AK
A. Kouloumvakos
astro-ph.SRphysics.space-phastro-ph.HEphysics.plasm-phcoronal mass ejectionssolar energetic particlesastro-ph.EPflaresshockssolar eruptions
On Valency
published · living versionsW_ujknevmr·v1 · currentpublished
Delayed maximum energy solar energetic particle events: Statistical analysis from Solar Orbiter
with R. C. Allen, G. C. Ho, G. M. Mason, Z. Ding +7
1 version
Preprints & journals
53 papers in the corpus · 2013–2026Delayed maximum energy solar energetic particle events: Statistical analysis from Solar Orbiter2610.35520v1 · R. C. Allen, G. C. Ho, G. M. Mason et al.2026 · 1 citationA&A 705, A126 (2026)on Valency
Wave-Growth-Limited Particle Confinement in a Near-Parallel Interplanetary Shock Observed by Parker Solar Probe2610.10067v1 · A. Kouloumvakos, I. C. Jebaraj, M. A. Malkov et al.2026 · 0 citationsarXiv
Does Diffusive Shock Acceleration Reach Steady State? Insights from a Near-Sun Shock Observed by Parker Solar Probe2610.08034v1 · Immanuel Christopher Jebaraj, Mikhail Malkov, Nicolas Wijsen et al.2026 · 0 citationsarXiv
The Wave-Regulated Precursor of a Near-Parallel Interplanetary Shock Observed by Parker Solar Probe2608.12606v1 · Immanuel Christopher Jebaraj, Lucas Colomban, Oleksiy Agapitov et al.2026 · 1 citationarXiv
Energetic Particle Acceleration and Transport: Interplanetary Coronal Mass Ejections and Shocks2607.26767v1 · Olga E. Malandraki, Christina M. S. Cohen, Joe Giacalone et al.2026 · 0 citationsarXiv
Shock properties for solar energetic particle events with signatures of inverse velocity arrival2604.13962v1 · A. Kouloumvakos, D. Lario, G. M. Mason et al.2026 · 0 citationsarXiv
Multi-spacecraft constraints on relativistic solar energetic particle transport in the widespread 28 October 2021 event2603.09839v1 · E. Lavasa, J. T. Lang, A. Papaioannou et al.2026 · 0 citationsA&A, 707 (2026) A12
Parker Solar Probe observations of solar energetic particle (SEP) events with inverse velocity arrival (IVA) features2602.12475v1 · Zigong Xu, C. M. S. Cohen, R. A. Leske et al.2026 · 0 citationsA&A 710, A288 (2026)
Sunward Streaming 3He-rich SEP Events Observed by Solar Orbiter and Parker Solar Probe during Perihelion Passage2601.20624v1 · Samuel T. Hart, George C. Ho, Michael R. Terres et al.2026 · 0 citationsarXiv
Coronal flux tube illuminated by strong shock spot: New Year's Eve solar eruption of 2023-Dec-312512.24749v1 · Illya Plotnikov, Alexis P. Rouillard, Athanasios Kouloumvakos et al.2025 · 0 citationsarXiv
Evidence of Time-Dependent Diffusive Shock Acceleration in the 2022 September 5 Solar Energetic Particle Event2506.20322v2 · Xiaohang Chen, Lulu Zhao, Joe Giacalone et al.2025 · 7 citationsarXiv
Freely propagating flanks of wide coronal-mass-ejection-driven shocks: Modelling and observational insights2505.02794v1 · N. Wijsen, I. C. Jebaraj, N. Dresing et al.2025 · 5 citationsA&A 699, A51 (2025)
Investigation of Inverse Velocity Dispersion in a Solar Energetic Particle Event Observed by Solar Orbiter2503.12522v1 · Zheyi Ding, F. Robert Wimmer-Schweingruber, Alexander Kollhoff et al.2025 · 10 citationsA&A 696, A199 (2025)
On the reason for the widespread energetic storm particle event of 13 March 20232502.06332v1 · N. Dresing, I. C. Jebaraj, N. Wijsen et al.2025 · 11 citationsA&A 695, A127 (2025)
Shock and SEP Modeling Study for the 5 September 2022 SEP Event2501.03066v1 · A. Kouloumvakos, N. Wijsen, I. C. Jebaraj et al.2025 · 12 citationsarXiv
