PSP Bibliography





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Found 218 entries in the Bibliography.


Showing entries from 1 through 50


2023

Structure of the Plasma near the Heliospheric Current Sheet as Seen by WISPR/Parker Solar Probe from inside the Streamer Belt

Parker Solar Probe (PSP) crossed the heliospheric current sheet (HCS) near the perihelion on encounters E8 and E11, enabling the Wide- field Imager for Solar Probe (WISPR) to image the streamer belt plasma in high resolution while flying through it. With perihelia of 16 R $_\ensuremath\odot$ and 13 R $_\ensuremath\odot$ for E8 and E11, respectively, WISPR images enable investigation of the structure of density encasing the HCS at much higher resolution than reported previously. As PSP flies closer to the Sun, fine-scale stru ...

Liewer, Paulett; Vourlidas, Angelos; Stenborg, Guillermo; Howard, Russell; Qiu, Jiong; Penteado, Paulo; Panasenco, Olga; Braga, Carlos;

Published by: \apj      Published on: may

YEAR: 2023     DOI: 10.3847/1538-4357/acc8c7

Parker Data Used; Solar coronal streamers; Solar K corona; 1486; 2042

Time Dependence of 50-250 MeV Galactic Cosmic-Ray Protons between Solar Cycles 24 and 25, Measured by the High-energy Particle Detector on board the CSES-01 Satellite

Time-dependent energy spectra of galactic cosmic rays (GCRs) carry crucial information regarding their origin and propagation throughout the interstellar environment. When observed at the Earth, after traversing the interplanetary medium, such spectra are heavily affected by the solar wind and the embedded solar magnetic field permeating the inner sectors of the heliosphere. The activity of the Sun changes significantly over an 11 yr solar cycle-and so does the effect on cosmic particles; this translates into a phenomenon ca ...

Martucci, M.; Ammendola, R.; Badoni, D.; Bartocci, S.; Battiston, R.; Beolè, S.; Burger, W.~J.; Campana, D.; Castellini, G.; Cipollone, P.; Coli, S.; Conti, L.; Contin, A.; Cristoforetti, M.; Angelo, G.; De Donato, C.; De Santis, C.; Di Luca, A.; Follega, F.~M.; Gebbia, G.; Iuppa, R.; Lega, A.; Lolli, M.; Marcelli, N.; Masciantonio, G.; Mergè, M.; Mese, M.; Neubüser, C.; Nozzoli, F.; Oliva, A.; Osteria, G.; Pacini, L.; Palma, F.; Palmonari, F.; Panico, B.; Parmentier, A.; Perciballi, S.; Perfetto, F.; Picozza, P.; Pozzato, M.; Rebustini, G.~M.; Ricci, E.; Ricci, M.; Ricciarini, S.~B.; Savino, U.; Sahnoun, Z.; Scotti, V.; Sotgiu, A.; Sparvoli, R.; Ubertini, P.; Vilona, V.; Vitale, V.; Zoffoli, S.; Zuccon, P.; Aslam, O.~P.~M.; Ngobeni, M.~D.; Potgieter, M.~S.;

Published by: \apjl      Published on: mar

YEAR: 2023     DOI: 10.3847/2041-8213/acbea7

Parker Data Used; Active sun; Heliosphere; Galactic cosmic rays; 18; 711; 567

Time Dependence of 50-250 MeV Galactic Cosmic-Ray Protons between Solar Cycles 24 and 25, Measured by the High-energy Particle Detector on board the CSES-01 Satellite

Time-dependent energy spectra of galactic cosmic rays (GCRs) carry crucial information regarding their origin and propagation throughout the interstellar environment. When observed at the Earth, after traversing the interplanetary medium, such spectra are heavily affected by the solar wind and the embedded solar magnetic field permeating the inner sectors of the heliosphere. The activity of the Sun changes significantly over an 11 yr solar cycle-and so does the effect on cosmic particles; this translates into a phenomenon ca ...

Martucci, M.; Ammendola, R.; Badoni, D.; Bartocci, S.; Battiston, R.; Beolè, S.; Burger, W.~J.; Campana, D.; Castellini, G.; Cipollone, P.; Coli, S.; Conti, L.; Contin, A.; Cristoforetti, M.; Angelo, G.; De Donato, C.; De Santis, C.; Di Luca, A.; Follega, F.~M.; Gebbia, G.; Iuppa, R.; Lega, A.; Lolli, M.; Marcelli, N.; Masciantonio, G.; Mergè, M.; Mese, M.; Neubüser, C.; Nozzoli, F.; Oliva, A.; Osteria, G.; Pacini, L.; Palma, F.; Palmonari, F.; Panico, B.; Parmentier, A.; Perciballi, S.; Perfetto, F.; Picozza, P.; Pozzato, M.; Rebustini, G.~M.; Ricci, E.; Ricci, M.; Ricciarini, S.~B.; Savino, U.; Sahnoun, Z.; Scotti, V.; Sotgiu, A.; Sparvoli, R.; Ubertini, P.; Vilona, V.; Vitale, V.; Zoffoli, S.; Zuccon, P.; Aslam, O.~P.~M.; Ngobeni, M.~D.; Potgieter, M.~S.;

Published by: \apjl      Published on: mar

YEAR: 2023     DOI: 10.3847/2041-8213/acbea7

Parker Data Used; Active sun; Heliosphere; Galactic cosmic rays; 18; 711; 567

Time Dependence of 50-250 MeV Galactic Cosmic-Ray Protons between Solar Cycles 24 and 25, Measured by the High-energy Particle Detector on board the CSES-01 Satellite

Time-dependent energy spectra of galactic cosmic rays (GCRs) carry crucial information regarding their origin and propagation throughout the interstellar environment. When observed at the Earth, after traversing the interplanetary medium, such spectra are heavily affected by the solar wind and the embedded solar magnetic field permeating the inner sectors of the heliosphere. The activity of the Sun changes significantly over an 11 yr solar cycle-and so does the effect on cosmic particles; this translates into a phenomenon ca ...

Martucci, M.; Ammendola, R.; Badoni, D.; Bartocci, S.; Battiston, R.; Beolè, S.; Burger, W.~J.; Campana, D.; Castellini, G.; Cipollone, P.; Coli, S.; Conti, L.; Contin, A.; Cristoforetti, M.; Angelo, G.; De Donato, C.; De Santis, C.; Di Luca, A.; Follega, F.~M.; Gebbia, G.; Iuppa, R.; Lega, A.; Lolli, M.; Marcelli, N.; Masciantonio, G.; Mergè, M.; Mese, M.; Neubüser, C.; Nozzoli, F.; Oliva, A.; Osteria, G.; Pacini, L.; Palma, F.; Palmonari, F.; Panico, B.; Parmentier, A.; Perciballi, S.; Perfetto, F.; Picozza, P.; Pozzato, M.; Rebustini, G.~M.; Ricci, E.; Ricci, M.; Ricciarini, S.~B.; Savino, U.; Sahnoun, Z.; Scotti, V.; Sotgiu, A.; Sparvoli, R.; Ubertini, P.; Vilona, V.; Vitale, V.; Zoffoli, S.; Zuccon, P.; Aslam, O.~P.~M.; Ngobeni, M.~D.; Potgieter, M.~S.;

Published by: \apjl      Published on: mar

YEAR: 2023     DOI: 10.3847/2041-8213/acbea7

Parker Data Used; Active sun; Heliosphere; Galactic cosmic rays; 18; 711; 567

New Observations of Solar Wind 1/f Turbulence Spectrum from Parker Solar Probe

The trace magnetic power spectrum in the solar wind is known to be characterized by a double power law at scales much larger than the proton gyro-radius, with flatter spectral exponents close to -1 found at the lower frequencies below an inertial range with indices closer to [-1.5, -1.67]. The origin of the 1/f range is still under debate. In this study, we selected 109 magnetically incompressible solar wind intervals (\ensuremath\delta\ensuremath\mid B \ensuremath\mid/\ensuremath\mid B \ensuremath\mid \ensuremath\ll 1) from ...

Huang, Zesen; Sioulas, Nikos; Shi, Chen; Velli, Marco; Bowen, Trevor; Davis, Nooshin; Chandran, B.~D.~G.; Matteini, Lorenzo; Kang, Ning; Shi, Xiaofei; Huang, Jia; Bale, Stuart; Kasper, J.~C.; Larson, Davin; Livi, Roberto; Whittlesey, P.~L.; Rahmati, Ali; Paulson, Kristoff; Stevens, M.; Case, A.~W.; de Wit, Thierry; Malaspina, David; Bonnell, J.~W.; Goetz, Keith; Harvey, Peter; MacDowall, Robert;

Published by: \apjl      Published on: jun

YEAR: 2023     DOI: 10.3847/2041-8213/acd7f2

Parker Data Used; Solar wind; interplanetary turbulence; Magnetohydrodynamics; Space plasmas; Heliosphere; Alfven waves; 1534; 830; 1964; 1544; 711; 23; Astrophysics - Solar and Stellar Astrophysics; Physics - Fluid Dynamics; Physics - Geophysics; Physics - Plasma Physics; Physics - Space Physics

Small-scale EUV features as the drivers of coronal upflows in the quiet Sun

Context. Coronal upflows in the quiet Sun are seen in a wide range of features, including jets and filament eruptions. The in situ measurements from Parker Solar Probe within \ensuremath\approx0.2 au have demonstrated that the solar wind is highly structured, showing abrupt and near-ubiquitous magnetic field reversals (i.e., switchbacks) on different timescales. The source of these structures has been associated with supergranular structures on the solar disc. This raises the question of whether there are additional small co ...

