PSP Bibliography





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Found 74 entries in the Bibliography.


Showing entries from 1 through 50


2022

Flux rope and dynamics of the heliospheric current sheet. Study of the Parker Solar Probe and Solar Orbiter conjunction of June 2020

Context. Solar Orbiter and Parker Solar Probe jointly observed the solar wind for the first time in June 2020, capturing data from very different solar wind streams: calm, Alfv\ enic wind and also highly dynamic large-scale structures. Context. Our aim is to understand the origin and characteristics of the highly dynamic solar wind observed by the two probes, particularly in the vicinity of the heliospheric current sheet (HCS). \ Methods: We analyzed the plasma data obtained by Parker Solar Probe and Solar Orbiter in situ du ...

Réville, V.; Fargette, N.; Rouillard, A.~P.; Lavraud, B.; Velli, M.; Strugarek, A.; Parenti, S.; Brun, A.~S.; Shi, C.; Kouloumvakos, A.; Poirier, N.; Pinto, R.~F.; Louarn, P.; Fedorov, A.; Owen, C.~J.; enot, V.; Horbury, T.~S.; Laker, R.; Brien, H.; Angelini, V.; Fauchon-Jones, E.; Kasper, J.~C.;

Published by: \aap      Published on: mar

YEAR: 2022     DOI: 10.1051/0004-6361/202142381

Parker Data Used; Solar wind; magnetohydrodynamics (MHD); magnetic reconnection; methods: numerical; methods: data analysis; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics

A Revised Understanding of the Structure of the Venusian Magnetotail From a High-Altitude Intercept With a Tail Ray by Parker Solar Probe

One of the major discoveries of NASA s 1979-1991 Pioneer Venus Orbiter is that the nightside ionosphere becomes filamentary at high altitude, forming comet-like tail rays. Pioneer Venus Orbiter could not establish how much farther into the wake of Venus tail rays extend, nor understand how they form. Here we present plasma and fields data from the fourth flyby of Venus by NASA s Parker Solar Probe consistent with an intercept with an ionospheric tail ray. The observations unambiguously demonstrate that Venusian Ionotail Rays ...

Collinson, Glyn; Ramstad, Robin; Frahm, Rudy; Wilson, Lynn; Xu, Shaosui; Whittlesey, Phyllis; Brecht, Stephen; Ledvina, Stephen;

Published by: \grl      Published on: jan

YEAR: 2022     DOI: 10.1029/2021GL096485

Parker Data Used; Venus; Tail Rays; ionosphere; upper hybrid emission; parker solar probe; Atmospheric escape

Two Correlations with Enhancement Near the Proton Gyroradius Scale in Solar Wind Turbulence: Parker Solar Probe (PSP) and Wind Observations

Based on the Parker Solar Probe mission, this paper presents the observations of two correlations in solar wind turbulence near the Sun for the first time, demonstrating the clear existence of the following two correlations. One is positive correlation between the proton temperature and turbulent magnetic energy density. The other is negative correlation between the spectral index and magnetic helicity. It is found that the former correlation has a maximum correlation coefficient (CC) at the wavenumber k \ensuremath\rho $_ p ...

Zhao, G.~Q.; Lin, Y.; Wang, X.~Y.; Feng, H.~Q.; Wu, D.~J.; Kasper, J.~C.;

Published by: \apj      Published on: jan

YEAR: 2022     DOI: 10.3847/1538-4357/ac3747

Parker Data Used; 1534; 830; 1989; 1544; 2089

Three-Dimensional Anisotropy and Scaling Properties of Solar Wind Turbulence at Kinetic Scales in the Inner Heliosphere: Parker Solar Probe Observations

We utilize the data from the Parker Solar Probe mission at its first perihelion to investigate the three-dimensional (3D) anisotropies and scalings of solar wind turbulence for the total, perpendicular, and parallel magnetic-field fluctuations at kinetic scales in the inner heliosphere. By calculating the five-point second-order structure functions, we find that the three characteristic lengths of turbulence eddies for the total and the perpendicular magnetic-field fluctuations in the local reference frame $(\hatL_\perp ,\ha ...

Zhang, J.; Huang, S.~Y.; He, J.~S.; Wang, T.~Y.; Yuan, Z.~G.; Deng, X.~H.; Jiang, K.; Wei, Y.~Y.; Xu, S.~B.; Xiong, Q.~Y.; Lin, R.~T.; Yu, L.;

Published by: \apjl      Published on: jan

YEAR: 2022     DOI: 10.3847/2041-8213/ac4027

Parker Data Used; 1534; 830

Slow Shock Formation Upstream of Reconnecting Current Sheets

The formation, development, and impact of slow shocks in the upstream regions of reconnecting current layers are explored. Slow shocks have been documented in the upstream regions of magnetohydrodynamic (MHD) simulations of magnetic reconnection as well as in similar simulations with the kglobal kinetic macroscale simulation model. They are therefore a candidate mechanism for preheating the plasma that is injected into the current layers that facilitate magnetic energy release in solar flares. Of particular interest is their ...

Arnold, H.; Drake, J.~F.; Swisdak, M.; Guo, F.; Dahlin, J.~T.; Zhang, Q.;

Published by: \apj      Published on: feb

YEAR: 2022     DOI: 10.3847/1538-4357/ac423b

Parker Data Used; 1504; 2086; 2089; 1544; Physics - Plasma Physics; Physics - Space Physics

Parker Solar Probe Imaging of the Night Side of Venus

We present images of Venus from the Wide-Field Imager for Parker Solar Probe (WISPR) telescope on board the Parker Solar Probe (PSP) spacecraft, obtained during PSP s third and fourth flybys of Venus on 2020 July 11 and 2021 February 20, respectively. Thermal emission from the surface is observed on the night side, representing the shortest wavelength observations of this emission ever, the first detection of the Venusian surface by an optical telescope observing below 0.8 \ensuremath\mum. Consistent with previous observatio ...

