Alexandr Afanasiev

- Senior Research Fellow,
Space Research Laboratory (Department of Physics and Astronomy)

alexandr.afanasiev@utu.fi

: https://orcid.org/0000-0001-9325-6758

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Shock and SEP Modeling Study for the 2022 September 5 SEP Event (2025)
- Astrophysical Journal
Kouloumvakos, A.; Wijsen, N.; Jebaraj, I. C.; Afanasiev, A.; Lario, D.; Cohen, C. M. S.; Riley, P.; Mitchell, D. G.; Ding, Z.; Vourlidas, A.; Giacalone, J.; Chen, X.; Hill, M. E.
Towards advanced forecasting of solar energetic particle events with the PARASOL model (2025)
- Journal of Space Weather and Space Climate
Afanasiev, Alexandr; Wijsen, Nicolas; Vainio, Rami
Acceleration of Electrons and Ions by an ``Almost'' Astrophysical Shock in the Heliosphere (2024)
- Astrophysical Journal Letters
Jebaraj, Immanuel Christopher; Agapitov, Oleksiy; Krasnoselskikh, Vladimir; Vuorinen, Laura; Gedalin, Michael; Choi, Kyung-Eun; Palmerio, Erika; Wijsen, Nicolas; Dresing, Nina; Cohen, Christina; Kouloumvakos, Athanasios; Balikhin, Michael; Vainio, Rami; Kilpua, Emilia; Afanasiev, Alexandr; Verniero, Jaye; Mitchell, John Grant; Trotta, Domenico; Hill, Matthew; Raouafi, Nour; Bale, Stuart D.
Effects of adiabatic focusing and free-escape boundaries in coronal shock acceleration (2024)
- Journal of Space Weather and Space Climate
Annie John, Lidiya; Nyberg, Seve; Vuorinen, Laura; Vainio, Rami; Afanasiev, Alexandr; Poedts, Stefaan; Wijsen, Nicolas
Energetic seed particles in self-consistent particle acceleration modeling at interplanetary shock waves (2024)
- Astronomy and Astrophysics
Nyberg, S.; Vuorinen, L.; Afanasiev, A.; Trotta, D.; Vainio, R.
On the role of interplanetary shocks in accelerating MeV electrons (2023)
- Astronomy and Astrophysics
Talebpour Sheshvan N, Dresing N, Vainio R, Afanasiev A, Morosan DE
Self-consistent modeling of the energetic storm particle event of November 10, 2012 (2023)
- Astronomy and Astrophysics
Afanasiev Alexandr, Vainio Rami, Trotta Domenico, Nyberg Seve, Talebpour Sheshvan Nasrin, Hietala Heli, Dresing Nina
The Effect of the Ambient Solar Wind Medium on a CME-driven Shock and the Associated Gradual Solar Energetic Particle Event (2023)
- Astrophysical Journal
Wijsen Nicolas, Lario David, Sánchez-Cano Beatriz, Jebaraj Immanuel C., Dresing Nina, Richardson Ian G., Aran Angels, Kouloumvakos Athanasios, Ding Zheyi, Niemelä Antonio, Palmerio Erika, Carcaboso Fernando, Vainio Rami, Afanasiev Alexandr, Pinto Marco, Pacheco Daniel, Poedts Stefaan, Heyner Daniel
Influence of Large-scale Interplanetary Structures on the Propagation of Solar Energetic Particles: The Multispacecraft Event on 2021 October 9 (2022)
- Astrophysical Journal
Lario D, Wijsen N, Kwon RY, Sanchez-Cano B, Richardson IG, Pacheco D, Palmerio E, Stevens ML, Szabo A, Heyner D, Dresing N, Gomez-Herrero R, Carcaboso F, Aran A, Afanasiev A, Vainio R, Riihonen E, Poedts S, Bruden M, Xu ZG, Kollhoff A
Observation-based modelling of the energetic storm particle event of 14 July 2012 (2022)
- Astronomy and Astrophysics
Wijsen N., Aran A., Scolini C., Lario D., Afanasiev A., Vainio R., Sanahuja B., Pomoell J., Poedts S.
On the Origin of Hard X-Ray Emissions from the Behind-the-limb Flare on 2014 September 1 (2021)
- Astrophysical Journal