Schwanitz, Conrad; Harra, Louise; Mandrini, Cristina; Sterling, Alphonse; Raouafi, Nour; Cormack, Cecilia; Berghmans, David; Auchère, Fr\; Barczynski, Krzysztof; Cuadrado, Regina; Buchlin, Eric; Kraaikamp, Emil; Long, David; Parenti, Susanna; Peter, Hardi; Rodriguez, Luciano; Schühle, Udo; Smith, Phil; Teriaca, Luca; Verbeeck, Cis; Zhukov, Andrei;

Published by: \aap      Published on: jun

YEAR: 2023     DOI: 10.1051/0004-6361/202346036

Parker Data Used; Sun: corona; Solar wind; Sun: UV radiation

Estimating intermittency significance by means of surrogate data: implications for solar wind turbulence

Introduction: Intermittency is a property of turbulent astrophysical plasmas, such as the solar wind, that implies irregularity and fragmentation, leading to non-uniformity in the transfer rate of energy carried by nonlinear structures from large to small scales. We evaluated the intermittency level of the turbulent magnetic field measured by the Parker Solar Probe (PSP) in the slow solar wind in the proximity of the Sun during the probe s first close encounter.Methods: A quantitative measure of intermittency could be deduce ...

Teodorescu, Eliza; Echim, Marius; Johnson, Jay;

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

YEAR: 2023     DOI: 10.3389/fspas.2023.1188126

Parker Data Used

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

We analyze a merged Parker Solar Probe (PSP) and Solar Orbiter (SO) data set covering heliocentric distances 13 R $_\ensuremath\odot$ \ensuremath\lesssim R \ensuremath\lesssim 220 R $_\ensuremath\odot$ to investigate the radial evolution of power and spectral index anisotropy in the wavevector space of solar wind turbulence. Our results show that anisotropic signatures of turbulence display a distinct radial evolution when fast, V $_sw$ \ensuremath\geq 400 km s$^-1$, and slow, V $_sw$ \ensuremath\leq 400 km s$^-1$, wind stre ...

Sioulas, Nikos; Velli, Marco; Huang, Zesen; Shi, Chen; Bowen, Trevor; Chandran, B.~D.~G.; Liodis, Ioannis; Davis, Nooshin; Bale, Stuart; Horbury, T.~S.; de Wit, Thierry; Larson, Davin; Stevens, Michael; Kasper, Justin; Owen, Christopher; Case, Anthony; Pulupa, Marc; Malaspina, David; Livi, Roberto; Goetz, Keith; Harvey, Peter; MacDowall, Robert; Bonnell, John;

Published by: \apj      Published on: jul

YEAR: 2023     DOI: 10.3847/1538-4357/acc658

Parker Data Used; interplanetary turbulence; Solar wind; Space plasmas; Magnetohydrodynamics; Plasma astrophysics; 830; 1534; 1544; 1964; 1261; Physics - Space Physics; Astrophysics - High Energy Astrophysical Phenomena; Physics - Plasma Physics

The Radial Distribution of Ion-scale Waves in the Inner Heliosphere

Determining the mechanism responsible for plasma heating and particle acceleration is a fundamental problem in the study of the heliosphere. Due to efficient wave-particle interactions of ion- scale waves with charged particles, these waves are widely believed to be a major contributor to ion energization, and their contribution considerably depends on the wave occurrence rate. By analyzing the radial distribution of quasi- monochromatic ion-scale waves observed by the Parker Solar Probe, this work shows that the wave occurr ...

Liu, Wen; Zhao, Jinsong; Wang, Tieyan; Dong, Xiangcheng; Kasper, Justin; Bale, Stuart; Shi, Chen; Wu, Dejin;

Published by: \apj      Published on: jul

YEAR: 2023     DOI: 10.3847/1538-4357/acd53b

Parker Data Used; Plasma physics; Space plasmas; Solar wind; 2089; 1544; 1534; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Interferometric imaging of the type IIIb and U radio bursts observed with LOFAR on 22 August 2017

Context. The Sun is the source of different types of radio bursts that are associated with solar flares, for example. Among the most frequently observed phenomena are type III solar bursts. Their radio images at low frequencies (below 100 MHz) are relatively poorly studied due to the limitations of legacy radio telescopes. \ Aims: We study the general characteristics of types IIIb and U with stria structure solar radio bursts in the frequency range of 20-80 MHz, in particular the source size and evolution in different altitu ...

Dabrowski, Bartosz; Miku\la, Katarzyna; Flisek, Pawe\l; Vocks, Christian; Zhang, PeiJin; c, Jasmina; Warmuth, Alexander; Morosan, Diana; n, Adam; Fallows, Richard; Bisi, Mario; Krankowski, Andrzej; Mann, Gottfried; B\laszkiewicz, Leszek; Carley, Eoin; Gallagher, Peter; Zucca, Pietro; Rudawy, Pawe\l; Hajduk, Marcin; Kotulak, Kacper; Sidorowicz, Tomasz;

Published by: \aap      Published on: jan

YEAR: 2023     DOI: 10.1051/0004-6361/202142905

Parker Data Used; Sun: radio radiation; Sun: UV radiation; Sun: activity; methods: observational; Astrophysics - Solar and Stellar Astrophysics

LOFAR Observations of Substructure Within a Traveling Ionospheric Disturbance at Mid-Latitude

The large scale morphology and finer sub-structure within a slowly propagating traveling ionospheric disturbance (TID) are studied using wide band trans-ionospheric radio observations with the LOw Frequency ARray (LOFAR; van Haarlem et al., 2013, https://doi.org/10 .1051/0004-6361/201220873). The observations were made under geomagnetically quiet conditions, between 0400 and 0800 on 7 January 2019, over the UK. In combination with ionograms and Global Navigation Sa ...

Dorrian, Gareth; Fallows, Richard; Wood, Alan; Themens, David; Boyde, Ben; Krankowski, Andrzej; Bisi, Mario; browski, Bartosz; Vocks, Christian;

Published by: Space Weather      Published on: jan

YEAR: 2023     DOI: 10.1029/2022SW003198

Parker Data Used; traveling ionospheric disturbance; ionospheric scintillation; LOw frequency ARray

Magnetic Field Spectral Evolution in the Inner Heliosphere

Parker Solar Probe and Solar Orbiter data are used to investigate the radial evolution of magnetic turbulence between 0.06 \ensuremath\lesssim R \ensuremath\lesssim 1 au. The spectrum is studied as a function of scale, normalized to the ion inertial scale d $_ i $. In the vicinity of the Sun, the inertial range is limited to a narrow range of scales and exhibits a power-law exponent of, \ensuremath\alpha $_ B $ = -3/2, independent of plasma parameters. The inertial range grows with distance, progressively extending to larger ...

Sioulas, Nikos; Huang, Zesen; Shi, Chen; Velli, Marco; Tenerani, Anna; Bowen, Trevor; Bale, Stuart; Huang, Jia; Vlahos, Loukas; Woodham, L.~D.; Horbury, T.~S.; de Wit, Thierry; Larson, Davin; Kasper, Justin; Owen, Christopher; Stevens, Michael; Case, Anthony; Pulupa, Marc; Malaspina, David; Bonnell, J.~W.; Livi, Roberto; Goetz, Keith; Harvey, Peter; MacDowall, Robert; c, Milan; Louarn, P.; Fedorov, A.;

Published by: \apjl      Published on: jan

YEAR: 2023     DOI: 10.3847/2041-8213/acaeff

Parker Data Used; Solar wind; Magnetohydrodynamics; interplanetary turbulence; Space plasmas; Plasma astrophysics; 1534; 1964; 830; 1544; 1261; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Magnetic Field Spectral Evolution in the Inner Heliosphere

Parker Solar Probe and Solar Orbiter data are used to investigate the radial evolution of magnetic turbulence between 0.06 \ensuremath\lesssim R \ensuremath\lesssim 1 au. The spectrum is studied as a function of scale, normalized to the ion inertial scale d $_ i $. In the vicinity of the Sun, the inertial range is limited to a narrow range of scales and exhibits a power-law exponent of, \ensuremath\alpha $_ B $ = -3/2, independent of plasma parameters. The inertial range grows with distance, progressively extending to larger ...

Sioulas, Nikos; Huang, Zesen; Shi, Chen; Velli, Marco; Tenerani, Anna; Bowen, Trevor; Bale, Stuart; Huang, Jia; Vlahos, Loukas; Woodham, L.~D.; Horbury, T.~S.; de Wit, Thierry; Larson, Davin; Kasper, Justin; Owen, Christopher; Stevens, Michael; Case, Anthony; Pulupa, Marc; Malaspina, David; Bonnell, J.~W.; Livi, Roberto; Goetz, Keith; Harvey, Peter; MacDowall, Robert; c, Milan; Louarn, P.; Fedorov, A.;

Published by: \apjl      Published on: jan

YEAR: 2023     DOI: 10.3847/2041-8213/acaeff

Parker Data Used; Solar wind; Magnetohydrodynamics; interplanetary turbulence; Space plasmas; Plasma astrophysics; 1534; 1964; 830; 1544; 1261; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Transport of Cosmic-Ray Electrons from 1 au to the Sun

Gamma rays are produced by cosmic-ray (CR) protons interacting with the particles at the solar photosphere and by CR electrons and positrons (CRes) via inverse Compton scattering of solar photons. The former comes from the solar disk while the latter extends beyond the disk. Evaluation of these emissions requires the flux and spectrum of CRs in the vicinity of the Sun, while most observations provide flux and spectra near the Earth, at around 1 au from the Sun. Past estimates of the quiet Sun gamma- ray emission use phenomen ...

