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

被引：12

作者：

Telloni, Daniele ^{[1
]}

Adhikari, Laxman ^{[2
]}

Zank, Gary P. ^{[2
,3
]}

Hadid, Lina Z. ^{[4
]}

Sanchez-Cano, Beatriz ^{[5
]}

Sorriso-Valvo, Luca ^{[6
,7
]}

Zhao, Lingling ^{[2
]}

Panasenco, Olga ^{[8
]}

Shi, Chen ^{[9
]}

Velli, Marco ^{[9
]}

Susino, Roberto ^{[1
]}

Verscharen, Daniel ^{[10
]}

Milillo, Anna ^{[11
]}

Alberti, Tommaso ^{[11
]}

Narita, Yasuhito ^{[12
,13
]}

Verdini, Andrea ^{[14
]}

Grimani, Catia ^{[15
,16
]}

Bruno, Roberto ^{[11
]}

D'Amicis, Raffaella ^{[11
]}

Perrone, Denise ^{[17
]}

Marino, Raffaele ^{[18
]}

Carbone, Francesco ^{[19
]}

Califano, Francesco ^{[20
]}

Malara, Francesco ^{[21
]}

Stawarz, Julia E. ^{[22
]}

Laker, Ronan ^{[22
]}

Liberatore, Alessandro ^{[23
]}

Bale, Stuart D. ^{[24
,25
]}

Kasper, Justin C. ^{[26
,27
]}

Heyner, Daniel ^{[13
]}

de Wit, Thierry Dudok ^{[28
]}

Goetz, Keith ^{[29
]}

Harvey, Peter R. ^{[24
]}

MacDowall, Robert J. ^{[30
]}

Malaspina, David M. ^{[31
,32
]}

Pulupa, Marc ^{[24
]}

Case, Anthony W. ^{[33
]}

Korreck, Kelly E. ^{[33
]}

Larson, Davin ^{[24
]}

Livi, Roberto ^{[24
]}

Stevens, Michael L. ^{[33
]}

Whittlesey, Phyllis ^{[24
]}

Auster, Hans-Ulrich ^{[13
]}

Richter, Ingo ^{[13
]}

机构：

[1] Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy

[2] Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA

[3] Univ Alabama, Dept Space Sci, Huntsville, AL 35805 USA

[4] Sorbonne Univ, Univ Paris Sci & Lettres, Inst Polytech Paris, Ecole Polytech,CNRS,Lab Phys Plasmas, Route Saclay, F-91128 Palaiseau, France

[5] Univ Leicester, Sch Phys & Astron, Univ Rd, Leicester LE1 7RH, Leics, England

[6] Swedish Inst Space Phys, Angstrom Lab, Lagerhyddsvagen 1, SE-75121 Uppsala, Sweden

[7] CNR, Inst Sci & Technol Plasmas, Via Amendola 122-D, I-70126 Bari, Italy

[8] Adv Heliophys, Pasadena, CA 91106 USA

[9] Univ Calif Los Angeles, Earth Planetary & Space Sci, Los Angeles, CA 90095 USA

[10] Univ Coll London, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England

[11] Natl Inst Astrophys, Inst Space Astrophys & Planetol, Via Fosso Cavaliere 100, I-00133 Rome, Italy

[12] Austrian Acad Sci, Space Res Inst, Schmiedlstr 2, A-8042 Graz, Austria

[13] Tech Univ Carolo Wilhelmina Braunschweig, Inst Geophys & Extraterr Phys, Mendelssohnstr 3, D-38106 Braunschweig, Germany

[14] Univ Firenze, Dept Phys & Astron, Via Giovanni Sansone 1, I-50019 Sesto Fiorentino, Italy

[15] Univ Urbino Carlo Bo, Dept Pure & Appl Sci, Via Santa Chiara 27, I-61029 Urbino, Italy

[16] Natl Inst Nucl Phys, Sect Florence, Via Bruno Rossi 1, I-50019 Sesto Fiorentino, Italy

[17] Italian Space Agcy, Via Politecn Snc, I-00133 Rome, Italy

[18] Univ Claude Bernard Lyon 1, Ecole Cent Lyon, CNRS, INSA Lyon,Lab Mecan Fluides & Acoust, F-69134 Ecully, France

[19] Univ Calabria, Inst Atmospher Pollut Res, Natl Res Council, I-87036 Arcavacata Di Rende, Italy

[20] Univ Pisa, Dept Phys Enrico Fermi, Lungarno Antonio Pacinotti 43, I-56126 Pisa, Italy

[21] Univ Calabria, Dept Phys, Ponte P Bucci Cubo 31C, I-87036 Arcavacata Di Rende, Italy

[22] Imperial Coll London, Dept Phys, London SW7 2AZ, England

[23] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[24] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[25] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[26] BWX Technol Inc, Washington, DC 20002 USA

[27] Univ Michigan, Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA

[28] CNRS, Lab Phys & Chim Environm & Espace, 3A Ave Rech Sci, F-45071 Orleans, France

[29] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[30] NASA, Goddard Space Flight Ctr, Code 916, Greenbelt, MD 20771 USA

[31] Univ Colorado, Astrophys & Planetary Sci Dept, Boulder, CO 80309 USA

[32] Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80303 USA

[33] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2022年 / 938卷 / 02期

关键词：

HIGH-SPEED STREAMS; RADIAL EVOLUTION; ORBITER; PROBE; FLUCTUATIONS; WAVES; POWER; ANISOTROPY; CASCADE;

D O I：

10.3847/2041-8213/ac9624

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：8

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