Wood, Brian; Hess, Phillip; Lustig-Yaeger, Jacob; Gallagher, Brendan; Korwan, Daniel; Rich, Nathan; Stenborg, Guillermo; Thernisien, Arnaud; Qadri, Syed; Santiago, Freddie; Peralta, Javier; Arney, Giada; Izenberg, Noam; Vourlidas, Angelos; Linton, Mark; Howard, Russell; Raouafi, Nour;

Published by: \grl      Published on: feb

YEAR: 2022     DOI: 10.1029/2021GL096302

Parker Data Used

Markovian Features of the Solar Wind at Subproton Scales

The interplanetary magnetic field carried out from the Sun by the solar wind displays fluctuations over a wide range of scales. While at large scales, say at frequencies lower than 0.1-1 Hz, fluctuations display the universal character of fully developed turbulence with a well-defined Kolmogorov-like inertial range, the physical and dynamical properties of the small-scale regime as well as their connection with the large-scale ones are still a debated topic. In this work we investigate the near-Sun magnetic field fluctuation ...

Benella, Simone; Stumpo, Mirko; Consolini, Giuseppe; Alberti, Tommaso; Carbone, Vincenzo; Laurenza, Monica;

Published by: \apjl      Published on: apr

YEAR: 2022     DOI: 10.3847/2041-8213/ac6107

Parker Data Used; Solar wind; interplanetary turbulence; Magnetohydrodynamics; Heliosphere; Interplanetary physics; Space plasmas; 1534; 830; 1964; 711; 827; 1544; Physics - Space Physics; Physics - Data Analysis; Statistics and Probability; Physics - Plasma Physics

2021

Exploring the Solar Wind from Its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter-Parker Solar Probe Quadrature

This Letter addresses the first Solar Orbiter (SO)-Parker Solar Probe (PSP) quadrature, occurring on 2021 January 18 to investigate the evolution of solar wind from the extended corona to the inner heliosphere. Assuming ballistic propagation, the same plasma volume observed remotely in the corona at altitudes between 3.5 and 6.3 solar radii above the solar limb with the Metis coronagraph on SO can be tracked to PSP, orbiting at 0.1 au, thus allowing the local properties of the solar wind to be linked to the coronal source re ...

Telloni, Daniele; Andretta, Vincenzo; Antonucci, Ester; Bemporad, Alessandro; Capuano, Giuseppe; Fineschi, Silvano; Giordano, Silvio; Habbal, Shadia; Perrone, Denise; Pinto, Rui; Sorriso-Valvo, Luca; Spadaro, Daniele; Susino, Roberto; Woodham, Lloyd; Zank, Gary; Romoli, Marco; Bale, Stuart; Kasper, Justin; Auchère, Fr\; Bruno, Roberto; Capobianco, Gerardo; Case, Anthony; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; Da Deppo, Vania; De Leo, Yara; de Wit, Thierry; Frassati, Federica; Frassetto, Fabio; Goetz, Keith; Guglielmino, Salvo; Harvey, Peter; Heinzel, Petr; Jerse, Giovanna; Korreck, Kelly; Landini, Federico; Larson, Davin; Liberatore, Alessandro; Livi, Roberto; MacDowall, Robert; Magli, Enrico; Malaspina, David; Massone, Giuseppe; Messerotti, Mauro; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; o, Giuseppe; Panasenco, Olga; Pancrazzi, Maurizio; Pelizzo, Maria; Pulupa, Marc; Reale, Fabio; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Stangalini, Marco; Stevens, Michael; Strachan, Leonard; Straus, Thomas; Teriaca, Luca; Uslenghi, Michela; Velli, Marco; Verscharen, Daniel; Volpicelli, Cosimo; Whittlesey, Phyllis; Zangrilli, Luca; Zimbardo, Gaetano; Zuppella, Paola;

Published by: \apjl      Published on: oct

YEAR: 2021     DOI: 10.3847/2041-8213/ac282f

Parker Data Used; Magnetohydrodynamics; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 1964; 1544; 830; 1483; 711; 1534; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Exploring the Solar Wind from Its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter-Parker Solar Probe Quadrature

This Letter addresses the first Solar Orbiter (SO)-Parker Solar Probe (PSP) quadrature, occurring on 2021 January 18 to investigate the evolution of solar wind from the extended corona to the inner heliosphere. Assuming ballistic propagation, the same plasma volume observed remotely in the corona at altitudes between 3.5 and 6.3 solar radii above the solar limb with the Metis coronagraph on SO can be tracked to PSP, orbiting at 0.1 au, thus allowing the local properties of the solar wind to be linked to the coronal source re ...

Telloni, Daniele; Andretta, Vincenzo; Antonucci, Ester; Bemporad, Alessandro; Capuano, Giuseppe; Fineschi, Silvano; Giordano, Silvio; Habbal, Shadia; Perrone, Denise; Pinto, Rui; Sorriso-Valvo, Luca; Spadaro, Daniele; Susino, Roberto; Woodham, Lloyd; Zank, Gary; Romoli, Marco; Bale, Stuart; Kasper, Justin; Auchère, Fr\; Bruno, Roberto; Capobianco, Gerardo; Case, Anthony; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; Da Deppo, Vania; De Leo, Yara; de Wit, Thierry; Frassati, Federica; Frassetto, Fabio; Goetz, Keith; Guglielmino, Salvo; Harvey, Peter; Heinzel, Petr; Jerse, Giovanna; Korreck, Kelly; Landini, Federico; Larson, Davin; Liberatore, Alessandro; Livi, Roberto; MacDowall, Robert; Magli, Enrico; Malaspina, David; Massone, Giuseppe; Messerotti, Mauro; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; o, Giuseppe; Panasenco, Olga; Pancrazzi, Maurizio; Pelizzo, Maria; Pulupa, Marc; Reale, Fabio; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Stangalini, Marco; Stevens, Michael; Strachan, Leonard; Straus, Thomas; Teriaca, Luca; Uslenghi, Michela; Velli, Marco; Verscharen, Daniel; Volpicelli, Cosimo; Whittlesey, Phyllis; Zangrilli, Luca; Zimbardo, Gaetano; Zuppella, Paola;

Published by: \apjl      Published on: oct

YEAR: 2021     DOI: 10.3847/2041-8213/ac282f

Parker Data Used; Magnetohydrodynamics; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 1964; 1544; 830; 1483; 711; 1534; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

First Solar Orbiter observation of the Alfv\ enic slow wind and identification of its solar source

Context. Turbulence dominated by large-amplitude, nonlinear Alfv\ en-like fluctuations mainly propagating away from the Sun is ubiquitous in high-speed solar wind streams. Recent studies have demontrated that slow wind streams may also show strong Alfv\ enic signatures, especially in the inner heliosphere. \ Aims: The present study focuses on the characterisation of an Alfv\ enic slow solar wind interval observed by Solar Orbiter between 14 and 18 July 2020 at a heliocentric distance of 0.64 AU. \ Methods: Our analysis is ba ...