Petrosian, Vah\; Orlando, Elena; Strong, Andrew;

Published by: \apj      Published on: jan

YEAR: 2023     DOI: 10.3847/1538-4357/aca474

Parker Data Used; cosmic rays; Solar wind; interplanetary turbulence; 329; 1534; 830; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics

A Living Catalog of Parker Solar Probe IS\ensuremath\odotIS Energetic Particle Enhancements

Energetic charged particles are pervasive throughout the heliosphere with contributions from solar energetic particle events, stream and corotating interaction regions, galactic cosmic rays, anomalous cosmic rays, and suprathermal ions. The Integrated Science Investigation of the Sun (IS\ensuremath\odotIS) on board the Parker Solar Probe is a suite of energetic particle detectors covering the energy range \raisebox-0.5ex\textasciitilde20 keV-200 MeV nuc$^-1$. IS\ensuremath\odotIS measures energetic particles closer to the Su ...

Mitchell, J.~G.; Cohen, C.~M.~S.; Eddy, T.~J.; Joyce, C.~J.; Rankin, J.~S.; Shen, M.~M.; De Nolfo, G.~A.; Christian, E.~R.; McComas, D.~J.; McNutt, R.~L.; Wiedenbeck, M.~E.; Schwadron, N.~A.; Hill, M.~E.; Labrador, A.~W.; Leske, R.~A.; Mewaldt, R.~A.; Mitchell, D.~G.; Szalay, J.~R.;

Published by: \apjs      Published on: feb

YEAR: 2023     DOI: 10.3847/1538-4365/aca4c8

Parker Data Used; solar flares; Solar energetic particles; Interplanetary physics; Solar particle emission; Solar coronal mass ejection shocks; 1496; 1491; 827; 1517; 1997

Does Turbulence along the Coronal Current Sheet Drive Ion Cyclotron Waves?

Evidence for the presence of ion cyclotron waves (ICWs), driven by turbulence, at the boundaries of the current sheet is reported in this paper. By exploiting the full potential of the joint observations performed by Parker Solar Probe and the Metis coronagraph on board Solar Orbiter, local measurements of the solar wind can be linked with the large-scale structures of the solar corona. The results suggest that the dynamics of the current sheet layers generates turbulence, which in turn creates a sufficiently strong temperat ...

Telloni, Daniele; Zank, Gary; Adhikari, Laxman; Zhao, Lingling; Susino, Roberto; Antonucci, Ester; Fineschi, Silvano; Stangalini, Marco; Grimani, Catia; Sorriso-Valvo, Luca; Verscharen, Daniel; Marino, Raffaele; Giordano, Silvio; Amicis, Raffaella; Perrone, Denise; Carbone, Francesco; Liberatore, Alessandro; Bruno, Roberto; Zimbardo, Gaetano; Romoli, Marco; Andretta, Vincenzo; Da Deppo, Vania; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Teriaca, Luca; Burtovoi, Aleksandr; De Leo, Yara; Jerse, Giovanna; Landini, Federico; Pancrazzi, Maurizio; Sasso, Clementina; Slemer, Alessandra;

Published by: \apj      Published on: feb

YEAR: 2023     DOI: 10.3847/1538-4357/acb693

Parker Data Used; Magnetohydrodynamics; interplanetary turbulence; Alfven waves; Solar corona; Solar coronal heating; Coronagraphic imaging; Solar wind; Heliosphere; Space plasmas; 1964; 830; 23; 1483; 1989; 313; 1534; 711; 1544; Astrophysics - Solar and Stellar Astrophysics

2022

Extracting the Heliographic Coordinates of Coronal Rays Using Images from WISPR/Parker Solar Probe

The Wide-field Imager for Solar Probe (WISPR) onboard Parker Solar Probe (PSP), observing in white light, has a fixed angular field of view, extending from 13.5$^\ensuremath\circ$ to 108$^\ensuremath\circ$ from the Sun and approximately 50$^\ensuremath\circ$ in the transverse direction. In January 2021, on its seventh orbit, PSP crossed the heliospheric current sheet (HCS) near perihelion at a distance of 20 solar radii. At this time, WISPR observed a broad band of highly variable solar wind and multiple coronal rays. For si ...

Liewer, P.~C.; Qiu, J.; Ark, F.; Penteado, P.; Stenborg, G.; Vourlidas, A.; Hall, J.~R.; Riley, P.;

Published by: \solphys      Published on: sep

YEAR: 2022     DOI: 10.1007/s11207-022-02058-6

Parker Data Used; Corona; Coronal streamers; Coronal rays; Astrophysics - Solar and Stellar Astrophysics

Observation of a Magnetic Switchback in the Solar Corona

Switchbacks are sudden, large radial deflections of the solar wind magnetic field, widely revealed in interplanetary space by the Parker Solar Probe. The switchbacks formation mechanism and sources are still unresolved, although candidate mechanisms include Alfv\ enic turbulence, shear-driven Kelvin-Helmholtz instabilities, interchange reconnection, and geometrical effects related to the Parker spiral. This Letter presents observations from the Metis coronagraph on board a Solar Orbiter of a single large propagating S-shape ...

Telloni, Daniele; Zank, Gary; Stangalini, Marco; Downs, Cooper; Liang, Haoming; Nakanotani, Masaru; Andretta, Vincenzo; Antonucci, Ester; Sorriso-Valvo, Luca; Adhikari, Laxman; Zhao, Lingling; Marino, Raffaele; Susino, Roberto; Grimani, Catia; Fabi, Michele; Amicis, Raffaella; Perrone, Denise; Bruno, Roberto; Carbone, Francesco; Mancuso, Salvatore; Romoli, Marco; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Teriaca, Luca; Frassati, Federica; Jerse, Giovanna; Landini, Federico; Pancrazzi, Maurizio; Russano, Giuliana; Sasso, Clementina; Biondo, Ruggero; Burtovoi, Aleksandr; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; De Leo, Yara; Giarrusso, Marina; Liberatore, Alessandro; Berghmans, David; Auchère, Fr\; Cuadrado, Regina; Chitta, Lakshmi; Harra, Louise; Kraaikamp, Emil; Long, David; Mandal, Sudip; Parenti, Susanna; Pelouze, Gabriel; Peter, Hardi; Rodriguez, Luciano; Schühle, Udo; Schwanitz, Conrad; Smith, Phil; Verbeeck, Cis; Zhukov, Andrei;

Published by: \apjl      Published on: sep

YEAR: 2022     DOI: 10.3847/2041-8213/ac8104

Parker Data Used; Solar corona; Solar magnetic reconnection; Solar magnetic fields; Magnetohydrodynamics; Solar Coronal Waves; Slow solar wind; 1483; 1504; 1503; 1964; 1995; 1873; Astrophysics - Solar and Stellar Astrophysics

Observation of a Magnetic Switchback in the Solar Corona

Switchbacks are sudden, large radial deflections of the solar wind magnetic field, widely revealed in interplanetary space by the Parker Solar Probe. The switchbacks formation mechanism and sources are still unresolved, although candidate mechanisms include Alfv\ enic turbulence, shear-driven Kelvin-Helmholtz instabilities, interchange reconnection, and geometrical effects related to the Parker spiral. This Letter presents observations from the Metis coronagraph on board a Solar Orbiter of a single large propagating S-shape ...

Telloni, Daniele; Zank, Gary; Stangalini, Marco; Downs, Cooper; Liang, Haoming; Nakanotani, Masaru; Andretta, Vincenzo; Antonucci, Ester; Sorriso-Valvo, Luca; Adhikari, Laxman; Zhao, Lingling; Marino, Raffaele; Susino, Roberto; Grimani, Catia; Fabi, Michele; Amicis, Raffaella; Perrone, Denise; Bruno, Roberto; Carbone, Francesco; Mancuso, Salvatore; Romoli, Marco; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Teriaca, Luca; Frassati, Federica; Jerse, Giovanna; Landini, Federico; Pancrazzi, Maurizio; Russano, Giuliana; Sasso, Clementina; Biondo, Ruggero; Burtovoi, Aleksandr; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; De Leo, Yara; Giarrusso, Marina; Liberatore, Alessandro; Berghmans, David; Auchère, Fr\; Cuadrado, Regina; Chitta, Lakshmi; Harra, Louise; Kraaikamp, Emil; Long, David; Mandal, Sudip; Parenti, Susanna; Pelouze, Gabriel; Peter, Hardi; Rodriguez, Luciano; Schühle, Udo; Schwanitz, Conrad; Smith, Phil; Verbeeck, Cis; Zhukov, Andrei;

Published by: \apjl      Published on: sep

YEAR: 2022     DOI: 10.3847/2041-8213/ac8104

Parker Data Used; Solar corona; Solar magnetic reconnection; Solar magnetic fields; Magnetohydrodynamics; Solar Coronal Waves; Slow solar wind; 1483; 1504; 1503; 1964; 1995; 1873; Astrophysics - Solar and Stellar Astrophysics

Observation of a Magnetic Switchback in the Solar Corona

Switchbacks are sudden, large radial deflections of the solar wind magnetic field, widely revealed in interplanetary space by the Parker Solar Probe. The switchbacks formation mechanism and sources are still unresolved, although candidate mechanisms include Alfv\ enic turbulence, shear-driven Kelvin-Helmholtz instabilities, interchange reconnection, and geometrical effects related to the Parker spiral. This Letter presents observations from the Metis coronagraph on board a Solar Orbiter of a single large propagating S-shape ...

