Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage Observations and modeling

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Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage Observations and modeling

Telloni, D. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Scolini, C. (författare): Univ New Hampshire, Inst Study Earth Oceans & Space, Space Sci Ctr, Durham, NH 03824 USA.;Univ Corp Atmospher Res, Boulder, CO 80301 USA.

Moestl, C. (författare): Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria.;Graz Univ Technol, Inst Geodesy, Steyrergasse 30, A-8010 Graz, Austria.

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Zank, G. P. (författare): Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA.;Univ Alabama, Dept Space Sci, Huntsville, AL 35805 USA.

Zhao, L-L (författare): Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA.

Weiss, A. J. (författare): Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria.;Graz Univ Technol, Inst Geodesy, Steyrergasse 30, A-8010 Graz, Austria.;Karl Franzens Univ Graz, Inst Phys, Univ Pl 5, A-8010 Graz, Austria.

Reiss, M. A. (författare): Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria.;Graz Univ Technol, Inst Geodesy, Steyrergasse 30, A-8010 Graz, Austria.

Laker, R. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Perrone, D. (författare): Italian Space Agcy, Via Politecn Snc, I-00133 Rome, Italy.

Khotyaintsev, Yuri V. (författare): Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen

Steinvall, Konrad (författare): Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen

Sorriso-Valvo, Luca (författare): Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,CNR, Inst Sci & Technol Plasmas, Via Amendola 122-D, I-70126 Bari, Italy.

Horbury, T. S. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Wimmer-Schweingruber, R. F. (författare): Univ Kiel, Inst Expt & Appl Phys, D-24118 Kiel, Germany.

Bruno, R. (författare): Natl Inst Astrophys, Inst Space Astrophys & Planetol, Via Fosso del Cavaliere 100, I-00133 Rome, Italy.

D'Amicis, R. (författare): Natl Inst Astrophys, Inst Space Astrophys & Planetol, Via Fosso del Cavaliere 100, I-00133 Rome, Italy.

De Marco, R. (författare): Natl Inst Astrophys, Inst Space Astrophys & Planetol, Via Fosso del Cavaliere 100, I-00133 Rome, Italy.

Jagarlamudi, V. K. (författare): Natl Inst Astrophys, Inst Space Astrophys & Planetol, Via Fosso del Cavaliere 100, I-00133 Rome, Italy.

Carbone, F. (författare): Univ Calabria, Inst Atmospher Pollut Res, Natl Res Council, I-87036 Arcavacata Di Rende, Italy.

Marino, R. (författare): Univ Claude Bernard Lyon 1, INSA Lyon, Ecole Cent Lyon, CNRS,Lab Mecan Fluides & Acoust, F-69134 Ecully, France.

Stangalini, M. (författare): Italian Space Agcy, Via Politecn Snc, I-00133 Rome, Italy.

Nakanotani, M. (författare): Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA.

Adhikari, L. (författare): Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA.

Liang, H. (författare): Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35805 USA.

Woodham, L. D. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Davies, E. E. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Hietala, H. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Perri, S. (författare): Univ Calabria, Dept Phys, Ponte P Bucci Cubo 31C, I-87036 Arcavacata Di Rende, Italy.

Gomez-Herrero, R. (författare): Univ Alcala De Henares, Space Res Grp, Alcala De Henares 28805, Spain.

Rodriguez-Pacheco, J. (författare): Univ Alcala De Henares, Space Res Grp, Alcala De Henares 28805, Spain.

Antonucci, E. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Romoli, M. (författare): Univ Florence, Dept Phys & Astron, Via Giovanni Sansone 1, I-50019 Sesto Fiorentino, Italy.

Fineschi, S. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Maksimovic, M. (författare): Univ Paris Diderot, Sorbonne Univ, Univ Paris Sci & Lettres,Observ Paris,CNRS, Sorbonne Paris Cite,Lab Etud Spatiales & Instrume, 5 Pl Jules Janssen, F-92195 Meudon, France.