Amicis, R.; Bruno, R.; Panasenco, O.; Telloni, D.; Perrone, D.; Marcucci, M.~F.; Woodham, L.; Velli, M.; De Marco, R.; Jagarlamudi, V.; Coco, I.; Owen, C.; Louarn, P.; Livi, S.; Horbury, T.; e, Andr\; Angelini, V.; Evans, V.; Fedorov, A.; Genot, V.; Lavraud, B.; Matteini, L.; Müller, D.; Brien, H.; Pezzi, O.; Rouillard, A.~P.; Sorriso-Valvo, L.; Tenerani, A.; Verscharen, D.; Zouganelis, I.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140938

Parker Data Used; Interplanetary medium; Solar wind; methods: data analysis; magnetohydrodynamics (MHD); turbulence; Sun: general

Evolution of anisotropic turbulence in the fast and slow solar wind: Theory and Solar Orbiter measurements

\ Aims: Solar Orbiter (SolO) was launched on February 9, 2020, allowing us to study the nature of turbulence in the inner heliopshere. We investigate the evolution of anisotropic turbulence in the fast and slow solar wind in the inner heliosphere using the nearly incompressible magnetohydrodynamic (NI MHD) turbulence model and SolO measurements. \ Methods: We calculated the two dimensional (2D) and the slab variances of the energy in forward and backward propagating modes, the fluctuating magnetic energy, the fluctuating kin ...

Adhikari, L.; Zank, G.~P.; Zhao, L.; Telloni, D.; Horbury, T.~S.; Brien, H.; Evans, V.; Angelini, V.; Owen, C.~J.; Louarn, P.; Fedorov, A.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140672

Parker Data Used; Solar wind; turbulence

Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage. Observations and modeling

Context. Solar Orbiter, the new-generation mission dedicated to solar and heliospheric exploration, was successfully launched on February 10, 2020, 04:03 UTC from Cape Canaveral. During its first perihelion passage in June 2020, two successive interplanetary coronal mass ejections (ICMEs), propagating along the heliospheric current sheet (HCS), impacted the spacecraft. \ Aims: This paper addresses the investigation of the ICMEs encountered by Solar Orbiter on June 7\ensuremath-8, 2020, from both an observational and a modeli ...

Telloni, D.; Scolini, C.; Möstl, C.; Zank, G.~P.; Zhao, L.; Weiss, A.~J.; Reiss, M.~A.; Laker, R.; Perrone, D.; Khotyaintsev, Y.; Steinvall, K.; Sorriso-Valvo, L.; Horbury, T.~S.; Wimmer-Schweingruber, R.~F.; Bruno, R.; Amicis, R.; De Marco, R.; Jagarlamudi, V.~K.; Carbone, F.; Marino, R.; Stangalini, M.; Nakanotani, M.; Adhikari, L.; Liang, H.; Woodham, L.~D.; Davies, E.~E.; Hietala, H.; Perri, S.; omez-Herrero, R.; iguez-Pacheco, Rodr\; Antonucci, E.; Romoli, M.; Fineschi, S.; Maksimovic, M.; Sou\vcek, J.; Chust, T.; Kretzschmar, M.; Vecchio, A.; Müller, D.; Zouganelis, I.; Winslow, R.~M.; Giordano, S.; Mancuso, S.; Susino, R.; Ivanovski, S.~L.; Messerotti, M.; Brien, H.; Evans, V.; Angelini, V.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140648

Parker Data Used; magnetohydrodynamics (MHD); Sun: coronal mass ejections (CMEs); Sun: evolution; Sun: heliosphere; Solar wind; solar-terrestrial relations

Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage. Observations and modeling

Context. Solar Orbiter, the new-generation mission dedicated to solar and heliospheric exploration, was successfully launched on February 10, 2020, 04:03 UTC from Cape Canaveral. During its first perihelion passage in June 2020, two successive interplanetary coronal mass ejections (ICMEs), propagating along the heliospheric current sheet (HCS), impacted the spacecraft. \ Aims: This paper addresses the investigation of the ICMEs encountered by Solar Orbiter on June 7\ensuremath-8, 2020, from both an observational and a modeli ...

Telloni, D.; Scolini, C.; Möstl, C.; Zank, G.~P.; Zhao, L.; Weiss, A.~J.; Reiss, M.~A.; Laker, R.; Perrone, D.; Khotyaintsev, Y.; Steinvall, K.; Sorriso-Valvo, L.; Horbury, T.~S.; Wimmer-Schweingruber, R.~F.; Bruno, R.; Amicis, R.; De Marco, R.; Jagarlamudi, V.~K.; Carbone, F.; Marino, R.; Stangalini, M.; Nakanotani, M.; Adhikari, L.; Liang, H.; Woodham, L.~D.; Davies, E.~E.; Hietala, H.; Perri, S.; omez-Herrero, R.; iguez-Pacheco, Rodr\; Antonucci, E.; Romoli, M.; Fineschi, S.; Maksimovic, M.; Sou\vcek, J.; Chust, T.; Kretzschmar, M.; Vecchio, A.; Müller, D.; Zouganelis, I.; Winslow, R.~M.; Giordano, S.; Mancuso, S.; Susino, R.; Ivanovski, S.~L.; Messerotti, M.; Brien, H.; Evans, V.; Angelini, V.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140648

Parker Data Used; magnetohydrodynamics (MHD); Sun: coronal mass ejections (CMEs); Sun: evolution; Sun: heliosphere; Solar wind; solar-terrestrial relations

Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage. Observations and modeling

Context. Solar Orbiter, the new-generation mission dedicated to solar and heliospheric exploration, was successfully launched on February 10, 2020, 04:03 UTC from Cape Canaveral. During its first perihelion passage in June 2020, two successive interplanetary coronal mass ejections (ICMEs), propagating along the heliospheric current sheet (HCS), impacted the spacecraft. \ Aims: This paper addresses the investigation of the ICMEs encountered by Solar Orbiter on June 7\ensuremath-8, 2020, from both an observational and a modeli ...