Telloni, Daniele; Zank, Gary; Stangalini, Marco; Downs, Cooper; Liang, Haoming; Nakanotani, Masaru; Andretta, Vincenzo; Antonucci, Ester; Sorriso-Valvo, Luca; Adhikari, Laxman; Zhao, Lingling; Marino, Raffaele; Susino, Roberto; Grimani, Catia; Fabi, Michele; Amicis, Raffaella; Perrone, Denise; Bruno, Roberto; Carbone, Francesco; Mancuso, Salvatore; Romoli, Marco; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Teriaca, Luca; Frassati, Federica; Jerse, Giovanna; Landini, Federico; Pancrazzi, Maurizio; Russano, Giuliana; Sasso, Clementina; Biondo, Ruggero; Burtovoi, Aleksandr; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; De Leo, Yara; Giarrusso, Marina; Liberatore, Alessandro; Berghmans, David; Auchère, Fr\; Cuadrado, Regina; Chitta, Lakshmi; Harra, Louise; Kraaikamp, Emil; Long, David; Mandal, Sudip; Parenti, Susanna; Pelouze, Gabriel; Peter, Hardi; Rodriguez, Luciano; Schühle, Udo; Schwanitz, Conrad; Smith, Phil; Verbeeck, Cis; Zhukov, Andrei;

Published by: \apjl      Published on: sep

YEAR: 2022     DOI: 10.3847/2041-8213/ac8104

Parker Data Used; Solar corona; Solar magnetic reconnection; Solar magnetic fields; Magnetohydrodynamics; Solar Coronal Waves; Slow solar wind; 1483; 1504; 1503; 1964; 1995; 1873; Astrophysics - Solar and Stellar Astrophysics

Switchbacks in the Young Solar Wind: Electron Evolution Observed inside Switchbacks between 0.125 au and 0.25 au

Switchbacks are localized deviations from the nominal Parker spiral field in the solar wind. In this study, we investigate the electron distributions inside switchbacks, focusing primarily on the suprathermal (halo and strahl) populations. We explore electron parameters in relation to the angle of rotation of the magnetic field from radial to determine whether electron distributions observed within switchbacks have any differences from those outside of switchbacks. Our observations reveal several trends in the suprathermal e ...

Nair, Raaman; Halekas, Jasper; Whittlesey, Phyllis; Larson, Davin; Livi, Roberto; Berthomier, Matthieu; Kasper, Justin; Case, Anthony; Stevens, Michael; Bale, Stuart; MacDowall, Robert; Pulupa, Marc;

Published by: \apj      Published on: sep

YEAR: 2022     DOI: 10.3847/1538-4357/ac88c4

Parker Data Used; Solar wind; Space plasmas; Solar corona; Solar magnetic fields; Solar Physics; 1534; 1544; 1483; 1503; 1476

The Radial Evolution of the Solar Wind as Organized by Electron Distribution Parameters

We utilize observations from the Parker Solar Probe (PSP) to study the radial evolution of the solar wind in the inner heliosphere. We analyze electron velocity distribution functions observed by the Solar Wind Electrons, Alphas, and Protons suite to estimate the coronal electron temperature and the local electric potential in the solar wind. From the latter value and the local flow speed, we compute the asymptotic solar wind speed. We group the PSP observations by asymptotic speed, and characterize the radial evolution of t ...

Halekas, J.~S.; Whittlesey, P.; Larson, D.~E.; Maksimovic, M.; Livi, R.; Berthomier, M.; Kasper, J.~C.; Case, A.~W.; Stevens, M.~L.; Bale, S.~D.; MacDowall, R.~J.; Pulupa, M.~P.;

Published by: \apj      Published on: sep

YEAR: 2022     DOI: 10.3847/1538-4357/ac85b8

Parker Data Used; Solar wind; Slow solar wind; Fast solar wind; 1534; 1873; 1872; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Observation and Modeling of the Solar Wind Turbulence Evolution in the Sub-Mercury Inner Heliosphere

Telloni, Daniele; Adhikari, Laxman; Zank, Gary; Hadid, Lina; anchez-Cano, Beatriz; Sorriso-Valvo, Luca; Zhao, Lingling; Panasenco, Olga; Shi, Chen; Velli, Marco; Susino, Roberto; Verscharen, Daniel; Milillo, Anna; Alberti, Tommaso; Narita, Yasuhito; Verdini, Andrea; Grimani, Catia; Bruno, Roberto; Amicis, Raffaella; Perrone, Denise; Marino, Raffaele; Carbone, Francesco; Califano, Francesco; Malara, Francesco; Stawarz, Julia; Laker, Ronan; Liberatore, Alessandro; Bale, Stuart; Kasper, Justin; Heyner, Daniel; de Wit, Thierry; Goetz, Keith; Harvey, Peter; MacDowall, Robert; Malaspina, David; Pulupa, Marc; Case, Anthony; Korreck, Kelly; Larson, Davin; Livi, Roberto; Stevens, Michael; Whittlesey, Phyllis; Auster, Hans-Ulrich; Richter, Ingo;

Published by: \apjl      Published on: oct

YEAR: 2022     DOI: 10.3847/2041-8213/ac9624

Parker Data Used; Magnetohydrodynamics; Alfven waves; Space plasmas; interplanetary turbulence; Heliosphere; Solar wind; 1964; 23; 1544; 830; 711; 1534

Observations of Quiescent Solar Wind Regions with Near-f $_ce$ Wave Activity

In situ measurements in the near-Sun solar wind from the Parker Solar Probe have revealed the existence of quiescent solar wind regions: extended regions of solar wind with low-amplitude turbulent magnetic field fluctuations compared to adjacent regions. Identified through the study of harmonic waves near the electron cyclotron frequency (f $_ce$), these quiescent regions are shown to host a variety of plasma waves. The near-f $_ce$ harmonic waves are observed exclusively in quiescent regions, and as such, they can be used a ...

Short, Benjamin; Malaspina, David; Halekas, Jasper; Romeo, Orlando; Verniero, J.~L.; Finley, Adam; Kasper, Justin; Rahmati, Ali; Bale, Stuart; Bonnell, John; Case, Anthony; de Wit, Thierry; Goetz, Keith; Goodrich, Katherine; Harvey, Peter; Korreck, Kelly; Larson, Davin; Livi, Roberto; MacDowall, Robert; Pulupa, Marc; Stevens, Michael; Whittlesey, Phyllis;

Published by: \apj      Published on: nov

YEAR: 2022     DOI: 10.3847/1538-4357/ac97e4

Parker Data Used; Solar wind; interplanetary turbulence; Space plasmas; Solar magnetic fields; Heliosphere; 1534; 830; 1544; 1503; 711

Parker Solar Probe Observations of Solar Wind Energetic Proton Beams Produced by Magnetic Reconnection in the Near-Sun Heliospheric Current Sheet

We report observations of reconnection exhausts in the Heliospheric Current Sheet (HCS) during Parker Solar Probe Encounters 08 and 07, at 16 R$_s$ and 20 R$_s$, respectively. Heliospheric current sheet (HCS) reconnection accelerated protons to almost twice the solar wind speed and increased the proton core energy by a factor of \ensuremath\sim3, due to the Alfv\ en speed being comparable to the solar wind flow speed at these near-Sun distances. Furthermore, protons were energized to super-thermal energies. During E08, energ ...

Phan, T.~D.; Verniero, J.~L.; Larson, D.; Lavraud, B.; Drake, J.~F.; Oieroset, M.; Eastwood, J.~P.; Bale, S.~D.; Livi, R.; Halekas, J.~S.; Whittlesey, P.~L.; Rahmati, A.; Stansby, D.; Pulupa, M.; MacDowall, R.~J.; Szabo, P.~A.; Koval, A.; Desai, M.; Fuselier, S.~A.; Velli, M.; Hesse, M.; Pyakurel, P.~S.; Maheshwari, K.; Kasper, J.~C.; Stevens, J.~M.; Case, A.~W.; Raouafi, N.~E.;

Published by: \grl      Published on: may

YEAR: 2022     DOI: 10.1029/2021GL096986

Parker Data Used; magnetic reconnection; Particle acceleration; Solar wind; parker solar probe; heliospheric current sheet

Langmuir-Slow Extraordinary Mode Magnetic Signature Observations with Parker Solar Probe

Radio emission from interplanetary shocks, planetary foreshocks, and some solar flares occurs in the so-called plasma emission framework. The generally accepted scenario begins with electrostatic Langmuir waves that are driven by a suprathermal electron beam on the Landau resonance. These Langmuir waves then mode-convert to freely propagating electromagnetic emissions at the local plasma frequency f $_ pe $ and/or its harmonic 2f $_ pe $. However, the details of the physics of mode conversion are unclear, and so far the ...