Multi-Mission Observations of Relativistic Electrons and High-Speed Jets Linked to Shock Generated Transients2411.12815v1 · Savvas Raptis, Martin Lindberg, Terry Z. Liu et al.2024 · 6 citationsarXiv
Composition variation of the May 16 2023 Solar Energetic Particle Event observed by Solar Orbiter and Parker Solar Probe2410.19672v1 · Z.G. Xu, C.M.S Cohen, R.A. Leske et al.2024 · 0 citationsarXiv
Direct Measurements of Synchrotron-Emitting Electrons at Near-Sun Shocks2410.15933v2 · I. C. Jebaraj, O. V. Agapitov, M. Gedalin et al.2024 · 13 citationsarXiv
Radial Evolution of ICME-Associated Particle Acceleration Observed by Solar Orbiter and ACE2410.01885v1 · Malik H. Walker, Robert C. Allen, Gang Li et al.2024 · 5 citationsA&A 693, A230 (2025)
Solar energetic particles injected inside and outside a magnetic cloud: The widespread solar energetic particle event on 2022 January 202409.04564v2 · L. Rodr'iguez-Garc'ia, R. G'omez-Herrero, N. Dresing et al.2024 · 15 citationsA&A 694, A64 (2025)
The evolution of coronal shock wave properties and their relation with solar energetic particles2406.07058v1 · Manon Jarry, Nina Dresing, Alexis P. Rouillard et al.2024 · 4 citationsA&A 692, A92 (2024)
Acceleration of electrons and ions by an "almost" astrophysical shock in the heliosphere2405.07074v1 · Immanuel Christopher Jebaraj, Oleksiy Agapitov, Vladimir Krasnoselskikh et al.2024 · 21 citationsarXiv
Internal magnetic field structures observed by PSP/WISPR in a filament related coronal mass ejection2402.14682v2 · G.M. Cappello, M. Temmer, A. Vourlidas et al.2024 · 16 citationsA&A 688, A162 (2024)
The multi-spacecraft high-energy solar particle event of 28 October 20212401.05991v1 · A. Kouloumvakos, A. Papaioannou, C. O. G. Waterfall et al.2024 · 17 citationsarXiv
Modelling two Energetic Storm Particle Events Observed by Solar Orbiter Using the Combined EUHFORIA and iPATH Models2311.08346v1 · Zheyi Ding, Gang Li, Glenn Mason et al.2023 · 18 citationsarXiv
Relativistic electron beams accelerated by an interplanetary shock2311.05765v2 · Immanuel C. Jebaraj, Nina Dresing, Vladimir Krasnoselskikh et al.2023 · 19 citationsarXiv
Variability of the slow solar wind: New insights from modelling and PSP-WISPR observations2307.05294v3 · Nicolas Poirier, Victor R'eville, Alexis P. Rouillard et al.2023 · 17 citationsA&A 677, A108 (2023)
The effect of the ambient solar wind medium on a CME-driven shock and the associated gradual solar energetic particle event2305.09525v1 · Nicolas Wijsen, David Lario, Beatriz S'anchez-Cano et al.2023 · 33 citationsarXiv
HelioCast: heliospheric forecasting based on white-light observations of the solar corona. I. Solar minimum conditions2303.14972v2 · Victor R'eville, Nicolas Poirier, Athanasios Kouloumvakos et al.2023 · 0 citationsarXiv
The 17 April 2021 widespread solar energetic particle event2303.10969v1 · N. Dresing, L. Rodr'iguez-Garc'ia, I. C. Jebaraj et al.2023 · 49 citationsA&A 674, A105 (2023)
Parametric study of the kinematic evolution of coronal mass ejection shock waves and their relation to flaring activity2303.08663v1 · Manon Jarry, Alexis P. Rouillard, Illya Plotnikov et al.2023 · 4 citationsA&A 672, A127 (2023)
Multiple injections of energetic electrons associated with the flare/CME event on 9 October 20212301.03650v2 · Immanuel Christopher Jebaraj, Athanasios Kouloumvakos, Nina Dresing et al.2023 · 27 citationsA&A 675, A27 (2023)
Solar activity relations in energetic electron events measured by the MESSENGER mission2212.01592v2 · L. Rodr'iguez-Garc'ia, L. A. Balmaceda, R. G'omez-Herrero et al.2022 · 6 citationsA&A 674, A145 (2023)