Telloni, D.; Scolini, C.; Möstl, C.; Zank, G.~P.; Zhao, L.; Weiss, A.~J.; Reiss, M.~A.; Laker, R.; Perrone, D.; Khotyaintsev, Y.; Steinvall, K.; Sorriso-Valvo, L.; Horbury, T.~S.; Wimmer-Schweingruber, R.~F.; Bruno, R.; Amicis, R.; De Marco, R.; Jagarlamudi, V.~K.; Carbone, F.; Marino, R.; Stangalini, M.; Nakanotani, M.; Adhikari, L.; Liang, H.; Woodham, L.~D.; Davies, E.~E.; Hietala, H.; Perri, S.; omez-Herrero, R.; iguez-Pacheco, Rodr\; Antonucci, E.; Romoli, M.; Fineschi, S.; Maksimovic, M.; Sou\vcek, J.; Chust, T.; Kretzschmar, M.; Vecchio, A.; Müller, D.; Zouganelis, I.; Winslow, R.~M.; Giordano, S.; Mancuso, S.; Susino, R.; Ivanovski, S.~L.; Messerotti, M.; Brien, H.; Evans, V.; Angelini, V.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140648

Parker Data Used; magnetohydrodynamics (MHD); Sun: coronal mass ejections (CMEs); Sun: evolution; Sun: heliosphere; Solar wind; solar-terrestrial relations

Probing Upflowing Regions in the Quiet Sun and Coronal Holes

Recent observations from Parker Solar Probe have revealed that the solar wind has a highly variable structure. How this complex behaviour is formed in the solar corona is not yet known, since it requires omnipresent fluctuations, which constantly emit material to feed the wind. In this article we analyse 14 upflow regions in the solar corona to find potential sources for plasma flow. The upflow regions are derived from spectroscopic data from the EUV Imaging Spectrometer (EIS) on board Hinode determining their Doppler veloci ...

Schwanitz, Conrad; Harra, Louise; Raouafi, Nour; Sterling, Alphonse; Vacas, Alejandro; Iniesta, Jose; arez, David; Hara, Hirohisa;

Published by: \solphys      Published on: dec

YEAR: 2021     DOI: 10.1007/s11207-021-01915-0

Parker Data Used; Corona; structures; Coronal holes; Jets; Astrophysics - Solar and Stellar Astrophysics

Switchback-like structures observed by Solar Orbiter

Context. Rapid polarity reversals of the radial heliospheric magnetic field were discovered by Ulysses and they are now frequently observed as a common near-Sun phenomenon by NASA s Parker Solar Probe (PSP). Other solar wind missions, including ESA-NASA Solar Orbiter (SolO), also observe similar phenomena. The nature of these fluctuations is unclear, and the relation between the switchbacks observed near the Sun and similar events observed at 1 AU is unknown. \ Aims: We make a detailed case study of the SolO plasma and m ...

Fedorov, A.; Louarn, P.; Owen, C.~J.; Horbury, T.~S.; Prech, L.; Durovcova, T.; Barthe, A.; Rouillard, A.~P.; Kasper, J.~C.; Bale, S.~D.; Bruno, R.; Brien, H.; Evans, V.; Angelini, V.; Larson, D.; Livi, R.; Lavraud, B.; Andre, N.; Genot, V.; Penou, E.; Mele, G.; Fortunato, V.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202141246

Parker Data Used; magnetic reconnection; Sun: heliosphere

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

\ Aims: We present the first measurements of the angular- momentum flux in the solar wind recorded by the Solar Orbiter spacecraft. Our aim is to validate these measurements to support future studies of the Sun s angular-momentum loss. \ Methods: We combined 60-min averages of the proton bulk moments and the magnetic field measured by the Solar Wind Analyser and the magnetometer onboard Solar Orbiter. We calculated the angular-momentum flux per solid-angle element using data from the first orbit of the mission s cruise phase ...

Verscharen, Daniel; Stansby, David; Finley, Adam; Owen, Christopher; Horbury, Timothy; Maksimovic, Milan; Velli, Marco; Bale, Stuart; Louarn, Philippe; Fedorov, Andrei; Bruno, Roberto; Livi, Stefano; Khotyaintsev, Yuri; Vecchio, Antonio; Lewis, Gethyn; Anekallu, Chandrasekhar; Kelly, Christopher; Watson, Gillian; Kataria, Dhiren; Brien, Helen; Evans, Vincent; Angelini, Virginia; SWA, MAG; Teams, RPW;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140956

magnetohydrodynamics (MHD); plasmas; Sun: magnetic fields; Solar wind; stars: rotation; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics

The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29

Context. On 2020 November 29, the first widespread solar energetic particle (SEP) event of solar cycle 25 was observed at four widely separated locations in the inner (\ensuremath\lesssim1 AU) heliosphere. Relativistic electrons as well as protons with energies > 50 MeV were observed by Solar Orbiter (SolO), Parker Solar Probe, the Solar Terrestrial Relations Observatory (STEREO)-A and multiple near- Earth spacecraft. The SEP event was associated with an M4.4 class X-ray flare and accompanied by a coronal mass ejection and a ...

Kollhoff, A.; Kouloumvakos, A.; Lario, D.; Dresing, N.; omez-Herrero, R.; ia, Rodr\; Malandraki, O.~E.; Richardson, I.~G.; Posner, A.; Klein, K.; Pacheco, D.; Klassen, A.; Heber, B.; Cohen, C.~M.~S.; Laitinen, T.; Cernuda, I.; Dalla, S.; Lara, Espinosa; Vainio, R.; Köberle, M.; Kühl, R.; Xu, Z.~G.; Berger, L.; Eldrum, S.; Brüdern, M.; Laurenza, M.; Kilpua, E.~J.; Aran, A.; Rouillard, A.~P.; ik, Bu\vc\; Wijsen, N.; Pomoell, J.; Wimmer-Schweingruber, R.~F.; Martin, C.; Böttcher, S.~I.; von Forstner, J.~L.; Terasa, J.; Boden, S.; Kulkarni, S.~R.; Ravanbakhsh, A.; Yedla, M.; Janitzek, N.; iguez-Pacheco, Rodr\; Mateo, Prieto; Prieto, S.; Espada, Parra; Polo, Rodr\; in, Mart\; Carcaboso, F.; Mason, G.~M.; Ho, G.~C.; Allen, R.~C.; Andrews, Bruce; Schlemm, C.~E.; Seifert, H.; Tyagi, K.; Lees, W.~J.; Hayes, J.; Bale, S.~D.; Krupar, V.; Horbury, T.~S.; Angelini, V.; Evans, V.; Brien, H.; Maksimovic, M.; Khotyaintsev, Yu.; Vecchio, A.; Steinvall, K.; Asvestari, E.;