Larosa, A.; de Wit, Dudok; Krasnoselskikh, V.; Bale, S.~D.; Agapitov, O.; Bonnell, J.; Froment, C.; Goetz, K.; Harvey, P.; Halekas, J.; Kretzschmar, M.; MacDowall, R.; Malaspina, David; Moncuquet, M.; Niehof, J.; Pulupa, M.; Revillet, C.;

Published by: \apj      Published on: mar

YEAR: 2022     DOI: 10.3847/1538-4357/ac4e85

Parker Data Used; Solar wind; Plasma physics; Space plasmas; 1534; 2089; 1544

Suprathermal Ion Energy Spectra and Anisotropies near the Heliospheric Current Sheet Crossing Observed by the Parker Solar Probe during Encounter 7

We present observations of \ensuremath\gtrsim10-100 keV nucleon$^-1$ suprathermal (ST) H, He, O, and Fe ions associated with crossings of the heliospheric current sheet (HCS) at radial distances of <0.1 au from the Sun. Our key findings are as follows: (1) very few heavy ions are detected during the first full crossing, the heavy-ion intensities are reduced during the second partial crossing and peak just after the second crossing; (2) ion arrival times exhibit no velocity dispersion; (3) He pitch-angle distributions track t ...

Desai, M.~I.; Mitchell, D.~G.; McComas, D.~J.; Drake, J.~F.; Phan, T.; Szalay, J.~R.; Roelof, E.~C.; Giacalone, J.; Hill, M.~E.; Christian, E.~R.; Schwadron, N.~A.; McNutt, R.~L.; Wiedenbeck, M.~E.; Joyce, C.; Cohen, C.~M.~S.; Davis, A.~J.; Krimigis, S.~M.; Leske, R.~A.; Matthaeus, W.~H.; Malandraki, O.; Mewaldt, R.~A.; Labrador, A.; Stone, E.~C.; Bale, S.~D.; Verniero, J.; Rahmati, A.; Whittlesey, P.; Livi, R.; Larson, D.; Pulupa, M.; MacDowall, R.~J.; Niehof, J.~T.; Kasper, J.~C.; Horbury, T.~S.;

Published by: \apj      Published on: mar

YEAR: 2022     DOI: 10.3847/1538-4357/ac4961

Parker Data Used; The Sun; Solar magnetic reconnection; Interplanetary particle acceleration; interplanetary magnetic fields; Heliosphere; 1693; 1504; 826; 824; 711; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Suprathermal Ion Energy Spectra and Anisotropies near the Heliospheric Current Sheet Crossing Observed by the Parker Solar Probe during Encounter 7

We present observations of \ensuremath\gtrsim10-100 keV nucleon$^-1$ suprathermal (ST) H, He, O, and Fe ions associated with crossings of the heliospheric current sheet (HCS) at radial distances of <0.1 au from the Sun. Our key findings are as follows: (1) very few heavy ions are detected during the first full crossing, the heavy-ion intensities are reduced during the second partial crossing and peak just after the second crossing; (2) ion arrival times exhibit no velocity dispersion; (3) He pitch-angle distributions track t ...

Desai, M.~I.; Mitchell, D.~G.; McComas, D.~J.; Drake, J.~F.; Phan, T.; Szalay, J.~R.; Roelof, E.~C.; Giacalone, J.; Hill, M.~E.; Christian, E.~R.; Schwadron, N.~A.; McNutt, R.~L.; Wiedenbeck, M.~E.; Joyce, C.; Cohen, C.~M.~S.; Davis, A.~J.; Krimigis, S.~M.; Leske, R.~A.; Matthaeus, W.~H.; Malandraki, O.; Mewaldt, R.~A.; Labrador, A.; Stone, E.~C.; Bale, S.~D.; Verniero, J.; Rahmati, A.; Whittlesey, P.; Livi, R.; Larson, D.; Pulupa, M.; MacDowall, R.~J.; Niehof, J.~T.; Kasper, J.~C.; Horbury, T.~S.;

Published by: \apj      Published on: mar

YEAR: 2022     DOI: 10.3847/1538-4357/ac4961

Parker Data Used; The Sun; Solar magnetic reconnection; Interplanetary particle acceleration; interplanetary magnetic fields; Heliosphere; 1693; 1504; 826; 824; 711; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

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

Erratum: The Role of Alfv\ en Wave Dynamics on the Large-scale Properties of the Solar Wind: Comparing an MHD Simulation with Parker Solar Probe E1 data (2020, ApJS, 246, 24)

eville, Victor; Velli, Marco; Panasenco, Olga; Tenerani, Anna; Shi, Chen; Badman, Samuel; Bale, Stuart; Kasper, J.~C.; Stevens, Michael; Korreck, Kelly; Bonnell, J.~W.; Case, Anthony; de Wit, Thierry; Goetz, Keith; Harvey, Peter; Larson, Davin; Livi, Roberto; Malaspina, David; MacDowall, Robert; Pulupa, Marc; Whittlesey, Phyllis;

Published by: \apjs      Published on: mar

YEAR: 2022     DOI: 10.3847/1538-4365/ac532e

Parker Data Used

Using the Sun to Measure the Primary Beam Response of the Canadian Hydrogen Intensity Mapping Experiment

Amiri, Mandana; Bandura, Kevin; Boskovic, Anja; Cliche, Jean-Fran\ccois; Deng, Meiling; Dobbs, Matt; Fandino, Mateus; Foreman, Simon; Halpern, Mark; Hill, Alex; Hinshaw, Gary; Höfer, Carolin; Kania, Joseph; Landecker, T.~L.; MacEachern, Joshua; Masui, Kiyoshi; Mena-Parra, Juan; Newburgh, Laura; Ordog, Anna; Pinsonneault-Marotte, Tristan; Polzin, Ava; Reda, Alex; Shaw, Richard; Siegel, Seth; Singh, Saurabh; Vanderlinde, Keith; Wang, Haochen; Willis, James; Wulf, Dallas; Collaboration, CHIME;

Published by: \apj      Published on: jun

YEAR: 2022     DOI: 10.3847/1538-4357/ac6b9f

Parker Data Used; Radio telescopes; Interferometers; Calibration; Quiet Sun; 1360; 805; 2179; 1322; Astrophysics - Instrumentation and Methods for Astrophysics; Astrophysics - Cosmology and Nongalactic Astrophysics

Using the Sun to Measure the Primary Beam Response of the Canadian Hydrogen Intensity Mapping Experiment

Amiri, Mandana; Bandura, Kevin; Boskovic, Anja; Cliche, Jean-Fran\ccois; Deng, Meiling; Dobbs, Matt; Fandino, Mateus; Foreman, Simon; Halpern, Mark; Hill, Alex; Hinshaw, Gary; Höfer, Carolin; Kania, Joseph; Landecker, T.~L.; MacEachern, Joshua; Masui, Kiyoshi; Mena-Parra, Juan; Newburgh, Laura; Ordog, Anna; Pinsonneault-Marotte, Tristan; Polzin, Ava; Reda, Alex; Shaw, Richard; Siegel, Seth; Singh, Saurabh; Vanderlinde, Keith; Wang, Haochen; Willis, James; Wulf, Dallas; Collaboration, CHIME;

Published by: \apj      Published on: jun

YEAR: 2022     DOI: 10.3847/1538-4357/ac6b9f

Parker Data Used; Radio telescopes; Interferometers; Calibration; Quiet Sun; 1360; 805; 2179; 1322; Astrophysics - Instrumentation and Methods for Astrophysics; Astrophysics - Cosmology and Nongalactic Astrophysics

First Measurements of Jovian Electrons by Parker Solar Probe/IS\ensuremath\odotIS within 0.5 au of the Sun

Energetic electrons of Jovian origin have been observed for decades throughout the heliosphere, as far as 11 au, and as close as 0.5 au, from the Sun. The treatment of Jupiter as a continuously emitting point source of energetic electrons has made Jovian electrons a valuable tool in the study of energetic electron transport within the heliosphere. We present observations of Jovian electrons measured by the EPI-Hi instrument in the Integrated Science Investigation of the Sun instrument suite on Parker Solar Probe at distances ...

Mitchell, J.~G.; Leske, R.~A.; De Nolfo, G.~A.; Christian, E.~R.; Wiedenbeck, M.~E.; McComas, D.~J.; Cohen, C.~M.~S.; Cummings, A.~C.; Hill, M.~E.; Labrador, A.~W.; Mays, M.~L.; McNutt, R.~L.; Mewaldt, R.~A.; Mitchell, D.~G.; Odstrcil, D.; Schwadron, N.~A.; Stone, E.~C.; Szalay, J.~R.;

Published by: \apj      Published on: jul

YEAR: 2022     DOI: 10.3847/1538-4357/ac75ce

Parker Data Used; Interplanetary particle acceleration; Solar energetic particles; Corotating streams; interplanetary magnetic fields; Heliosphere; 826; 1491; 314; 824; 711

Anomalous Cosmic-Ray Oxygen Observations into 0.1 au

The Integrated Science Investigation of the Sun instrument suite onboard NASA s Parker Solar Probe mission continues to measure solar energetic particles and cosmic rays closer to the Sun than ever before. Here, we present the first observations of cosmic rays into 0.1 au (21.5 solar radii), focusing specifically on oxygen from \raisebox-0.5ex\textasciitilde2018.7 to \raisebox-0.5ex\textasciitilde2021.2. Our energy spectra reveal an anomalous cosmic-ray-dominated profile that is comparable to that at 1 au, across multiple so ...

