Observation and Modeling of the Solar Wind Turbulence Evolution in the Sub-Mercury Inner Heliosphere - Archive ouverte HAL
Article Dans Une Revue The Astrophysical journal letters Année : 2022

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

Daniele Telloni , Laxman Adhikari (1) , Gary Zank (1) , L. Z. Hadid (2) , Beatriz Sánchez-Cano (3) , Luca Sorriso-Valvo (4) , Lingling Zhao (1) , Olga Panasenco , Chen Shi (5) , Marco Velli (5) , Roberto Susino , Daniel Verscharen (6) , Anna Milillo , Tommaso Alberti , Yasuhito Narita (7, 8) , Andrea Verdini (9) , Catia Grimani (10) , Roberto Bruno , Raffaella D’amicis , Denise Perrone (11) , Raffaele Marino (12) , Francesco Carbone (13) , Francesco Califano (14) , Francesco Malara , Julia Stawarz (15) , Ronan Laker (15) , Alessandro Liberatore , Stuart Bale (16) , Justin Kasper (17) , Daniel Heyner , Thierry Dudok de Wit (18) , Keith Goetz (19) , Peter Harvey , Robert Macdowall , David Malaspina (20) , Marc Pulupa , Anthony Case , Kelly Korreck , Davin Larson , Roberto Livi , Michael Stevens , Phyllis Whittlesey , Hans-Ulrich Auster (7) , Ingo Richter (7)
1 UAH - University of Alabama in Huntsville
2 LPP - Laboratoire de Physique des Plasmas
3 University of Leicester
4 IRF - Swedish Institute of Space Physics [Uppsala / Kiruna]
5 Earth, Planetary and Space Sciences, University of California, Los Angeles, CA, USA
6 UCL - University College of London [London]
7 Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
8 IWF - Space Research Institute of Austrian Academy of Sciences
9 UniFI - Università degli Studi di Firenze = University of Florence = Université de Florence
10 DiSTeVA - Department of Earth, Life and Environment Sciences, University of Urbino
11 Italian Space Agency
12 LMFA - Laboratoire de Mecanique des Fluides et d'Acoustique
13 Universita Mediterranea of Reggio Calabria [Reggio Calabria]
14 UniPi - University of Pisa [Italy] = Università di Pisa [Italia] = Université de Pise [Italie]
15 Imperial College London
16 UC Berkeley - University of California [Berkeley]
17 University of Michigan [Ann Arbor]
18 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
19 UMN - University of Minnesota System
20 University of Colorado [Colorado Springs]
Daniele Telloni
Laxman Adhikari
University of Alabama in Huntsville
Gary Zank
University of Alabama in Huntsville
L. Z. Hadid
Laboratoire de Physique des Plasmas
CV
Beatriz Sánchez-Cano
University of Leicester
Luca Sorriso-Valvo
Swedish Institute of Space Physics [Uppsala / Kiruna]
Lingling Zhao
University of Alabama in Huntsville
Olga Panasenco
Chen Shi
Earth, Planetary and Space Sciences, University of California, Los Angeles, CA, USA
Marco Velli
Earth, Planetary and Space Sciences, University of California, Los Angeles, CA, USA
Roberto Susino
Daniel Verscharen
University College of London [London]
Anna Milillo
Tommaso Alberti
Yasuhito Narita
Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
Space Research Institute of Austrian Academy of Sciences
Andrea Verdini
Università degli Studi di Firenze = University of Florence = Université de Florence
Catia Grimani
Department of Earth, Life and Environment Sciences, University of Urbino
Roberto Bruno
Raffaella D’amicis
Denise Perrone
Italian Space Agency
Raffaele Marino
Laboratoire de Mecanique des Fluides et d'Acoustique
Francesco Carbone
Universita Mediterranea of Reggio Calabria [Reggio Calabria]
Francesco Califano
University of Pisa [Italy] = Università di Pisa [Italia] = Université de Pise [Italie]
Francesco Malara
Julia Stawarz
Imperial College London
Ronan Laker
Imperial College London
Alessandro Liberatore
Stuart Bale
University of California [Berkeley]
Justin Kasper
University of Michigan [Ann Arbor]
Daniel Heyner
Thierry Dudok de Wit
Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
Keith Goetz
University of Minnesota System
Peter Harvey
Robert Macdowall
David Malaspina
University of Colorado [Colorado Springs]
Marc Pulupa
Anthony Case
Kelly Korreck
Davin Larson
Roberto Livi
Michael Stevens
Phyllis Whittlesey
Hans-Ulrich Auster
Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
Ingo Richter
Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]

Résumé

Abstract This letter exploits the radial alignment between the Parker Solar Probe and BepiColombo in late 2022 February, when both spacecraft were within Mercury’s orbit. This allows the study of the turbulent evolution, namely, the change in spectral and intermittency properties, of the same plasma parcel during its expansion from 0.11 to 0.33 au, a still unexplored region. The observational analysis of the solar wind turbulent features at the two different evolution stages is complemented by a theoretical description based on the turbulence transport model equations for nearly incompressible magnetohydrodynamics. The results provide strong evidence that the solar wind turbulence already undergoes significant evolution at distances less than 0.3 au from the Sun, which can be satisfactorily explained as due to evolving slab fluctuations. This work represents a step forward in understanding the processes that control the transition from weak to strong turbulence in the solar wind and in properly modeling the heliosphere.

Domaines

Astrophysique stellaire et solaire [astro-ph.SR] Planétologie et astrophysique de la terre [astro-ph.EP] Physique des plasmas [physics.plasm-ph]
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Soumis le : jeudi 20 octobre 2022-19:03:08

Dernière modification le : vendredi 20 décembre 2024-11:38:18

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hal-03823347 , version 1 (20-10-2022)

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Citer

Daniele Telloni, Laxman Adhikari, Gary Zank, L. Z. Hadid, Beatriz Sánchez-Cano, et al.. Observation and Modeling of the Solar Wind Turbulence Evolution in the Sub-Mercury Inner Heliosphere. The Astrophysical journal letters, 2022, 938 (2), pp.L8. ⟨10.3847/2041-8213/ac9624⟩. ⟨hal-03823347⟩

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