Published by: \aap      Published on: dec

YEAR: 2021     DOI: 10.1051/0004-6361/202140937

Parker Data Used; Sun: particle emission; Sun: heliosphere; Sun: coronal mass ejections (CMEs); Sun: flares; Interplanetary medium

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

Multi-spacecraft study of the solar wind at solar minimum: Dependence on latitude and transient outflows

Context. The recent launches of Parker Solar Probe, Solar Orbiter (SO), and BepiColombo, along with several older spacecraft, have provided the opportunity to study the solar wind at multiple latitudes and distances from the Sun simultaneously. \ Aims: We take advantage of this unique spacecraft constellation, along with low solar activity across two solar rotations between May and July 2020, to investigate how the solar wind structure, including the heliospheric current sheet (HCS), varies with latitude. \ Methods: We visua ...

Laker, R.; Horbury, T.~S.; Bale, S.~D.; Matteini, L.; Woolley, T.; Woodham, L.~D.; Stawarz, J.~E.; Davies, E.~E.; Eastwood, J.~P.; Owens, M.~J.; Brien, H.; Evans, V.; Angelini, V.; Richter, I.; Heyner, D.; Owen, C.~J.; Louarn, P.; Fedorov, A.;

Published by: \aap      Published on: aug

YEAR: 2021     DOI: 10.1051/0004-6361/202140679

Sun: coronal mass ejections (CMEs); Solar wind; Sun: heliosphere; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Parker Data Used

Evolution of Interplanetary Coronal Mass Ejection Complexity: A Numerical Study through a Swarm of Simulated Spacecraft

In-situ measurements carried out by spacecraft in radial alignment are critical to advance our knowledge on the evolutionary behavior of coronal mass ejections (CMEs) and their magnetic structures during propagation through interplanetary space. Yet, the scarcity of radially aligned CME crossings restricts investigations on the evolution of CME magnetic structures to a few case studies, preventing a comprehensive understanding of CME complexity changes during propagation. In this Letter, we perform numerical simulations of C ...

Scolini, Camilla; Winslow, Reka; Lugaz, No\; Poedts, Stefaan;

Published by: \apjl      Published on: aug

YEAR: 2021     DOI: 10.3847/2041-8213/ac0d58

Solar coronal mass ejections; Solar wind; Parker Data Used; interplanetary magnetic fields; Corotating streams; 310; 1534; 824; 314; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Thin silicon solid-state detectors for energetic particle measurements. Development, characterization, and application on NASA s Parker Solar Probe mission

Context. Silicon solid-state detectors are commonly used for measuring the specific ionization, dE∕dx, in instruments designed for identifying energetic nuclei using the dE∕dx versus total energy technique in space and in the laboratory. The energy threshold and species resolution of the technique strongly depend on the thickness and thickness uniformity of these detectors.
Aims: Research has been carried out to develop processes for fabricating detectors that are thinner than 15 μm, that have a thickness uniform ...

Wiedenbeck, M.; Burnham, J.; Cohen, C.; Cook, W.; Crabill, R.; Cummings, A.; Davis, A.; Kecman, B.; Labrador, A.; Leske, R.; Mewaldt, R.; Rankin, J.; Rusert, M.; Stone, E.; Christian, E.; Goodwin, P.; Link, J.; Nahory, B.; Shuman, S.; von Rosenvinge, T.; Tindall, C.; Black, H.; Bullough, M.; Clarke, N.; Glasson, V.; Greenwood, N.; Hawkins, C.; Johnson, T.; Newton, A.; Richardson, K.; Walsh, S.; Wilburn, C.; Birdwell, B.; Everett, d.; McComas, D.; Weidner, S.; Angold, N.; Schwadron, N.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039754

instrumentation: detectors; Sun: particle emission; acceleration of particles; space vehicles: instruments; Parker Data Used

In-flight Calibration and Data Reduction for the WISPR Instrument On Board the PSP Mission

We present the calibration status and data reduction methodology for the Wide Field Imager for Solar Probe (WISPR) on board the Parker Solar Probe (PSP) mission. In particular, we describe the process for converting a raw image, measured in digital numbers (DN), to a calibrated image, measured in mean solar brightness (MSB). We also discuss details of the on board image processing including bias removal, the linearity of the electronics, pointing, geometric distortion, and photometric calibration using stellar measurements, ...

Hess, Phillip; Howard, Russell; Stenborg, Guillermo; Linton, Mark; Vourlidas, Angelos; Thernisien, Arnaud; Colaninno, Robin; Rich, Nathan; Wang, Dennis; Battams, Karl; Kuroda, Natsuha;

Published by: Solar Physics      Published on: 06/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01847-9

instrumentation; Data management; Parker Data Used

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

Context. 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 observations provides a unique opportunity to test and constrain global models of the solar corona and inner heliosphere and, in turn, use the model results to provide a global context for interpreting such observations.
Aims: In this study, we develop a set of global magnetohydrodynamic (MHD) model solutions of varying degrees of soph ...

Riley, Pete; Lionello, Roberto; Caplan, Ronald; Downs, Cooper; Linker, Jon; Badman, Samuel; Stevens, Michael;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039815

Sun: corona; Sun: heliosphere; Sun: magnetic fields; Solar wind; Sun: evolution; Interplanetary medium; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Parker Data Used

Evolution of Solar Wind Turbulence from 0.1 to 1 au during the First Parker Solar Probe-Solar Orbiter Radial Alignment

The first radial alignment between Parker Solar Probe and Solar Orbiter spacecraft is used to investigate the evolution of solar wind turbulence in the inner heliosphere. Assuming ballistic propagation, two 1.5 hr intervals are tentatively identified as providing measurements of the same plasma parcels traveling from 0.1 to 1 au. Using magnetic field measurements from both spacecraft, the properties of turbulence in the two intervals are assessed. Magnetic spectral density, flatness, and high-order moment scaling laws are ca ...