Wu Yihong, Rouillard Alexis P, Kouloumvakos Athanasios, Vainio Rami, Afanasiev Alexandr N, Plotnikov Illya, Murphy Ronald J, Mann Gottfried J, Warmuth Alexander
A New Method to Model Magnetic Cloud-driven Forbush Decreases: The 2016 August 2 Event (2020)
- Astrophysical Journal
Benella Simone, Laurenza Monica, Vainio Rami, Grimani Catia, Consolini Giuseppe, Hu Qiang, Afanasiev Alexandr
EUropean Heliospheric FORecasting Information Asset 2.0 (2020)
- Journal of Space Weather and Space Climate
Poedts Stefaan, Lani Andrea, Scolini Camilla, Verbeke Christine, Wijsen Nicolas, Lapenta Giovanni, Laperre Brecht, Millas Dimitrios, Innocenti Maria Elena, Chané Emmanuel, Baratashvili Tinatin, Samara Evangelia, Van der Linden Ronald, Rodriguez Luciano, Vanlommel Petra, Vainio Rami, Afanasiev Alexandr, Kilpua Emilia, Pomoell Jens, Sarkar Ranadeep, Aran Angels, Sanahuja Blai, Paredes Josep M., Clarke Ellen, Thomson Alan, Rouilard Alexis, Pinto Rui F., Marchaudon Aurélie, Blelly Pierre-Louis, Gorce Blandine, Plotnikov Illya, Kouloumvakos Athanasis, Heber Bernd, Herbst Konstantin, Kochanov Andrey, Raeder Joachim, Depauw Jan
Connecting the Properties of Coronal Shock Waves with Those of Solar Energetic Particles (2019)
- Astrophysical Journal
Kouloumvakos A, Rouillard AP, Wu YH, Vainio R, Vourlidas A, Plotnikov I, Afanasiev A, Onel H
FORESAIL‐1 CubeSat Mission to Measure Radiation Belt Losses and Demonstrate Deorbiting (2019)
- Journal of Geophysical Research: Space Physics
M. Palmroth, J. Praks, R. Vainio, P. Janhunen, E. K. J. Kilpua, A. Afanasiev, M. Ala‐Lahti, A. Alho, T. Asikainen, E. Asvestari, M. Battarbee, A. Binios, A. Bosser, T. Brito, M. Dubart, J. Envall, U. Ganse, N. Yu. Ganushkina, H. George, J. Gieseler, S. Good, M. Grandin, S. Haslam, H.‐P. Hedman, H. Hietala, N. Jovanovic, S. Kakakhel, M. Kalliokoski, V. V. Kettunen, T. Koskela, E. Lumme, M. Meskanen, D. Morosan, M. Rizwan Mughal, P. Niemelä, S. Nyman, P. Oleynik,
A. Osmane, E. Palmerio, J. Peltonen, Y. Pfau‐Kempf, J. Plosila, J. Polkko, S. Poluianov, J. Pomoell, D. Price, A. Punkkinen, R. Punkkinen, B. Riwanto, L. Salomaa, A. Slavinskis, T. Säntti, J. Tammi, H. Tenhunen, P. Toivanen, J. Tuominen, L. Turc, E. Valtonen, P. Virtanen, T. Westerlund
Charged Particle Transport in the Interplanetary Medium (2018) Solar Particle Radiation Storms Forecasting and Analysis: The HESPERIA HORIZON 2020 Project and Beyond Angels Aran, Neus Agueda, Alexandr Afanasiev, Blai Sanahuja
Modelling of proton acceleration in application to a ground level enhancement (2018)
- Astronomy and Astrophysics
Afanasiev A, Vainio R, Rouillard AP, Battarbee M, Aran A, Zucca P
Modelling of Shock-Accelerated Gamma-Ray Events (2018) Solar Particle Radiation Storms Forecasting and Analysis: The HESPERIA HORIZON 2020 Project and Beyond Alexandr Afanasiev, Angels Aran, Rami Vainio, Alexis Rouillard, Pietro Zucca, David Lario, Suvi Barcewicz, Robert Siipola, Jens Pomoell, Blai Sanahuja, Olga E. Malandraki
Particle Acceleration Mechanisms (2018) Solar Particle Radiation Storms Forecasting and Analysis: The HESPERIA HORIZON 2020 Project and Beyond Rami Vainio, Alexandr Afanasiev
Why is solar cycle 24 an inefficient producer of high-energy particle events? (2017)
- Astronomy and Astrophysics
Vainio R, Raukunen O, Tylka AJ, Dietrich WF, Afanasiev A