University of Oulu

Ilya Usoskin

CV
The group
List of publications
Position Professor, Head of Oulu Cosmic Ray station
Vice-Director of ReSoLVE Center of Excellence
Address: Sodankyla Geophysical Observatory (Oulu unit) and Dept. of Physics
P.O.Box 3000, FIN-90014 University of Oulu
FINLAND
Telephone: +358-50-3441247
e-mail:
Room: FY256-A
Official website: Ilya Usoskin
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Recent publications:
NEW -> Usoskin, I.G., A history of solar activity over millennia, Liv. Rev Solar Phys., 20, 2 (2023) doi: 10.1007/s41116-023-00036-z

  • Aguilar, M. et al. (AMS collaboration), Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer, Phys. Rev. Lett., 130, 211002 (2023) doi: 10.1103/PhysRevLett.130.211002
  • Vaisanen, P., I. Usoskin, R. Kahkonen, S. Koldobskiy, K. Mursula, Revised Reconstruction of the Heliospheric Modulation Potential for 1964-2022, J. Geophys. Res. (Space Phys.) 128, e2023JA031352 (2023) doi: 10.1029/2023JA031352.
  • Aguilar, M. et al. (AMS collaboration), Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays, Phys. Rev. Lett., 130, 161001 (2023) doi:10.1103/PhysRevLett.130.161001.
  • Clette, F., L. Lefevre, T. Chatzistergos, ... I.G. Usoskin, L. van Driel-Gesztelyi, J.M. Vaquero, Recalibration of the Sunspot-Number: Status Report, Solar Phys. 298, 44, (2023) doi: 10.1007/s11207-023-02136-3.
  • Biswas, A., B.B. Karak, I. Usoskin, E. Weisshaar, Long-Term Modulation of Solar Cycles, Space Sci. Rev., 219, 19 (2023) doi: 10.1007/s11214-023-00968-w.
  • Koldobskiy, S., F. Mekhaldi, G. Kovaltsov, I. Usoskin, Multiproxy Reconstructions of Integral Energy Spectra for Extreme Solar Particle Events of 7176 BCE, 660 BCE, 775 CE, and 994 CE, J. Geophys. Res. (Space Phys.), 128, e2022JA031186 (2023) doi: 10.1029/2022JA031186
  • Usoskin, I.G., S.A. Koldobskiy, S.V. Poluianov, O. Raukunen, R. Vainio, G.A. Kovaltsov, Consistency of the average flux of solar energetic particles over timescales of years to megayears, Astron. Astrophys. Lett., 670, L22 (2023), doi: 10.1051/0004-6361/202245810.
  • Larsen, N., A. Mishev, I. Usoskin, A New Open-Source Geomagnetosphere Propagation Tool (OTSO) and Its Applications, J. Geophys. Res. (Space Phys.), 128, e2022JA031061 (2023) doi: 10.1029/2022JA031061

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