Telloni, Daniele; Sorriso-Valvo, Luca; Woodham, Lloyd; Panasenco, Olga; Velli, Marco; Carbone, Francesco; Zank, Gary; Bruno, Roberto; Perrone, Denise; Nakanotani, Masaru; Shi, Chen; Amicis, Raffaella; De Marco, Rossana; Jagarlamudi, Vamsee; Steinvall, Konrad; Marino, Raffaele; Adhikari, Laxman; Zhao, Lingling; Liang, Haoming; Tenerani, Anna; Laker, Ronan; Horbury, Timothy; Bale, Stuart; Pulupa, Marc; Malaspina, David; MacDowall, Robert; Goetz, Keith; de Wit, Thierry; Harvey, Peter; Kasper, Justin; Korreck, Kelly; Larson, Davin; Case, Anthony; Stevens, Michael; Whittlesey, Phyllis; Livi, Roberto; Owen, Christopher; Livi, Stefano; Louarn, Philippe; Antonucci, Ester; Romoli, Marco; Brien, Helen; Evans, Vincent; Angelini, Virginia;

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

YEAR: 2021     DOI: 10.3847/2041-8213/abf7d1

Parker Data Used; Magnetohydrodynamics; Alfven waves; Space plasmas; interplanetary turbulence; Solar wind; 1964; 23; 1544; 830; 1534

Depleted Plasma Densities in the Ionosphere of Venus Near Solar Minimum From Parker Solar Probe Observations of Upper Hybrid Resonance Emission

On July 11, 2020, NASA s Parker Solar Probe made its third flyby of Venus. The upper hybrid resonance emission was observed below 1,100 km (a first at Venus), revealing electron densities an order of magnitude lower than at solar maximum. These observations are consistent with a substantial variation in the density and structure of the Venusian ionosphere over the Solar Cycle.

Collinson, Glyn; Ramstad, Robin; Glocer, Alex; Wilson, Lynn; Brosius, Alexandra;

Published by: Geophysical Research Letters      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020GL092243

ionosphere; parker solar probe; solar cycle; upper hybrid emission; Venus; waves; Parker Data Used

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

Electron Acceleration during Macroscale Magnetic Reconnection

The first self-consistent simulations of electron acceleration during magnetic reconnection in a macroscale system are presented. Consistent with solar flare observations, the spectra of energetic electrons take the form of power laws that extend more than two decades in energy. The drive mechanism for these nonthermal electrons is Fermi reflection in growing and merging magnetic flux ropes. A strong guide field suppresses the production of nonthermal electrons by weakening the Fermi drive mechanism. For a weak guide field t ...

Arnold, H.; Drake, J.; Swisdak, M.; Guo, F.; Dahlin, J.; Chen, B.; Fleishman, G.; Glesener, L.; Kontar, E.; Phan, T.; Shen, C.;

Published by: Physical Review Letters      Published on: 04/2021

YEAR: 2021     DOI: 10.1103/PhysRevLett.126.135101

Parker Data Used; Physics - Plasma Physics; Astrophysics - High Energy Astrophysical Phenomena

Self-Organization through the Inner Heliosphere: Insights from Parker Solar Probe

Stumpo, Mirko; Quattrociocchi, Virgilio; Benella, Simone; Alberti, Tommaso; Consolini, Giuseppe;

Published by: Atmosphere      Published on: 02/2021

YEAR: 2021     DOI: 10.3390/atmos12030321

Parker Data Used

2020

Coherent Events at Ion Scales in the Inner Heliosphere: Parker Solar Probe Observations during the First Encounter

The Parker Solar Probe mission has shown the ubiquitous presence of strong magnetic field deflections, namely switchbacks, during its first perihelion where it was embedded in a highly Alfvenic slow stream. Here, we study the turbulent magnetic fluctuations around ion scales in three intervals characterized by a different switchback activity, identified by the behavior of the magnetic field radial component, B-r. Quiet (B-r does not show significant fluctuations), weakly disturbed (B-r has strong fluctuations but no reversal ...

Perrone, Denise; Bruno, Roberto; Amicis, Raffaella; Telloni, Daniele; De Marco, Rossana; Stangalini, Marco; Perri, Silvia; Pezzi, Oreste; Alexandrova, Olga; Bale, Stuart;

Published by: ASTROPHYSICAL JOURNAL      Published on: 12/2020

YEAR: 2020     DOI: 10.3847/1538-4357/abc480

Parker Data Used

On the Scaling Properties of Magnetic-field Fluctuations through the Inner Heliosphere

Although the interplanetary magnetic-field variability has been extensively investigated in situ using data from several space missions, newly launched missions providing high-resolution measures and approaching the Sun offer the possibility to study the multiscale variability in the innermost\ solar\ system. Here, using\ Parker\ Solar\ Probe\ measurements, we investigate the scaling properties of\ solar\ wind magnetic-field fluctuations at different heliocentric distances. The resu ...

Alberti, Tommaso; Laurenza, Monica; Consolini, Giuseppe; Milillo, Anna; Marcucci, Maria; Carbone, Vincenzo; Bale, Stuart;

Published by: The Astrophysical Journal      Published on: 10/2020

YEAR: 2020     DOI: 10.3847/1538-4357/abb3d2

Chaos; interplanetary magnetic fields; interplanetary turbulence; Parker Data Used; parker solar probe; Solar Probe Plus; Solar wind; Time series analysis

Analysis of the Helical Kink Stability of Differently Twisted Magnetic Flux Ropes

Magnetic flux ropes (MFRs) are usually considered to be the magnetic structure that dominates the transport of helicity from the Sun into the heliosphere. They entrain a confined plasma within a helically organized magnetic structure and are able to cause geomagnetic activity. The formation, evolution, and twist distribution of MFRs are issues subject to strong debate. Although different twist profiles have been suggested so far, none of them has been thoroughly explored yet. The aim of this work is to present a theoretic ...

