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

Telloni, D., Andretta, V., Antonucci, E., Bemporad, A., Capuano, G. E., Fineschi, S., et al. (2021). Exploring the Solar Wind from Its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter-Parker Solar Probe Quadrature. Astrophysical Journal, Letters, 920(1): L14. doi:10.3847/2041-8213/ac282f.

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Telloni, Daniele, Author
Andretta, Vincenzo, Author
Antonucci, Ester, Author
Bemporad, Alessandro, Author
Capuano, Giuseppe E., Author
Fineschi, Silvano, Author
Giordano, Silvio, Author
Habbal, Shadia, Author
Perrone, Denise, Author
Pinto, Rui F., Author
Sorriso-Valvo, Luca, Author
Spadaro, Daniele, Author
Susino, Roberto, Author
Woodham, Lloyd D., Author
Zank, Gary P., Author
Romoli, Marco, Author
Bale, Stuart D., Author
Kasper, Justin C., Author
Auchere, Frederic, Author
Bruno, Roberto, Author
Capobianco, Gerardo, AuthorCase, Anthony W., AuthorCasini, Chiara, AuthorCasti, Marta, AuthorChioetto, Paolo, AuthorCorso, Alain J., AuthorDa Deppo, Vania, AuthorDe Leo, Yara1, 2, Author              Dudok de Wit, Thierry , AuthorFrassati, Federica, AuthorFrassetto, Fabio, AuthorGoetz, Keith, AuthorGuglielmino, Salvo L., AuthorHarvey, Peter R., AuthorHeinzel, Petr, AuthorJerse, Giovanna, AuthorKorreck, Kelly E., AuthorLandini, Federico, AuthorLarson, Davin, AuthorLiberatore, Alessandro, AuthorLivi, Roberto, AuthorMacDowall, Robert J., AuthorMagli, Enrico, AuthorMalaspina, David M., AuthorMassone, Giuseppe, AuthorMesserotti, Mauro, AuthorMoses, John D., AuthorNaletto, Giampiero, AuthorNicolini, Gianalfredo, AuthorNistico, Giuseppe, AuthorPanasenco, Olga, AuthorPancrazzi, Maurizio, AuthorPelizzo, Maria G., AuthorPulupa, Marc, AuthorReale, Fabio, AuthorRomano, Paolo, AuthorSasso, Clementina, AuthorSchühle, Udo1, Author              Stangalini, Marco, AuthorStevens, Michael L., AuthorStrachan, Leonard, AuthorStraus, Thomas, AuthorTeriaca, Luca1, Author              Uslenghi, Michela, AuthorVelli, Marco, AuthorVerscharen, Daniel, AuthorVolpicelli, Cosimo A., AuthorWhittlesey, Phyllis, AuthorZangrilli, Luca, AuthorZimbardo, Gaetano, AuthorZuppella, Paola, Author more..
Affiliations:
1Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, Justus-von-Liebig-Weg 3, 37077 Göttingen, DE, ou_1832289              
2IMPRS for Solar System Science at the University of Göttingen, Max Planck Institute for Solar System Research, Max Planck Society, Justus-von-Liebig-Weg 3, 37077 Göttingen, DE, ou_1832290              

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Free keywords: Magnetohydrodynamics; Space plasmas; Interplanetary turbulence; Solar corona; Heliosphere; Solar wind
 Abstract: This Letter addresses the first Solar Orbiter (SO)–Parker Solar Probe (PSP) quadrature, occurring on 2021 January 18 to investigate the evolution of solar wind from the extended corona to the inner heliosphere. Assuming ballistic propagation, the same plasma volume observed remotely in the corona at altitudes between 3.5 and 6.3 solar radii above the solar limb with the Metis coronagraph on SO can be tracked to PSP, orbiting at 0.1 au, thus allowing the local properties of the solar wind to be linked to the coronal source region from where it originated. Thanks to the close approach of PSP to the Sun and the simultaneous Metis observation of the solar corona, the flow-aligned magnetic field and the bulk kinetic energy flux density can be empirically inferred along the coronal current sheet with an unprecedented accuracy, allowing in particular estimation of the Alfvén radius at 8.7 solar radii during the time of this event. This is thus the very first study of the same solar wind plasma as it expands from the sub-Alfvénic solar corona to just above the Alfvén surface.

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Language(s): eng - English
 Dates: 2021
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3847/2041-8213/ac282f
 Degree: -

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Title: Astrophysical Journal, Letters
  Other : ApJL
Source Genre: Journal
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Publ. Info: Bristol, UK : Institute of Physics Publishing (IOP)
Pages: - Volume / Issue: 920 (1) Sequence Number: L14 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215_1