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

Published by: \apj      Published on: jan

YEAR: 2022     DOI: 10.3847/1538-4357/ac348f

Parker Data Used; 567; 329; 1487; 1193; 1503; 1476; 1534; 96; 1544; 711; 1322; 830; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Parker Solar Probe Evidence for the Absence of Whistlers Close to the Sun to Scatter Strahl and to Regulate Heat Flux

Using the Parker Solar Probe FIELDS bandpass-filter data and SWEAP electron data from Encounters 1 through 9, we show statistical properties of narrowband whistlers from \raisebox-0.5ex\textasciitilde16 R $_s$ to \raisebox-0.5ex\textasciitilde130 R $_s$, and compare wave occurrence to electron properties including beta, temperature anisotropy, and heat flux. Whistlers are very rarely observed inside \raisebox-0.5ex\textasciitilde28 R $_s$ (\raisebox-0.5ex\textasciitilde0.13 au). Outside 28 R $_s$, they occur within a narrow ...

Cattell, C.; Breneman, A.; Dombeck, J.; Hanson, E.; Johnson, M.; Halekas, J.; Bale, S.~D.; de Wit, Dudok; Goetz, K.; Goodrich, K.; Malaspina, D.; Pulupa, M.; Case, T.; Kasper, J.~C.; Larson, D.; Stevens, M.; Whittlesey, P.;

Published by: \apjl      Published on: jan

YEAR: 2022     DOI: 10.3847/2041-8213/ac4015

Parker Data Used; 1534; 1261; 1544; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Improving the Alfv\ en Wave Solar Atmosphere Model Based on Parker Solar Probe Data

In van der Holst et al. (2019), we modeled the solar corona and inner heliosphere of the first encounter of NASA s Parker Solar Probe (PSP) using the Alfv\ en Wave Solar atmosphere Model (AWSoM) with Air Force Data Assimilative Photospheric flux Transport- Global Oscillation Network Group magnetograms, and made predictions of the state of the solar wind plasma for the first encounter. AWSoM uses low-frequency Alfv\ en wave turbulence to address the coronal heating and acceleration. Here, we revise our simulations, by introdu ...

van der Holst, B.; Huang, J.; Sachdeva, N.; Kasper, J.~C.; Manchester, W.~B.; Borovikov, D.; Chandran, B.~D.~G.; Case, A.~W.; Korreck, K.~E.; Larson, D.; Livi, R.; Stevens, M.; Whittlesey, P.; Bale, S.~D.; Pulupa, M.; Malaspina, D.~M.; Bonnell, J.~W.; Harvey, P.~R.; Goetz, K.; MacDowall, R.~J.;

Published by: \apj      Published on: feb

YEAR: 2022     DOI: 10.3847/1538-4357/ac3d34

Parker Data Used; 1534; 1964

Multiband Electrostatic Waves below and above the Electron Cyclotron Frequency in the Near-Sun Solar Wind

Using the Parker Solar Probe measurements, this Letter reports two new types of multiband electrostatic waves in and near the heliospheric current sheet. They are classified into the f < f $_ce$ and f > f $_ce$ multiband electrostatic waves, in which most (or all) of the bands in the former type are lower than f $_ce$, and all of the bands in the latter type are higher than f $_ce$, where f and f $_ce$ denotes the wave frequency and the electron cyclotron frequency, respectively. This Letter also exhibits observational evide ...

Shi, Chen; Zhao, Jinsong; Malaspina, David; Bale, Stuart; Dong, Xiangcheng; Wang, Tieyan; Wu, Dejin;

Published by: \apjl      Published on: feb

YEAR: 2022     DOI: 10.3847/2041-8213/ac4d37

1544; 2089; 1534

Flux Rope Merging and the Structure of Switchbacks in the Solar Wind

A major discovery of Parker Solar Probe (PSP) was the presence of large numbers of localized increases in the radial solar wind speed and associated sharp deflections of the magnetic field- switchbacks (SBs). A possible generation mechanism of SBs is through magnetic reconnection between open and closed magnetic flux near the solar surface, termed interchange reconnection, that leads to the ejection of flux ropes (FRs) into the solar wind. Observations also suggest that SBs undergo merging, consistent with an FR picture of t ...

Agapitov, O.~V.; Drake, J.~F.; Swisdak, M.; Bale, S.~D.; Horbury, T.~S.; Kasper, J.~C.; MacDowall, R.~J.; Mozer, F.~S.; Phan, T.~D.; Pulupa, M.; Raouafi, N.~E.; Velli, M.;

Published by: \apj      Published on: feb

YEAR: 2022     DOI: 10.3847/1538-4357/ac4016

Parker Data Used; 711; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

Sub-Alfv\ enic Solar Wind Observed by the Parker Solar Probe: Characterization of Turbulence, Anisotropy, Intermittency, and Switchback

In the lower solar coronal regions where the magnetic field is dominant, the Alfv\ en speed is much higher than the wind speed. In contrast, the near-Earth solar wind is strongly super- Alfv\ enic, i.e., the wind speed greatly exceeds the Alfv\ en speed. The transition between these regimes is classically described as the Alfv\ en point but may in fact occur in a distributed Alfv\ en critical region. NASA s Parker Solar Probe (PSP) mission has entered this region, as it follows a series of orbits that gradually approach ...

Bandyopadhyay, R.; Matthaeus, W.~H.; McComas, D.~J.; Chhiber, R.; Usmanov, A.~V.; Huang, J.; Livi, R.; Larson, D.~E.; Kasper, J.~C.; Case, A.~W.; Stevens, M.; Whittlesey, P.; Romeo, O.~M.; Bale, S.~D.; Bonnell, J.~W.; de Wit, Dudok; Goetz, K.; Harvey, P.~R.; MacDowall, R.~J.; Malaspina, D.~M.; Pulupa, M.;

Published by: \apjl      Published on: feb

YEAR: 2022     DOI: 10.3847/2041-8213/ac4a5c

Parker Data Used; 1544; 1534; 824; 23; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics

Evolution of coronal hole solar wind in the inner heliosphere: Combined observations by Solar Orbiter and Parker Solar Probe

We study the radial evolution, from 0.1 AU to the Earth, of a homogeneous recurrent fast wind, coming from the same source on the Sun, by means of new measurements by both Solar Orbiter and Parker Solar Probe. With respect to previous radial studies, we extend, for the first time, the analysis of a recurrent fast stream at distances never reached prior to the Parker Solar Probe mission. Confirming previous findings, the observations show: (i) a decrease in the radial trend of the proton density that is slower than the one ex ...

Perrone, D.; Perri, S.; Bruno, R.; Stansby, D.; Amicis, R.; Jagarlamudi, V.~K.; Laker, R.; Toledo-Redondo, S.; Stawarz, J.~E.; Telloni, D.; De Marco, R.; Owen, C.~J.; Raines, J.~M.; Settino, A.; Lavraud, B.; Maksimovic, M.; Vaivads, A.; Phan, T.~D.; Fargette, N.; Louarn, P.; Zouganelis, I.;

Published by: \aap      Published on: dec

YEAR: 2022     DOI: 10.1051/0004-6361/202243989

Parker Data Used; plasmas; turbulence; Solar wind

Connecting Solar Orbiter remote-sensing observations and Parker Solar Probe in situ measurements with a numerical MHD reconstruction of the Parker spiral

As a key feature, NASA s Parker Solar Probe (PSP) and ESA-NASA s Solar Orbiter (SO) missions cooperate to trace solar wind and transients from their sources on the Sun to the inner interplanetary space. The goal of this work is to accurately reconstruct the interplanetary Parker spiral and the connection between coronal features observed remotely by the Metis coronagraph on-board SO and those detected in situ by PSP at the time of the first PSP-SO quadrature of January 2021. We use the Reverse in situ and MHD Approach (RIMAP ...

Biondo, Ruggero; Bemporad, Alessandro; Pagano, Paolo; Telloni, Daniele; Reale, Fabio; Romoli, Marco; Andretta, Vincenzo; Antonucci, Ester; Da Deppo, Vania; De Leo, Yara; Fineschi, Silvano; Heinzel, Petr; Moses, Daniel; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Stangalini, Marco; Teriaca, Luca; Landini, Federico; Sasso, Clementina; Susino, Roberto; Jerse, Giovanna; Uslenghi, Michela; Pancrazzi, Maurizio;

Published by: \aap      Published on: dec

YEAR: 2022     DOI: 10.1051/0004-6361/202244535

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

ICARUS: in-situ studies of the solar corona beyond Parker Solar Probe and Solar Orbiter

The primary scientific goal of ICARUS (Investigation of Coronal AcceleRation and heating of solar wind Up to the Sun), a mother- daughter satellite mission, proposed in response to the ESA Voyage 2050 Call, will be to determine how the magnetic field and plasma dynamics in the outer solar atmosphere give rise to the corona, the solar wind, and the entire heliosphere. Reaching this goal will be a Rosetta Stone step, with results that are broadly applicable within the fields of space plasma physics and astrophysics. Within ...