Florido-Llinas, M.; Nieves-Chinchilla, T.; Linton, M.;

Published by: Solar Physics      Published on: 09/2020

YEAR: 2020     DOI: 10.1007/s11207-020-01687-z

coronal mass ejections; Flux ropes; Kink instability; magnetic fields; parker solar probe; Solar Probe Plus; Twist distribution

Analysis of the Helical Kink Stability of Differently Twisted Magnetic Flux Ropes

Magnetic flux ropes (MFRs) are usually considered to be the magnetic structure that dominates the transport of helicity from the Sun into the heliosphere. They entrain a confined plasma within a helically organized magnetic structure and are able to cause geomagnetic activity. The formation, evolution, and twist distribution of MFRs are issues subject to strong debate. Although different twist profiles have been suggested so far, none of them has been thoroughly explored yet. The aim of this work is to present a theoretic ...

Florido-Llinas, M.; Nieves-Chinchilla, T.; Linton, M.;

Published by: Solar Physics      Published on: 09/2020

YEAR: 2020     DOI: 10.1007/s11207-020-01687-z

coronal mass ejections; Flux ropes; Kink instability; magnetic fields; parker solar probe; Solar Probe Plus; Twist distribution

The Streamer Blowout Origin of a Flux Rope and Energetic Particle Event Observed by Parker Solar Probe at 0.5 au

The distribution of spacecraft in the inner heliosphere during 2019 March enabled comprehensive observations of an interplanetary coronal mass ejection (ICME) that encountered Parker Solar Probe (PSP) at 0.547 au from the Sun. This ICME originated as a slow (\~311 km s-1) streamer blowout (SBO) on the Sun as measured by the white-light coronagraphs on board the Solar TErrestrial RElations Observatory-A and the Solar and Heliospheric Observatory. Despite its low initial speed, the passage of the ICME at PSP was ...

Lario, D.; Balmaceda, L.; Alzate, N.; Mays, M.; Richardson, I.; Allen, R.; Florido-Llinas, M.; Nieves-Chinchilla, T.; Koval, A.; Lugaz, N.; Jian, L.; Arge, C.; Macneice, P.; Odstrcil, D.; Morgan, H.; Szabo, A.; Desai, M.; Whittlesey, P.; Stevens, M.; Ho, G.; Luhmann, J.;

Published by: The Astrophysical Journal      Published on: 07/2020

YEAR: 2020     DOI: 10.3847/1538-4357/ab9942

Parker Data Used; parker solar probe; Solar Probe Plus

Coronal-jet-producing Minifilament Eruptions as a Possible Source of Parker Solar Probe Switchbacks

The Parker Solar Probe (PSP) has observed copious rapid magnetic field direction changes in the near-Sun solar wind. These features have been called "switchbacks," and their origin is a mystery. But their widespread nature suggests that they may be generated by a frequently occurring process in the Sun\textquoterights atmosphere. We examine the possibility that the switchbacks originate from coronal jets. Recent work suggests that many coronal jets result when photospheric magnetic flux cancels, and forms a small-scale "m ...

Sterling, Alphonse; Moore, Ronald;

Published by: The Astrophysical Journal      Published on: 06/2020

YEAR: 2020     DOI: 10.3847/2041-8213/ab96be

1503; 1504; 1534; 1981; Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Physics - Space Physics; 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

The Solar Probe Cup on the Parker Solar Probe

Solar Probe Cup (SPC) is a Faraday cup instrument on board NASA\textquoterights Parker Solar Probe (PSP) spacecraft designed to make rapid measurements of thermal coronal and solar wind plasma. The spacecraft is in a heliocentric orbit that takes it closer to the Sun than any previous spacecraft, allowing measurements to be made where the coronal and solar wind plasma is being heated and accelerated. The SPC instrument was designed to be pointed directly at the Sun at all times, allowing the solar wind (which is flowing p ...

Case, A.; Kasper, Justin; Stevens, Michael; Korreck, Kelly; Paulson, Kristoff; Daigneau, Peter; Caldwell, Dave; Freeman, Mark; Henry, Thayne; Klingensmith, Brianna; Bookbinder, J.; Robinson, Miles; Berg, Peter; Tiu, Chris; Wright, K.; Reinhart, Matthew; Curtis, David; Ludlam, Michael; Larson, Davin; Whittlesey, Phyllis; Livi, Roberto; Klein, Kristopher; c, Mihailo;

Published by: The Astrophysical Journal Supplement Series      Published on: 02/2020

YEAR: 2020     DOI: 10.3847/1538-4365/ab5a7b

Astrophysics - Instrumentation and Methods for Astrophysics; Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus

2019

Near-Sun observations of an F-corona decrease and K-corona fine structure

Remote observations of the solar photospheric light scattered by electrons (the K-corona) and dust (the F-corona or zodiacal light) have been made from the ground during eclipses and from space at distances as small as 0.3 astronomical units to the Sun. Previous observations of dust scattering have not confirmed the existence of the theoretically predicted dust-free zone near the Sun. The transient nature of the corona has been well characterized for large events, but questions still remain (for example, about the initiat ...

Howard, R.; Vourlidas, A.; Bothmer, V.; Colaninno, R.; Deforest, C.; Gallagher, B.; Hall, J.; Hess, P.; Higginson, A.; Korendyke, C.; Kouloumvakos, A.; Lamy, P.; Liewer, P.; Linker, J.; Linton, M.; Penteado, P.; Plunkett, S.; Poirier, N.; Raouafi, N.; Rich, N.; Rochus, P.; Rouillard, A.; Socker, D.; Stenborg, G.; Thernisien, A.; Viall, N.;

Published by: Nature      Published on: 12/2019

YEAR: 2019     DOI: 10.1038/s41586-019-1807-x

Parker Data Used; parker solar probe; Solar Probe Plus

Near-Sun observations of an F-corona decrease and K-corona fine structure

Remote observations of the solar photospheric light scattered by electrons (the K-corona) and dust (the F-corona or zodiacal light) have been made from the ground during eclipses and from space at distances as small as 0.3 astronomical units to the Sun. Previous observations of dust scattering have not confirmed the existence of the theoretically predicted dust-free zone near the Sun. The transient nature of the corona has been well characterized for large events, but questions still remain (for example, about the initiat ...

