslavsky, A.; Bale, S.; Maruca, B.; Stevens, M.; Case, A.;

Published by: The Astrophysical Journal      Published on: 11/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa84b1

acceleration of particles; Astrophysics - Solar and Stellar Astrophysics; magnetic fields; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; plasmas; Solar Probe Plus; Solar wind; Sun: corona; turbulence

The Evolution of the Surface of Symmetry of the Interplanetary Dust from 24\textdegree to 5\textdegree Elongation

Stenborg, Guillermo; Howard, Russell;

Published by: \apj      Published on: 10/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa8ef0

Parker Data Used; methods: data analysis; Sun: corona; techniques: image processing

Exploring the statistics of magnetic reconnection X-points in kinetic particle-in-cell turbulence

Haggerty, C.~C.; Parashar, T.~N.; Matthaeus, W.~H.; Shay, M.~A.; Yang, Y.; Wan, M.; Wu, P.; Servidio, S.;

Published by: Physics of Plasmas      Published on: 10/2017

YEAR: 2017     DOI: 10.1063/1.5001722

Parker Data Used; Physics - Space Physics

Capabilities and Performance of the High-Energy Energetic-Particles Instrument for the Parker Solar Probe Mission

NASA\textquoterights Parker Solar Probe (PSP) spacecraft (formerly Solar Probe Plus) is scheduled for launch in July 2018 with a planned heliocentric orbit that will carry it on a series of close passes by the Sun with perihelion distances that eventually will get below 10 solar radii. Among other in-situ and imaging sensors, the PSP payload includes the two-instrument \textquotedblleftIntegrated Science Investigation of the Sun\textquotedblright suite, which will make coordinated measurements of energetic ions and electr ...

Wiedenbeck, M.; Angold, N.; Birdwell, B.; Burnham, J.; Christian, E.; Cohen, C.; Cook, W.; Cummings, A.; Davis, A.; Dirks, G.; Do, D.; Everett, d.; Goodwin, P.; Hanley, J.; Hernandez, L.; Kecman, B.; Klemic, J.; Labrador, A.; Leske, R.; Lopez, S.; Link, J.; McComas, D.; Mewaldt, R.; Miyasaka, H.; Nahory, B.; Rankin, J.; Riggans, G.; Rodriguez, B.; Rusert, M.; Shuman, S.; Simms, K.; Stone, E.; von Rosenvinge, T.; Weidner, S.; White, M.;

Published by:       Published on: 10/2017

YEAR: 2017     DOI: 10.22323/1.301.0016

Parker Data Used

Future space missions: the inner region of the Solar system

The paper deals with an overview of space missions to explore the inner region of the Solar System, the nearest on time of their launch, namely, Probe Plus, Solar Orbiter, BepiColombo, EXOMars, and InSight. Each of them will study either the Sun or the planet of the Earth group. Their launches are planned for 2018-2020. We describe briefly predestination and technical equipment of spacecrafts, flight plan and scientific goal of these missions.

Vasylenko, A.A.;

Published by: Kosm\ \i\v cna nauka \ \i tehnolog\ \i\^a      Published on: 10/2017

YEAR: 2017     DOI: 10.15407/knit10.15407/knit2017.0310.15407/knit2017.03.073

Martian atmosphere; Martian surface; Mercury magnetic field; Parker Data Used; parker solar probe; Solar Probe Plus; Solar wind

Fast Magnetic Reconnection: \textquotedblleftIdeal\textquotedblright Tearing and the Hall Effect

Pucci, Fulvia; Velli, Marco; Tenerani, Anna;

Published by: \apj      Published on: 08/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa7b82

Parker Data Used; magnetic reconnection; magnetohydrodynamics: MHD; plasmas; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics

Turbulence generation during the head-on collision of Alfv\ enic wave packets

Pezzi, O.; Malara, F.; Servidio, S.; Valentini, F.; Parashar, T.~N.; Matthaeus, W.~H.; Veltri, P.;

Published by: \pre      Published on: 08/2017

YEAR: 2017     DOI: 10.1103/PhysRevE.96.023201

Parker Data Used

Quasi-thermal noise spectroscopy: The art and the practice

Quasi-thermal noise spectroscopy is an efficient tool for measuring in situ macroscopic plasma properties in space, using a passive wave receiver at the ports of an electric antenna. This technique was pioneered on spinning spacecraft carrying very long dipole antennas in the interplanetary medium\textemdashlike ISEE-3 and Ulysses\textemdashwhose geometry approached a "theoretician\textquoterights dream." The technique has been extended to other instruments in various types of plasmas on board different spacecraft and wil ...

