| 2023 |
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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| 2022 |
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 $. However, the details of the physics of mode conversion are unclear, and so far the ...
Larosa, A.; de Wit, Dudok; Krasnoselskikh, V.; Bale, S.~D.; Agapitov, O.; Bonnell, J.; Froment, C.; Goetz, K.; Harvey, P.; Halekas, J.; Kretzschmar, M.; MacDowall, R.; Malaspina, David; Moncuquet, M.; Niehof, J.; Pulupa, M.; Revillet, C.;
Published by: \apj Published on: mar
YEAR: 2022 DOI: 10.3847/1538-4357/ac4e85
Parker Data Used; Solar wind; Plasma physics; Space plasmas; 1534; 2089; 1544
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Suprathermal Ion Energy Spectra and Anisotropies near the Heliospheric Current Sheet Crossing Observed by the Parker Solar Probe during Encounter 7
We present observations of \ensuremath\gtrsim10-100 keV nucleon$^-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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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