Solar energetic electron events measured by MESSENGER and Solar Orbiter. Peak intensity and energy spectrum radial dependences: statistical analysis2211.11054v1 · L. Rodr'iguez-Garc'ia, R. G'omez-Herrero, N. Dresing et al.2022 · 19 citationsA&A 670, A51 (2023)
Single-spacecraft techniques for shock parameters estimation: A systematic approach2210.10328v1 · Domenico Trotta, Laura Vuorinen, Heli Hietala et al.2022 · 45 citationsFrontiers in Astronomy and Space Sciences, Vol. 9, Year 2022
Solar-MACH: An open-source tool to analyze solar magnetic connection configurations2210.00819v2 · Jan Gieseler, Nina Dresing, Christian Palmroos et al.2022 · 129 citationsFront. Astron. Space Sci. 9:1058810 (2023)
The First Ground Level Enhancement of Solar Cycle 25 on 28 October 20212202.07927v1 · A. Papaioannou, A. Kouloumvakos, A. Mishev et al.2022 · 62 citationsA&A 660, L5 (2022)
Constraining Global Coronal Models with Multiple Independent Observables2201.11818v2 · Samuel T. Badman, David H. Brooks, Nicolas Poirier et al.2022 · 30 citationsarXiv
Flux ropes and dynamics of the heliospheric current sheet2112.07445v1 · V. R'eville, N. Fargette, A.P. Rouillard et al.2021 · 44 citationsA&A 659, A110 (2022)
Solar wind rotation rate and shear at coronal hole boundaries, possible consequences for magnetic field inversions2104.08393v1 · R. F. Pinto, N. Poirier, A. P. Rouillard et al.2021 · 15 citationsA&A 653, A92 (2021)
On the origin of hard X-ray emissions from the behind-the-limb flare on 2014 September 12101.05401v1 · Yihong Wu, Alexis P. Rouillard, Athanasios Kouloumvakos et al.2021 · 5 citationsarXiv
Evidence for a Coronal Shock Wave Origin for Relativistic Protons Producing Solar Gamma-Rays and Observed by Neutron Monitors at Earth2004.00355v2 · Athanasios Kouloumvakos, Alexis P. Rouillard, Gerald H. Share et al.2020 · 36 citationsarXiv
Coronal Bright Points as possible sources of density variations in the Solar Corona2003.05770v1 · L'ea Griton, Rui F. Pinto, Nicolas Poirier et al.2020 · 10 citationsarXiv
Modeling the Early Evolution of a Slow Coronal Mass Ejection Imaged by the Parker Solar Probe2002.08756v1 · Alexis P. Rouillard, Nicolas Poirier, Michael Lavarra et al.2020 · 29 citationsarXiv
Relating streamer flows to density and magnetic structures at the Parker Solar Probe2001.01993v1 · Alexis P. Rouillard, Athanasios Kouloumvakos, Angelos Vourlidas et al.2020 · 68 citationsApJS (2020) 246 37
Detailed imaging of coronal rays with the Parker Solar Probe1912.09345v2 · Nicolas Poirier, Athanasios Kouloumvakos, Alexis P. Rouillard et al.2019 · 34 citationsApJS (2020) 246 60
WISPR Imaging of a Pristine CME1912.02255v1 · Phillip Hess, Alexis Rouillard, Athanasios Kouloumvakos et al.2019 · 43 citationsarXiv
Near-Sun observations of an F-corona decrease and K-corona fine structure.31802002 · Howard, R A, Vourlidas, A, Bothmer, V et al.2020 · 116 citationsNature. 2019;576(7786):232-236
Sources of solar energetic particles.31079581 · Vlahos, Loukas, Anastasiadis, Anastasios, Papaioannou, Athanasios et al.2023 · 41 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2019;377(2148):20180095
Solar energetic particles in the inner heliosphere: status and open questions.31079582 · Anastasiadis, Anastasios, Lario, David, Papaioannou, Athanasios et al.2026 · 62 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2019;377(2148):20180100
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