Krasnoselskikh, Vladimir; Tsurutani, Bruce; de Wit, Thierry; Walker, Simon; Balikhin, Michael; Balat-Pichelin, Marianne; Velli, Marco; Bale, Stuart; Maksimovic, Milan; Agapitov, Oleksiy; Baumjohann, Wolfgang; Berthomier, Matthieu; Bruno, Roberto; Cranmer, Steven; De Pontieu, Bart; Meneses, Domingos; Eastwood, Jonathan; Erdélyi, Robertus; Ergun, Robert; Fedun, Viktor; Ganushkina, Natalia; Greco, Antonella; Harra, Louise; Henri, Pierre; Horbury, Timothy; Hudson, Hugh; Kasper, Justin; Khotyaintsev, Yuri; Kretzschmar, Matthieu; Krucker, Säm; Kucharek, Harald; Langevin, Yves; Lavraud, Beno\^\it; Lebreton, Jean-Pierre; Lepri, Susan; Liemohn, Michael; Louarn, Philippe; Moebius, Eberhard; Mozer, Forrest; Němeček, Zdeněk; Panasenco, Olga; Retino, Alessandro; Safrankova, Jana; Scudder, Jack; Servidio, Sergio; Sorriso-Valvo, Luca; Sou\vcek, Jan; Szabo, Adam; Vaivads, Andris; Vekstein, Grigory; Vörös, Zoltan; Zaqarashvili, Teimuraz; Zimbardo, Gaetano; Fedorov, Andrei;

Published by: Experimental Astronomy      Published on: dec

YEAR: 2022     DOI: 10.1007/s10686-022-09878-1

Parker Data Used; Solar wind; Heliophysics; Solar atmosphere; Space mission

ICARUS: in-situ studies of the solar corona beyond Parker Solar Probe and Solar Orbiter

The primary scientific goal of ICARUS (Investigation of Coronal AcceleRation and heating of solar wind Up to the Sun), a mother- daughter satellite mission, proposed in response to the ESA Voyage 2050 Call, will be to determine how the magnetic field and plasma dynamics in the outer solar atmosphere give rise to the corona, the solar wind, and the entire heliosphere. Reaching this goal will be a Rosetta Stone step, with results that are broadly applicable within the fields of space plasma physics and astrophysics. Within ...

Krasnoselskikh, Vladimir; Tsurutani, Bruce; de Wit, Thierry; Walker, Simon; Balikhin, Michael; Balat-Pichelin, Marianne; Velli, Marco; Bale, Stuart; Maksimovic, Milan; Agapitov, Oleksiy; Baumjohann, Wolfgang; Berthomier, Matthieu; Bruno, Roberto; Cranmer, Steven; De Pontieu, Bart; Meneses, Domingos; Eastwood, Jonathan; Erdélyi, Robertus; Ergun, Robert; Fedun, Viktor; Ganushkina, Natalia; Greco, Antonella; Harra, Louise; Henri, Pierre; Horbury, Timothy; Hudson, Hugh; Kasper, Justin; Khotyaintsev, Yuri; Kretzschmar, Matthieu; Krucker, Säm; Kucharek, Harald; Langevin, Yves; Lavraud, Beno\^\it; Lebreton, Jean-Pierre; Lepri, Susan; Liemohn, Michael; Louarn, Philippe; Moebius, Eberhard; Mozer, Forrest; Němeček, Zdeněk; Panasenco, Olga; Retino, Alessandro; Safrankova, Jana; Scudder, Jack; Servidio, Sergio; Sorriso-Valvo, Luca; Sou\vcek, Jan; Szabo, Adam; Vaivads, Andris; Vekstein, Grigory; Vörös, Zoltan; Zaqarashvili, Teimuraz; Zimbardo, Gaetano; Fedorov, Andrei;

Published by: Experimental Astronomy      Published on: dec

YEAR: 2022     DOI: 10.1007/s10686-022-09878-1

Parker Data Used; Solar wind; Heliophysics; Solar atmosphere; Space mission

Magnetic Field Intermittency in the Solar Wind: Parker Solar Probe and SolO Observations Ranging from the Alfv\ en Region up to 1 AU

Parker Solar Probe (PSP) and SolO data are utilized to investigate magnetic field intermittency in the solar wind (SW). Small-scale intermittency (20-100 d $_ i $) is observed to radially strengthen when methods relying on higher-order moments are considered (SF$_ q $; SDK), but no clear trend is observed at larger scales. However, lower-order moment-based methods (e.g., partial variance of increments; PVI) are deemed more appropriate for examining the evolution of the bulk of coherent structures (CSs), PVI \ensuremath\geq 3 ...

Sioulas, Nikos; Huang, Zesen; Velli, Marco; Chhiber, Rohit; Cuesta, Manuel; Shi, Chen; Matthaeus, William; Bandyopadhyay, Riddhi; Vlahos, Loukas; Bowen, Trevor; Qudsi, Ramiz; Bale, Stuart; Owen, Christopher; Louarn, P.; Fedorov, A.; c, Milan; Stevens, Michael; Case, Anthony; Kasper, Justin; Larson, Davin; Pulupa, Marc; Livi, Roberto;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac7aa2

Parker Data Used; Solar wind; interplanetary turbulence; Magnetohydrodynamics; Space plasmas; Plasma astrophysics; Solar Physics; 1534; 830; 1964; 1544; 1261; 1476; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

An orbital model for the Parker Solar Probe mission: Classical vs relativistic effects

The Parker Solar Probe is a spacecraft designed to study the Sun s corona from inside. It is providing unprecedented detailed information on the density and composition of the Sun s atmosphere as well as the electromagnetic fields, plasma and solar wind. On the other hand, this probe is to achieve record speeds in the International Celestial Reference Frame (ICRF) never obtained before in any previous mission. It is expected that in the last perihelion of 2025 it would move at 0.064 \% of the speed of light with respect to t ...

an, Sebasti\; Acedo, L.; Mora\~no, J.~A.;

Published by: Advances in Space Research      Published on: aug

YEAR: 2022     DOI: 10.1016/j.asr.2022.05.037

Parker Data Used; parker solar probe; Orbital models; Tests of general relativity; Post-Newtonian approximation

Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe-Metis/Solar Orbiter Observations

The solar wind measured in situ by Parker Solar Probe in the very inner heliosphere is studied in combination with the remote-sensing observation of the coronal source region provided by the METIS coronagraph aboard Solar Orbiter. The coronal outflows observed near the ecliptic by Metis on 2021 January 17 at 16:30 UT, between 3.5 and 6.3 R $_\ensuremath\odot$ above the eastern solar limb, can be associated with the streams sampled by PSP at 0.11 and 0.26 au from the Sun, in two time intervals almost 5 days apart. The two pla ...

Telloni, Daniele; Zank, Gary; Sorriso-Valvo, Luca; Amicis, Raffaella; Panasenco, Olga; Susino, Roberto; Bruno, Roberto; Perrone, Denise; Adhikari, Laxman; Liang, Haoming; Nakanotani, Masaru; Zhao, Lingling; Hadid, Lina; anchez-Cano, Beatriz; Verscharen, Daniel; Velli, Marco; Grimani, Catia; Marino, Raffaele; Carbone, Francesco; Mancuso, Salvatore; Biondo, Ruggero; Pagano, Paolo; Reale, Fabio; Bale, Stuart; Kasper, Justin; Case, Anthony; de Wit, Thierry; Goetz, Keith; Harvey, Peter; Korreck, Kelly; Larson, Davin; Livi, Roberto; MacDowall, Robert; Malaspina, David; Pulupa, Marc; Stevens, Michael; Whittlesey, Phyllis; Romoli, Marco; Andretta, Vincenzo; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Stangalini, Marco; Teriaca, Luca; Capobianco, Gerardo; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; De Leo, Yara; Fabi, Michele; Frassati, Federica; Frassetto, Fabio; Giordano, Silvio; Guglielmino, Salvo; Jerse, Giovanna; Landini, Federico; Liberatore, Alessandro; Magli, Enrico; Massone, Giuseppe; Messerotti, Mauro; Pancrazzi, Maurizio; Pelizzo, Maria; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Slemer, Alessandra; Straus, Thomas; Uslenghi, Michela; Volpicelli, Cosimo; Zangrilli, Luca; Zuppella, Paola; Abbo, Lucia; Auchère, Fr\; Cuadrado, Regina; Berlicki, Arkadiusz; Ciaravella, Angela; Lamy, Philippe; Lanzafame, Alessandro; Malvezzi, Marco; Nicolosi, Piergiorgio; o, Giuseppe; Peter, Hardi; Solanki, Sami; Strachan, Leonard; Tsinganos, Kanaris; Ventura, Rita; Vial, Jean-Claude; Woch, Joachim; Zimbardo, Gaetano;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac8103

Parker Data Used; H II regions; Alfven waves; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 694; 23; 1544; 830; 1483; 711; 1534

Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe-Metis/Solar Orbiter Observations

The solar wind measured in situ by Parker Solar Probe in the very inner heliosphere is studied in combination with the remote-sensing observation of the coronal source region provided by the METIS coronagraph aboard Solar Orbiter. The coronal outflows observed near the ecliptic by Metis on 2021 January 17 at 16:30 UT, between 3.5 and 6.3 R $_\ensuremath\odot$ above the eastern solar limb, can be associated with the streams sampled by PSP at 0.11 and 0.26 au from the Sun, in two time intervals almost 5 days apart. The two pla ...