Meyer-Vernet, N.; Issautier, K.; Moncuquet, M.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 08/2017

YEAR: 2017     DOI: 10.1002/2017JA024449

electric antennas; magnetospheres; parker solar probe; plasma waves; radio receivers; Solar Probe Plus; Solar wind; velocity distributions

Energy transfer, pressure tensor, and heating of kinetic plasma

Yang, Yan; Matthaeus, William; Parashar, Tulasi; Haggerty, Colby; Roytershteyn, Vadim; Daughton, William; Wan, Minping; Shi, Yipeng; Chen, Shiyi;

Published by: Physics of Plasmas      Published on: 07/2017

YEAR: 2017     DOI: 10.1063/1.4990421

Parker Data Used; Physics - Plasma Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Coronal Heating Topology: The Interplay of Current Sheets and Magnetic Field Lines

Rappazzo, A.~F.; Matthaeus, W.~H.; Ruffolo, D.; Velli, M.; Servidio, S.;

Published by: \apj      Published on: 07/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa79f2

Parker Data Used; magnetohydrodynamics: MHD; Solar wind; Sun: activity; Sun: corona; Sun: magnetic fields; turbulence; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Evolving Waves and Turbulence in the Outer Corona and Inner Heliosphere: The Accelerating Expanding Box

Tenerani, Anna; Velli, Marco;

Published by: \apj      Published on: 07/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa71b9

Parker Data Used; magnetohydrodynamics: MHD; methods: numerical; Solar wind; Sun: heliosphere; turbulence; waves; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Cosmic-Ray Diffusion Coefficients throughout the Inner Heliosphere from a Global Solar Wind Simulation

Chhiber, R.; Subedi, P.; Usmanov, A.~V.; Matthaeus, W.~H.; Ruffolo, D.; Goldstein, M.~L.; Parashar, T.~N.;

Published by: \apjs      Published on: 06/2017

YEAR: 2017     DOI: 10.3847/1538-4365/aa74d2

Parker Data Used; cosmic rays; diffusion; methods: numerical; Solar wind; turbulence; Physics - Space Physics

Energy transfer channels and turbulence cascade in Vlasov-Maxwell turbulence

Yang, Yan; Matthaeus, W.~H.; Parashar, T.~N.; Wu, P.; Wan, M.; Shi, Y.; Chen, S.; Roytershteyn, V.; Daughton, W.;

Published by: \pre      Published on: 06/2017

YEAR: 2017     DOI: 10.1103/PhysRevE.95.061201

Parker Data Used

A Heuristic Approach to Remove the Background Intensity on White-light Solar Images. I. STEREO /HI-1 Heliospheric Images

White-light coronal and heliospheric imagers observe scattering of photospheric light from both dust particles (the F-Corona) and free electrons in the corona (the K-corona). The separation of the two coronae is thus vitally important to reveal the faint K-coronal structures (e.g., streamers, co-rotating interaction regions, coronal mass ejections, etc.). However, the separation of the two coronae is very difficult, so we are content in defining a background corona that contains the F- and as little K- as possible. For bo ...

Stenborg, Guillermo; Howard, Russell;

Published by: The Astrophysical Journal      Published on: 04/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa6a12

methods: data analysis; parker solar probe; Solar Probe Plus; Sun: corona; Sun: coronal mass ejections: CMEs; techniques: image processing

Turbulent Transport in a Three-dimensional Solar Wind

Shiota, D.; Zank, G.~P.; Adhikari, L.; Hunana, P.; Telloni, D.; Bruno, R.;

Published by: \apj      Published on: 03/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa60bc

Parker Data Used; magnetohydrodynamics: MHD; Solar wind; turbulence

Charged Particle Diffusion in Isotropic Random Magnetic Fields

Subedi, P.; Sonsrettee, W.; Blasi, P.; Ruffolo, D.; Matthaeus, W.~H.; Montgomery, D.; Chuychai, P.; Dmitruk, P.; Wan, M.; Parashar, T.~N.; Chhiber, R.;

Published by: \apj      Published on: 03/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa603a

Parker Data Used; astroparticle physics; cosmic rays; diffusion; magnetic fields; scattering; turbulence; Physics - Space Physics; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics

The solar probe plus radio frequency spectrometer: Measurement requirements, analog design, and digital signal processing

The Radio Frequency Spectrometer (RFS) is a two-channel digital receiver and spectrometer, which will make remote sensing observations of radio waves and in situ measurements of electrostatic and electromagnetic fluctuations in the solar wind. A part of the FIELDS suite for Solar Probe Plus (SPP), the RFS is optimized for measurements in the inner heliosphere, where solar radio bursts are more intense and the plasma frequency is higher compared to previous measurements at distances of 1 AU or greater. The inputs to the RF ...