Howard, R.; Vourlidas, A.; Bothmer, V.; Colaninno, R.; Deforest, C.; Gallagher, B.; Hall, J.; Hess, P.; Higginson, A.; Korendyke, C.; Kouloumvakos, A.; Lamy, P.; Liewer, P.; Linker, J.; Linton, M.; Penteado, P.; Plunkett, S.; Poirier, N.; Raouafi, N.; Rich, N.; Rochus, P.; Rouillard, A.; Socker, D.; Stenborg, G.; Thernisien, A.; Viall, N.;

Published by: Nature      Published on: 12/2019

YEAR: 2019     DOI: 10.1038/s41586-019-1807-x

Parker Data Used; parker solar probe; Solar Probe Plus

Large-scale parallel electric fields and return currents in a global simulation model

Arnold, H.; Drake, J.~F.; Swisdak, M.; Dahlin, J.;

Published by: Physics of Plasmas      Published on: 10/2019

YEAR: 2019     DOI: 10.1063/1.5120373

Parker Data Used; Physics - Plasma Physics; Physics - Space Physics

Predicting the Structure of the Solar Corona and Inner Heliosphere during Parker Solar Probe \textquoterights First Perihelion Pass

NASA\textquoterights Parker Solar Probe (PSP) spacecraft reached its first perihelion of 35.7 solar radii on 2018 November 5. To aid in mission planning, and in anticipation of the unprecedented measurements to be returned, in late October, we developed a three-dimensional magnetohydrodynamic (MHD) solution for the solar corona and inner heliosphere, driven by the then available observations of the Sun\textquoterights photospheric magnetic field. Our model incorporates a wave-turbulence-driven model to heat the corona. He ...

Riley, Pete; Downs, Cooper; Linker, Jon; Mikic, Zoran; Lionello, Roberto; Caplan, Ronald;

Published by: The Astrophysical Journal      Published on: 04/2019

YEAR: 2019     DOI: 10.3847/2041-8213/ab0ec3

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

Generic Magnetic Field Intensity Profiles of Interplanetary Coronal Mass Ejections at Mercury, Venus, and Earth From Superposed Epoch Analyses

Janvier, Miho; Winslow, Reka; Good, Simon; Bonhomme, Elise; emoulin, Pascal; Dasso, Sergio; Möstl, Christian; Lugaz, No\; Amerstorfer, Tanja; e, Elie; Boakes, Peter;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 02/2019

YEAR: 2019     DOI: 10.1029/2018JA025949

coronal mass ejections; heliospheric physics; data analysis; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics

A computational model for exploring particle acceleration during reconnection in macroscale systems

Drake, J.~F.; Arnold, H.; Swisdak, M.; Dahlin, J.~T.;

Published by: Physics of Plasmas      Published on: 01/2019

YEAR: 2019     DOI: 10.1063/1.5058140

Parker Data Used; Astrophysics - Solar and Stellar Astrophysics; Astrophysics - High Energy Astrophysical Phenomena; Physics - Plasma Physics

2018

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

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

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

Stray light testing of WISPR baffle development model

Solar Probe Plus (SPP) is a NASA mission developed to visit and study the sun closer than ever before. SPP is designed to orbit as close as 7 million km (9.86 solar radii) from Sun center. One of its instruments: WISPR (Wide-Field Imager for Solar Probe Plus) will be the first local imager to provide the relation between the large-scale corona and the in-situ measurements.
© 2017 SPIE.

Hellin, M.-L.; Mazy, E.; Marcotte, S.; Stockman, Y.; Korendyke, C.; Thernisien, A.;

Published by: Proceedings of SPIE - The International Society for Optical Engineering      Published on:

YEAR: 2017     DOI:

NASA; Probes; Parker Engineering

Agile methodology for spacecraft ground software development: A cultural shift

In the Space Exploration Sector (SES) at Johns Hopkins University Applied Physics Laboratory (JHU/APL) the development of Mission Operations Ground Software (GSW) to support NASA and Department of Defense spacecraft missions has traditionally followed the incremental build methodology. As part of our continuous process improvement effort, the Agile methodology is being introduced as an alternative approach to software development. To meet the needs of sponsor requirements and satisfy our quality management processes a tailor ...

Wortman, Kristin; Duncan, Brian; Melin, Eric;

Published by: IEEE Aerospace Conference Proceedings      Published on:

YEAR: 2017     DOI:

Computer software; NASA; Quality management; Space flight; Spacecraft; Parker Engineering

Advancements in hardware design for the frontier radio used for the solar probe plus mission

The Frontier Radio for the Solar Probe Plus mission offers a host of hardware design and manufacturing improvements. These improvements build on the technology readiness level (TRL)-9 radio platform that was flown on the Van Allen Probes mission in a duplexed S-band configuration and several development tasks funded by NASA Headquarters. Prior RF slice designs consisted of two separate circuit boards: one for lower frequencies and one for high-frequencies; advances in technology enabled the use of a high-frequency multilayer ...

Angert, Matthew; Bubnash, Brian; Hearty, Ryan; Neill, Michael; Ling, Sharon; Matlin, Daniel; Cheng, Sheng;

Published by: IEEE Aerospace Conference Proceedings      Published on:

YEAR: 2017     DOI:

Digital signal processing; Field programmable gate arrays (FPGA); Integrated circuit design; Interplanetary flight; Magnesium alloys; Manufacture; NASA; Probes; Random access storage; Parker Engineering

Advancements in hardware design for the frontier radio used for the solar probe plus mission

The Frontier Radio for the Solar Probe Plus mission offers a host of hardware design and manufacturing improvements. These improvements build on the technology readiness level (TRL)-9 radio platform that was flown on the Van Allen Probes mission in a duplexed S-band configuration and several development tasks funded by NASA Headquarters. Prior RF slice designs consisted of two separate circuit boards: one for lower frequencies and one for high-frequencies; advances in technology enabled the use of a high-frequency multilayer ...

Angert, Matthew; Bubnash, Brian; Hearty, Ryan; Neill, Michael; Ling, Sharon; Matlin, Daniel; Cheng, Sheng;

Published by: IEEE Aerospace Conference Proceedings      Published on:

YEAR: 2017     DOI:

Digital signal processing; Field programmable gate arrays (FPGA); Integrated circuit design; Interplanetary flight; Magnesium alloys; Manufacture; NASA; Probes; Random access storage; Parker Engineering



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