Telloni, Daniele; Zank, Gary; Sorriso-Valvo, Luca; Amicis, Raffaella; Panasenco, Olga; Susino, Roberto; Bruno, Roberto; Perrone, Denise; Adhikari, Laxman; Liang, Haoming; Nakanotani, Masaru; Zhao, Lingling; Hadid, Lina; anchez-Cano, Beatriz; Verscharen, Daniel; Velli, Marco; Grimani, Catia; Marino, Raffaele; Carbone, Francesco; Mancuso, Salvatore; Biondo, Ruggero; Pagano, Paolo; Reale, Fabio; Bale, Stuart; Kasper, Justin; Case, Anthony; de Wit, Thierry; Goetz, Keith; Harvey, Peter; Korreck, Kelly; Larson, Davin; Livi, Roberto; MacDowall, Robert; Malaspina, David; Pulupa, Marc; Stevens, Michael; Whittlesey, Phyllis; Romoli, Marco; Andretta, Vincenzo; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Stangalini, Marco; Teriaca, Luca; Capobianco, Gerardo; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; De Leo, Yara; Fabi, Michele; Frassati, Federica; Frassetto, Fabio; Giordano, Silvio; Guglielmino, Salvo; Jerse, Giovanna; Landini, Federico; Liberatore, Alessandro; Magli, Enrico; Massone, Giuseppe; Messerotti, Mauro; Pancrazzi, Maurizio; Pelizzo, Maria; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Slemer, Alessandra; Straus, Thomas; Uslenghi, Michela; Volpicelli, Cosimo; Zangrilli, Luca; Zuppella, Paola; Abbo, Lucia; Auchère, Fr\; Cuadrado, Regina; Berlicki, Arkadiusz; Ciaravella, Angela; Lamy, Philippe; Lanzafame, Alessandro; Malvezzi, Marco; Nicolosi, Piergiorgio; o, Giuseppe; Peter, Hardi; Solanki, Sami; Strachan, Leonard; Tsinganos, Kanaris; Ventura, Rita; Vial, Jean-Claude; Woch, Joachim; Zimbardo, Gaetano;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac8103

Parker Data Used; H II regions; Alfven waves; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 694; 23; 1544; 830; 1483; 711; 1534

Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe-Metis/Solar Orbiter Observations

The solar wind measured in situ by Parker Solar Probe in the very inner heliosphere is studied in combination with the remote-sensing observation of the coronal source region provided by the METIS coronagraph aboard Solar Orbiter. The coronal outflows observed near the ecliptic by Metis on 2021 January 17 at 16:30 UT, between 3.5 and 6.3 R $_\ensuremath\odot$ above the eastern solar limb, can be associated with the streams sampled by PSP at 0.11 and 0.26 au from the Sun, in two time intervals almost 5 days apart. The two pla ...

Telloni, Daniele; Zank, Gary; Sorriso-Valvo, Luca; Amicis, Raffaella; Panasenco, Olga; Susino, Roberto; Bruno, Roberto; Perrone, Denise; Adhikari, Laxman; Liang, Haoming; Nakanotani, Masaru; Zhao, Lingling; Hadid, Lina; anchez-Cano, Beatriz; Verscharen, Daniel; Velli, Marco; Grimani, Catia; Marino, Raffaele; Carbone, Francesco; Mancuso, Salvatore; Biondo, Ruggero; Pagano, Paolo; Reale, Fabio; Bale, Stuart; Kasper, Justin; Case, Anthony; de Wit, Thierry; Goetz, Keith; Harvey, Peter; Korreck, Kelly; Larson, Davin; Livi, Roberto; MacDowall, Robert; Malaspina, David; Pulupa, Marc; Stevens, Michael; Whittlesey, Phyllis; Romoli, Marco; Andretta, Vincenzo; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Stangalini, Marco; Teriaca, Luca; Capobianco, Gerardo; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; De Leo, Yara; Fabi, Michele; Frassati, Federica; Frassetto, Fabio; Giordano, Silvio; Guglielmino, Salvo; Jerse, Giovanna; Landini, Federico; Liberatore, Alessandro; Magli, Enrico; Massone, Giuseppe; Messerotti, Mauro; Pancrazzi, Maurizio; Pelizzo, Maria; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Slemer, Alessandra; Straus, Thomas; Uslenghi, Michela; Volpicelli, Cosimo; Zangrilli, Luca; Zuppella, Paola; Abbo, Lucia; Auchère, Fr\; Cuadrado, Regina; Berlicki, Arkadiusz; Ciaravella, Angela; Lamy, Philippe; Lanzafame, Alessandro; Malvezzi, Marco; Nicolosi, Piergiorgio; o, Giuseppe; Peter, Hardi; Solanki, Sami; Strachan, Leonard; Tsinganos, Kanaris; Ventura, Rita; Vial, Jean-Claude; Woch, Joachim; Zimbardo, Gaetano;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac8103

Parker Data Used; H II regions; Alfven waves; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 694; 23; 1544; 830; 1483; 711; 1534

Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe-Metis/Solar Orbiter Observations

The solar wind measured in situ by Parker Solar Probe in the very inner heliosphere is studied in combination with the remote-sensing observation of the coronal source region provided by the METIS coronagraph aboard Solar Orbiter. The coronal outflows observed near the ecliptic by Metis on 2021 January 17 at 16:30 UT, between 3.5 and 6.3 R $_\ensuremath\odot$ above the eastern solar limb, can be associated with the streams sampled by PSP at 0.11 and 0.26 au from the Sun, in two time intervals almost 5 days apart. The two pla ...

Telloni, Daniele; Zank, Gary; Sorriso-Valvo, Luca; Amicis, Raffaella; Panasenco, Olga; Susino, Roberto; Bruno, Roberto; Perrone, Denise; Adhikari, Laxman; Liang, Haoming; Nakanotani, Masaru; Zhao, Lingling; Hadid, Lina; anchez-Cano, Beatriz; Verscharen, Daniel; Velli, Marco; Grimani, Catia; Marino, Raffaele; Carbone, Francesco; Mancuso, Salvatore; Biondo, Ruggero; Pagano, Paolo; Reale, Fabio; Bale, Stuart; Kasper, Justin; Case, Anthony; de Wit, Thierry; Goetz, Keith; Harvey, Peter; Korreck, Kelly; Larson, Davin; Livi, Roberto; MacDowall, Robert; Malaspina, David; Pulupa, Marc; Stevens, Michael; Whittlesey, Phyllis; Romoli, Marco; Andretta, Vincenzo; Da Deppo, Vania; Fineschi, Silvano; Heinzel, Petr; Moses, John; Naletto, Giampiero; Nicolini, Gianalfredo; Spadaro, Daniele; Stangalini, Marco; Teriaca, Luca; Capobianco, Gerardo; Capuano, Giuseppe; Casini, Chiara; Casti, Marta; Chioetto, Paolo; Corso, Alain; De Leo, Yara; Fabi, Michele; Frassati, Federica; Frassetto, Fabio; Giordano, Silvio; Guglielmino, Salvo; Jerse, Giovanna; Landini, Federico; Liberatore, Alessandro; Magli, Enrico; Massone, Giuseppe; Messerotti, Mauro; Pancrazzi, Maurizio; Pelizzo, Maria; Romano, Paolo; Sasso, Clementina; Schühle, Udo; Slemer, Alessandra; Straus, Thomas; Uslenghi, Michela; Volpicelli, Cosimo; Zangrilli, Luca; Zuppella, Paola; Abbo, Lucia; Auchère, Fr\; Cuadrado, Regina; Berlicki, Arkadiusz; Ciaravella, Angela; Lamy, Philippe; Lanzafame, Alessandro; Malvezzi, Marco; Nicolosi, Piergiorgio; o, Giuseppe; Peter, Hardi; Solanki, Sami; Strachan, Leonard; Tsinganos, Kanaris; Ventura, Rita; Vial, Jean-Claude; Woch, Joachim; Zimbardo, Gaetano;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac8103

Parker Data Used; H II regions; Alfven waves; Space plasmas; interplanetary turbulence; Solar corona; Heliosphere; Solar wind; 694; 23; 1544; 830; 1483; 711; 1534

Magnetic Field Dropouts and Associated Plasma Wave Emission near the Electron Plasma Frequency at Switchback Boundaries as Observed by the Parker Solar Probe

The first solar encounters by the Parker Solar Probe revealed the magnetic field to be dominated by short field reversals in the radial direction, referred to as switchbacks. While radial velocity and proton temperature were shown to increase inside the switchbacks, \ensuremath\midB\ensuremath\mid exhibits very brief dropouts only at the switchback boundaries. Brief intensifications in spectral density measurements near the electron plasma frequency, f $_pe$, were also observed at these boundaries, indicating the presenc ...

Rasca, Anthony; Farrell, William; Whittlesey, Phyllis; MacDowall, Robert; Bale, Stuart; Kasper, Justin;

Published by: \apj      Published on: aug

YEAR: 2022     DOI: 10.3847/1538-4357/ac80c3

Parker Data Used; Solar magnetic fields; Plasma physics; Solar wind; 1503; 2089; 1534



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