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@article{Telloni:2021:0004-6361/202140648,
author = {Telloni, D and Scolini, C and Moestl, C and Zank, GP and Zhao, L-L and Weiss, AJ and Reiss, MA and Laker, R and Perrone, D and Khotyaintsev, Y and Steinvall, K and Sorriso-Valvo, L and Horbury, TS and Wimmer-Schweingruber, RF and Bruno, R and D'Amicis, R and De, Marco R and Jagarlamudi, VK and Carbone, F and Marino, R and Stangalini, M and Nakanotani, M and Adhikari, L and Liang, H and Woodham, LD and Davies, EE and Hietala, H and Perri, S and Gomez-Herrero, R and Rodriguez-Pacheco, J and Antonucci, E and Romoli, M and Fineschi, S and Maksimovic, M and Soucek, J and Chust, T and Kretzschmar, M and Vecchio, A and Muller, D and Zouganelis, I and Winslow, RM and Giordano, S and Mancuso, S and Susino, R and Ivanovski, SL and Messerotti, M and O'Brien, H and Evans, V and Angelini, V},
doi = {0004-6361/202140648},
journal = {Astronomy and Astrophysics: a European journal},
title = {Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage Observations and modeling},
url = {http://dx.doi.org/10.1051/0004-6361/202140648},
volume = {656},
year = {2021}
}

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TY  - JOUR
AB  - 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.
AU  - Telloni,D
AU  - Scolini,C
AU  - Moestl,C
AU  - Zank,GP
AU  - Zhao,L-L
AU  - Weiss,AJ
AU  - Reiss,MA
AU  - Laker,R
AU  - Perrone,D
AU  - Khotyaintsev,Y
AU  - Steinvall,K
AU  - Sorriso-Valvo,L
AU  - Horbury,TS
AU  - Wimmer-Schweingruber,RF
AU  - Bruno,R
AU  - D'Amicis,R
AU  - De,Marco R
AU  - Jagarlamudi,VK
AU  - Carbone,F
AU  - Marino,R
AU  - Stangalini,M
AU  - Nakanotani,M
AU  - Adhikari,L
AU  - Liang,H
AU  - Woodham,LD
AU  - Davies,EE
AU  - Hietala,H
AU  - Perri,S
AU  - Gomez-Herrero,R
AU  - Rodriguez-Pacheco,J
AU  - Antonucci,E
AU  - Romoli,M
AU  - Fineschi,S
AU  - Maksimovic,M
AU  - Soucek,J
AU  - Chust,T
AU  - Kretzschmar,M
AU  - Vecchio,A
AU  - Muller,D
AU  - Zouganelis,I
AU  - Winslow,RM
AU  - Giordano,S
AU  - Mancuso,S
AU  - Susino,R
AU  - Ivanovski,SL
AU  - Messerotti,M
AU  - O'Brien,H
AU  - Evans,V
AU  - Angelini,V
DO  - 0004-6361/202140648
PY  - 2021///
SN  - 0004-6361
TI  - Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage Observations and modeling
T2  - Astronomy and Astrophysics: a European journal
UR  - http://dx.doi.org/10.1051/0004-6361/202140648
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000730246400031&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://www.aanda.org/articles/aa/full_html/2021/12/aa40648-21/aa40648-21.html
UR  - http://hdl.handle.net/10044/1/96594
VL  - 656
ER  -

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