| 2022 |
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CMEs and SEPs During November-December 2020: A Challenge for Real-Time Space Weather Forecasting
Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predictions has expanded to include impacts at other planets beyond Earth as well as spacecraft scattered throughout the heliosphere. In this sense, the scope of space weather science now encompasses the whole heliospheric system, and multipoint measurements of solar transients can provide useful insights and validations for prediction models. In this w ...
Palmerio, Erika; Lee, Christina; Mays, Leila; Luhmann, Janet; Lario, David; anchez-Cano, Beatriz; Richardson, Ian; Vainio, Rami; Stevens, Michael; Cohen, Christina; Steinvall, Konrad; Möstl, Christian; Weiss, Andreas; Nieves-Chinchilla, Teresa; Li, Yan; Larson, Davin; Heyner, Daniel; Bale, Stuart; Galvin, Antoinette; Holmström, Mats; Khotyaintsev, Yuri; Maksimovic, Milan; Mitrofanov, Igor;
Published by: Space Weather Published on: may
YEAR: 2022 DOI: 10.1029/2021SW002993
Parker Data Used; coronal mass ejections; Solar energetic particles; space weather forecasts; MHD models; Inner heliosphere; Solar wind; Astrophysics - Solar and Stellar Astrophysics; Astrophysics - Earth and Planetary Astrophysics; 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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Kinetic-scale Current Sheets in Near-Sun Solar Wind: Properties, Scale-dependent Features and Reconnection Onset
We present statistical analysis of 11,200 proton kinetic-scale current sheets (CS) observed by the Parker Solar Probe during 10 days around the first perihelion. The CS thickness {\ensuremath{\lambda}} is in the range from a few to 200 km with the typical value around 30 km, while current densities are in the range from 0.1 to 10 {\ensuremath{\mu}}A m$^{-2}$ with the typical value around 0.7 {\ensuremath{\mu}}A m$^{-2}$. These CSs are resolved thanks to magnetic field measurements at 73-290 samples s$^{-1}$ resolution. In te ...
Lotekar, A.~B.; Vasko, I.~Y.; Phan, T.; Bale, S.~D.; Bowen, T.~A.; Halekas, J.; Artemyev, A.~V.; Khotyaintsev, Yu.; Mozer, F.~S.;
Published by: \apj Published on: apr
YEAR: 2022 DOI: 10.3847/1538-4357/ac5bd9
Parker Data Used; Solar wind; interplanetary turbulence; 1534; 830; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics
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| 2021 |
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Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage. Observations and modeling
Context. Solar Orbiter, the new-generation mission dedicated to solar and heliospheric exploration, was successfully launched on February 10, 2020, 04:03 UTC from Cape Canaveral. During its first perihelion passage in June 2020, two successive interplanetary coronal mass ejections (ICMEs), propagating along the heliospheric current sheet (HCS), impacted the spacecraft. \ Aims: This paper addresses the investigation of the ICMEs encountered by Solar Orbiter on June 7\ensuremath-8, 2020, from both an observational and a modeli ...
Telloni, D.; Scolini, C.; Möstl, C.; Zank, G.~P.; Zhao, L.; Weiss, A.~J.; Reiss, M.~A.; Laker, R.; Perrone, D.; Khotyaintsev, Y.; Steinvall, K.; Sorriso-Valvo, L.; Horbury, T.~S.; Wimmer-Schweingruber, R.~F.; Bruno, R.; Amicis, R.; De Marco, R.; Jagarlamudi, V.~K.; Carbone, F.; Marino, R.; Stangalini, M.; Nakanotani, M.; Adhikari, L.; Liang, H.; Woodham, L.~D.; Davies, E.~E.; Hietala, H.; Perri, S.; omez-Herrero, R.; iguez-Pacheco, Rodr\; Antonucci, E.; Romoli, M.; Fineschi, S.; Maksimovic, M.; Sou\vcek, J.; Chust, T.; Kretzschmar, M.; Vecchio, A.; Müller, D.; Zouganelis, I.; Winslow, R.~M.; Giordano, S.; Mancuso, S.; Susino, R.; Ivanovski, S.~L.; Messerotti, M.; Brien, H.; Evans, V.; Angelini, V.;
Published by: \aap Published on: dec
YEAR: 2021 DOI: 10.1051/0004-6361/202140648
Parker Data Used; magnetohydrodynamics (MHD); Sun: coronal mass ejections (CMEs); Sun: evolution; Sun: heliosphere; Solar wind; solar-terrestrial relations
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The angular-momentum flux in the solar wind observed during Solar Orbiter s first orbit
\ Aims: We present the first measurements of the angular- momentum flux in the solar wind recorded by the Solar Orbiter spacecraft. Our aim is to validate these measurements to support future studies of the Sun s angular-momentum loss. \ Methods: We combined 60-min averages of the proton bulk moments and the magnetic field measured by the Solar Wind Analyser and the magnetometer onboard Solar Orbiter. We calculated the angular-momentum flux per solid-angle element using data from the first orbit of the mission s cruise phase ...