Pulupa, M.; Bale, S.; Bonnell, J.; Bowen, T.; Carruth, N.; Goetz, K.; Gordon, D.; Harvey, P.; Maksimovic, M.; inez-Oliveros, J.; Moncuquet, M.; Saint-Hilaire, P.; Seitz, D.; Sundkvist, D.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2017

YEAR: 2017     DOI: 10.1002/2016JA023345

electric field; FIELDS; magnetic field; Parker Data Used; parker solar probe; quasi-thermal noise; radio; Solar Probe Plus

Diagnosing collisionless energy transfer using field\textendashparticle correlations: Vlasov\textendashPoisson plasmas

Turbulence plays a key role in the conversion of the energy of large-scale fields and flows to plasma heat, impacting the macroscopic evolution of the heliosphere and other astrophysical plasma systems. Although we have long been able to make direct spacecraft measurements of all aspects of the electromagnetic field and plasma fluctuations in near-Earth space, our understanding of the physical mechanisms responsible for the damping of the turbulent fluctuations in heliospheric plasmas remains incomplete. Here we propose a ...

Howes, Gregory; Klein, Kristopher; Li, Tak;

Published by: Journal of Plasma Physics      Published on: 02/2017

YEAR: 2017     DOI: 10.1017/S0022377816001197

astrophysical plasmas; parker solar probe; plasma nonlinear phenomena; Solar Probe Plus; space plasma physics

Langmuir wave electric fields induced by electron beams in the heliosphere

Solar electron beams responsible for type III radio emission generate Langmuir waves as they propagate out from the Sun. The Langmuir waves are observed via in situ electric field measurements. These Langmuir waves are not smoothly distributed but occur in discrete clumps, commonly attributed to the turbulent nature of the solar wind electron density. Exactly how the density turbulence modulates the Langmuir wave electric fields is understood only qualitatively. Using weak turbulence simulations, we investigate how solar ...

Reid, Hamish; Kontar, Eduard;

Published by: Astronomy \& Astrophysics      Published on: 02/2017

YEAR: 2017     DOI: 10.1051/0004-6361/201629697

Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun: flares; Sun: heliosphere; Sun: magnetic fields; Sun: particle emission; Sun: radio radiation

The Mushroom: A half-sky energetic ion and electron detector

We present a time-of-flight mass spectrometer design for the measurement of ions in the 30 keV to 10 MeV range for protons (up to 40 MeV and 150 MeV for He and heavy ions, respectively) and 30 keV to 1 MeV range for electrons, covering half of the sky with 80 apertures. The instrument, known as the "Mushroom," owing to its shape, solves the field of view problem for magnetospheric and heliospheric missions that employ three-axis stabilized spacecraft, yet still require extended angular coverage; the Mushroom is also compa ...

Hill, M.; Mitchell, D.; Andrews, G.; Cooper, S.; Gurnee, R.; Hayes, J.; Layman, R.; McNutt, R.; Nelson, K.; Parker, C.; Schlemm, C.; Stokes, M.; Begley, S.; Boyle, M.; Burgum, J.; Do, D.; Dupont, A.; Gold, R.; Haggerty, D.; Hoffer, E.; Hutcheson, J.; Jaskulek, S.; Krimigis, S.; Liang, S.; London, S.; Noble, M.; Roelof, E.; Seifert, H.; Strohbehn, K.; Vandegriff, J.; Westlake, J.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 02/2017

YEAR: 2017     DOI: 10.1002/2016JA022614

2 pi steradian; anisotropy; mass composition; microchannel plate; parker solar probe; Solar Probe Plus; solid-state detector; time of flight

Reconnection-Driven Coronal-Hole Jets with Gravity and Solar Wind

Karpen, J.~T.; DeVore, C.~R.; Antiochos, S.~K.; Pariat, E.;

Published by: \apj      Published on: 01/2017

YEAR: 2017     DOI: 10.3847/1538-4357/834/1/62

Parker Data Used; magnetic reconnection; magnetohydrodynamics: MHD; Solar wind; stars: jets; Sun: activity; Sun: corona; Astrophysics - Solar and Stellar Astrophysics



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