Soucek, J. (författare): Czech Acad Sci, Inst Atmospher Phys, Bocni 2 1401, Prague 14131, Czech Republic.

Chust, T. (författare): Univ Paris Sci & Lettres, Univ Paris Saclay, Sorbonne Univ, Observ Paris,Ecole Polytech,Lab Phys Plasmas,CNRS, Route Saclay, F-91128 Palaiseau, France.

Kretzschmar, M. (författare): CNRS, Lab Phys & Chim Environm & Espace, 3A Ave Rech Sci, F-45071 Orleans, France.;Univ Orleans, Chateau Source, 6 Ave Parc Floral, F-45100 Orleans, France.

Vecchio, A. (författare): Univ Paris Diderot, Sorbonne Univ, Univ Paris Sci & Lettres,Observ Paris,CNRS, Sorbonne Paris Cite,Lab Etud Spatiales & Instrume, 5 Pl Jules Janssen, F-92195 Meudon, France.;Radboud Univ Nijmegen, Dept Astrophys, Radboud Radio Lab, NL-6500 Nijmegen, Netherlands.

Muller, D. (författare): European Space Agcy, European Space Res & Technol Ctr, POB 299, NL-2200 Noordwijk, Netherlands.

Zouganelis, I (författare): European Space Agcy, European Space Astron Ctr, Camino Bajo Castillo S-N, Madrid 28692, Spain.

Winslow, R. M. (författare): Univ New Hampshire, Inst Study Earth Oceans & Space, Space Sci Ctr, Durham, NH 03824 USA.

Giordano, S. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Mancuso, S. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Susino, R. (författare): Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy.

Ivanovski, S. L. (författare): Natl Inst Astrophys, Astron Observ Trieste, Loc Basovizza 302, I-34149 Trieste, Italy.

Messerotti, M. (författare): Natl Inst Astrophys, Astron Observ Trieste, Loc Basovizza 302, I-34149 Trieste, Italy.

O'Brien, H. (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Evans, V (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

Angelini, V (författare): Imperial Coll London, South Kensington Campus, London SW7 2AZ, England.

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Natl Inst Astrophys, Astrophys Observ Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy Univ New Hampshire, Inst Study Earth Oceans & Space, Space Sci Ctr, Durham, NH 03824 USA.;Univ Corp Atmospher Res, Boulder, CO 80301 USA. (creator_code:org_t)

2021-12-14
2021
Engelska.
Ingår i: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 656

Relaterad länk:: https://urn.kb.se/re...; visa fler...; https://doi.org/10.1...; visa färre...

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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 7-8, 2020, from both an observational and a modeling perspective. The aim is to provide a full description of those events, their mutual interaction, and their coupling with the ambient solar wind and the HCS.Methods. Data acquired by the MAG magnetometer, the Energetic Particle Detector suite, and the Radio and Plasma Waves instrument are used to provide information on the ICMEs' magnetic topology configuration, their magnetic connectivity to the Sun, and insights into the heliospheric plasma environment where they travel, respectively. On the modeling side, the Heliospheric Upwind eXtrapolation model, the 3D COronal Rope Ejection technique, and the EUropean Heliospheric FORecasting Information Asset (EUHFORIA) tool are used to complement Solar Orbiter observations of the ambient solar wind and ICMEs, and to simulate the evolution and interaction of the ejecta in the inner heliosphere, respectively.Results. Both data analysis and numerical simulations indicate that the passage of two distinct, dynamically and magnetically interacting (via magnetic reconnection processes) ICMEs at Solar Orbiter is a possible scenario, supported by the numerous similarities between EUHFORIA time series at Solar Orbiter and Solar Orbiter data.Conclusions. The combination of in situ measurements and numerical simulations (together with remote sensing observations of the corona and inner heliosphere) will significantly lead to a deeper understanding of the physical processes occurring during the CME-CME interaction.

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Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage Observations and modeling

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