Solar Orbiter - IRIS - ADITYA - Joint Workshop

Session

Transients, turbulence and variability in the heliosphere

8

19 Mar 2026, 13:45

Harnack Haus (Berlin)

78. From the Sun to the Heliosphere: The Complex Nature of ICMEs

Emilia Kilpua (University of Helsinki)

19/03/2026, 13:45

Review talk

First Name: Emilia
Last Name: Kilpua
Email Address: emilia.kilpua@helsinki.fi
Affiliation: University of Helsinki

All Authors: Emilia Kilpua

Abstract: Large-scale solar wind transients are fundamental drivers of heliospheric variability and space weather at Earth and other solar system planets. The most important of these are interplanetary coronal mass ejections (ICMEs),...

79. Interplanetary coronal mass ejections observed by Solar Orbiter (2020–2024) and their solar sources

Mateja Dumbovic (Hvar Observatory, Faculty of Geodesy, University of Zagreb)

19/03/2026, 14:15

Contributed talk

First Name: Mateja
Last Name: Dumbovic
Email Address: mdumbovic@geof.hr
Affiliation: Hvar Observatory, Faculty of Geodesy, University of Zagreb

All Authors: Dumbovic, M., Martinic, K., Amaro, M.

Abstract: We identify, categorize, and analyze 77 interplanetary coronal mass ejections (ICMEs) observed in situ by Solar Orbiter between April 2020 and April 2024. For 28 of these...

80. Energetic Particle Transport in Structured and Multiscale Plasma Turbulence: Bridging Observations, Theory, and Simulation

Frederic Effenberger (Ruhr-University Bochum)

19/03/2026, 14:30

Contributed talk

First Name: Frederic
Last Name: Effenberger
Email Address: frederic.effenberger@rub.de
Affiliation: Ruhr-University Bochum

All Authors: ISSI Team #24-608

Abstract: Energetic particles in astrophysical plasmas, both in the heliosphere and in a variety of cosmic environments, interact with turbulence that is magnetised, intermittent, and inherently multiscale. Understanding how...

81. The Evolution of Turbulence in the Inner Heliosphere: Insights from the February 2022 Radial Alignment between Parker Solar Probe and Solar Orbiter

Julia Stawarz (Northumbria University)

19/03/2026, 14:45

Contributed talk

First Name: Julia
Last Name: Stawarz
Email Address: julia.stawarz@northumbria.ac.uk
Affiliation: Northumbria University

All Authors: Julia E. Stawarz, Lorenzo Matteini, Luca Sorriso-Valvo, Jaye Verniero, Raffaella D’Amicis, Lina Hadid, Utsav Panchal, Denise Perrone, Yeimy Rivera, Sergio Toledo Redondo, Robert Wicks

Abstract: Complex turbulent dynamics that facilitate energy...

82. online – Chasing Shocks with Solar Orbiter: Insights into Particle Acceleration During Solar Cycle 25

Domenico Trotta (European European Space Agency (ESA), European Space Astronomy Centre (ESAC, Spain)

19/03/2026, 15:00

Contributed talk

First Name: Domenico
Last Name: Trotta
Email Address: domenico.trotta@esa.int
Affiliation: European Space Agency (ESA), European Space Astronomy Centre (ESAC), Madrid, Spain

All Authors: Domenico Trotta

Abstract: Interplanetary (IP) shock waves propagate through the heliosphere as a result of solar activity. These shocks are key sites of energy conversion and particle...

83. Alfvénic fluctuations in the solar wind: spherical polarisation, switchbacks and radial evolution

Lorenzo Matteini (Physics Department, Imperial College London, UK)

19/03/2026, 15:15

Invited talk

First Name: Lorenzo
Last Name: Matteini
Email Address: l.matteini@imperial.ac.uk
Affiliation: Physics Department, Imperial College London, UK

All Authors: Lorenzo Matteini

Abstract: Recent observations by both Solar Orbiter and Parker Solar Probe in the Inner Heliosphere have highlighted the key role played by Alfvénic fluctuations in the acceleration of the Solar Wind and in...

84. online – Exploring Multiple Alfvénic Solar Wind Regimes at Solar Orbiter’s October 2022 Perihelion

Omkar Dhamane (INAF - Institute for Space Astrophysics and Planetology (IAPS), Italy)

19/03/2026, 16:05

Contributed talk

First Name: Omkar
Last Name: Dhamane
Email Address: omkar.dhamane@inaf.it
Affiliation: INAF - Institute for Space Astrophysics and Planetology (IAPS) Cavaliere's Ditch Street, 100 00133 Rome (Italy)

All Authors: Omkar Dhamane, Raffaella D’Amicis, Simone Benella, Steph Yardley, Rossana De Marco, Roberto Bruno, Luca Sorriso-Valvo, Daniele Telloni, Denise Perrone, Christ Owen, Philip...

85. Tracing the radial evolution of an Alfvénic slow wind and subsequent transient: observations from Solar Orbiter and Wind

Raffaella D'Amicis (INAF - IAPS)

19/03/2026, 16:20

Contributed talk

First Name: Raffaella
Last Name: D'Amicis
Email Address: raffaella.damicis@inaf.it
Affiliation: INAF - IAPS

All Authors: R. D’Amicis, D. Trotta, O. Dhamane, A. Larosa, S. Benella, S. Yardley, R. De Marco, M. Laurenza, L. Sorriso-Valvo, D. Turner, D. Perrone, M. Velli, O. Panasenco, R. Bruno, D. Telloni, C. Owen, P. Louarn, S. Livi, J. Rodriguez-Pacheco, R. Wimmer-Schweingruber, T....

86. Solar Energetic Particles Observed by Solar Orbiter at High Latitude

George Ho (Southwest Research Institute)

19/03/2026, 16:35

Contributed talk

First Name: George
Last Name: Ho
Email Address: george.ho@swri.org
Affiliation: Southwest Research Institute

All Authors: George C. Ho, Glenn M. Mason, Robert C. Allen, Samuel T. Hart, Athanasios Kouloumvakos, Robert F. Wimmer-Schweingruber, Javier Rodríguez-Pacheco, Raúl Gómez-Herrero

Abstract: Solar Orbiter began its high-latitude phase following a Venus gravity assist on...

87. Compositional Variability in the November 2025 Solar Energetic Particle Events

Christina Cohen (California Institute of Technology)

19/03/2026, 16:50

Contributed talk

First Name: Christina
Last Name: Cohen
Email Address: cohen@srl.caltech.edu
Affiliation: California Institute of Technology

All Authors: C.M.S. Cohen, G.M. Mason, R.A. Leske, G.C. Ho, R.F. Wimmer-Schweingruber, G.D. Muro, Z.G. Xu

Abstract: In the first half of November 2025, Parker Solar Probe, ACE, Solar Orbiter, and STEREO-A were distributed from 0.7 to 1 AU and ~127° in...

88. online – First results from the Aditya Solar Wind Particle Experiment (ASPEX) on-board Aditya-L1

Dibyendu Chakrabharty (Physical Research Laboratory)

19/03/2026, 17:05

Invited talk

First Name: Dibyendu
Last Name: Chakrabarty
Email Address: dipu@prl.res.in
Affiliation: Physical Research Laboratory

All Authors: Dibyendu Chakrabarty

Abstract: Aditya-L1 mission is the first observatory class mission from India to understand the Sun, solar wind, heliosphere and space weather. Launched on 02 September, 2023, the Aditya-L1 satellite was placed at a halo orbit...