Verscharen, Daniel; Stansby, David; Finley, Adam; Owen, Christopher; Horbury, Timothy; Maksimovic, Milan; Velli, Marco; Bale, Stuart; Louarn, Philippe; Fedorov, Andrei; Bruno, Roberto; Livi, Stefano; Khotyaintsev, Yuri; Vecchio, Antonio; Lewis, Gethyn; Anekallu, Chandrasekhar; Kelly, Christopher; Watson, Gillian; Kataria, Dhiren; Brien, Helen; Evans, Vincent; Angelini, Virginia; SWA, MAG; Teams, RPW;
Published by: \aap Published on: dec
YEAR: 2021 DOI: 10.1051/0004-6361/202140956
magnetohydrodynamics (MHD); plasmas; Sun: magnetic fields; Solar wind; stars: rotation; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics
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The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29
Context. On 2020 November 29, the first widespread solar energetic particle (SEP) event of solar cycle 25 was observed at four widely separated locations in the inner (\ensuremath\lesssim1 AU) heliosphere. Relativistic electrons as well as protons with energies > 50 MeV were observed by Solar Orbiter (SolO), Parker Solar Probe, the Solar Terrestrial Relations Observatory (STEREO)-A and multiple near- Earth spacecraft. The SEP event was associated with an M4.4 class X-ray flare and accompanied by a coronal mass ejection and a ...
Kollhoff, A.; Kouloumvakos, A.; Lario, D.; Dresing, N.; omez-Herrero, R.; ia, Rodr\; Malandraki, O.~E.; Richardson, I.~G.; Posner, A.; Klein, K.; Pacheco, D.; Klassen, A.; Heber, B.; Cohen, C.~M.~S.; Laitinen, T.; Cernuda, I.; Dalla, S.; Lara, Espinosa; Vainio, R.; Köberle, M.; Kühl, R.; Xu, Z.~G.; Berger, L.; Eldrum, S.; Brüdern, M.; Laurenza, M.; Kilpua, E.~J.; Aran, A.; Rouillard, A.~P.; ik, Bu\vc\; Wijsen, N.; Pomoell, J.; Wimmer-Schweingruber, R.~F.; Martin, C.; Böttcher, S.~I.; von Forstner, J.~L.; Terasa, J.; Boden, S.; Kulkarni, S.~R.; Ravanbakhsh, A.; Yedla, M.; Janitzek, N.; iguez-Pacheco, Rodr\; Mateo, Prieto; Prieto, S.; Espada, Parra; Polo, Rodr\; in, Mart\; Carcaboso, F.; Mason, G.~M.; Ho, G.~C.; Allen, R.~C.; Andrews, Bruce; Schlemm, C.~E.; Seifert, H.; Tyagi, K.; Lees, W.~J.; Hayes, J.; Bale, S.~D.; Krupar, V.; Horbury, T.~S.; Angelini, V.; Evans, V.; Brien, H.; Maksimovic, M.; Khotyaintsev, Yu.; Vecchio, A.; Steinvall, K.; Asvestari, E.;
Published by: \aap Published on: dec
YEAR: 2021 DOI: 10.1051/0004-6361/202140937
Parker Data Used; Sun: particle emission; Sun: heliosphere; Sun: coronal mass ejections (CMEs); Sun: flares; Interplanetary medium
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Solar wind current sheets and deHoffmann-Teller analysis. First results from Solar Orbiter s DC electric field measurements
Context. Solar Orbiter was launched on 10 February 2020 with the purpose of investigating solar and heliospheric physics using a payload of instruments designed for both remote and in situ studies. Similar to the recently launched Parker Solar Probe, and unlike earlier missions, Solar Orbiter carries instruments designed to measure low-frequency DC electric fields. \ Aims: In this paper, we assess the quality of the low-frequency DC electric field measured by the Radio and Plasma Waves instrument (RPW) on Solar Orbiter. In p ...
Steinvall, K.; Khotyaintsev, Yu.; Cozzani, G.; Vaivads, A.; Yordanova, E.; Eriksson, A.~I.; Edberg, N.~J.~T.; Maksimovic, M.; Bale, S.~D.; Chust, T.; Krasnoselskikh, V.; Kretzschmar, M.; Lorfèvre, E.; Plettemeier, D.; Sou\vcek, J.; Steller, M.; ak, \vS.; Vecchio, A.; Horbury, T.~S.; Brien, H.; Evans, V.; Fedorov, A.; Louarn, P.; enot, V.; e, Andr\; Lavraud, B.; Rouillard, A.~P.; Owen, C.~J.;
Published by: \aap Published on: dec
YEAR: 2021 DOI: 10.1051/0004-6361/202140855
Parker Data Used; Solar wind; plasmas; magnetic reconnection; methods: data analysis; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics
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