Items created by Laitinen, Timo Lauri mikael

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Waterfall, Charlotte, Dalla, Silvia ORCID: 0000-0002-7837-5780, Marsh, M. S., Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Hutchinson, Adam (2023) Forecasting >300 MeV SEP Events: Extending SPARX to High Energies. Space Weather, 21 (6).

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780, Waterfall, Charlotte and Hutchinson, Adam (2023) Solar energetic particle event onsets at different heliolongitudes: The effect of turbulence in Parker spiral geometry. Astronomy & Astrophysics, 673 . ISSN 0004-6361

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780, Waterfall, Charlotte and Hutchinson, Adam (2023) An analytical model of turbulence in Parker spiral geometry and associated magnetic field line lengths. Astrophysical Journal, 943 (2). ISSN 0004-637X

Hutchinson, Adam, Dalla, Silvia ORCID: 0000-0002-7837-5780, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Waterfall, Charlotte (2023) Modelling shock-like injections of solar energetic particles with 3D test particle simulations. Astronomy & Astrophysics . ISSN 0004-6361

Hutchinson, Adam, Dalla, Silvia ORCID: 0000-0002-7837-5780, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Waterfall, Charlotte (2023) The impact of corotation on gradual solar energetic particle event intensity profiles. Astronomy & Astrophysics . ISSN 0004-6361

Waterfall, Charlotte, Dalla, Silvia ORCID: 0000-0002-7837-5780, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Hutchinson, Adam and Marsh, Mike (2022) Modelling the transport of relativistic solar protons along a heliospheric current sheet during historic GLE events. The Astrophysical Journal .

Hutchinson, Adam, Dalla, Silvia ORCID: 0000-0002-7837-5780, Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783, de Nolfo, Georgia, Bruno, Alessandro, Ryan, James M. and Waterfall, Charlotte O.G. (2022) Energetic proton back-precipitation onto the solar atmosphere in relation to long-duration gamma-ray flares. Astronomy and Astrophysics, 658 . ISSN 0004-6361

Kollhoff, A., Kouloumvakos, A., Lario, D., Dresing, N., Gómez-Herrero, R., Rodríguez-García, L., Malandraki, O. E., Richardson, I. G., Posner, A. et al (2021) The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29. Astronomy and Astrophysics . ISSN 0004-6361

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2020) "Access of energetic particles to a magnetic flux rope from external magnetic field lines". The Astrophysical Journal, 906 (1). ISSN 0004-637X

Strauss, R D, van den Berg, J P, Steyn, P J, Effenberger, F J, Wijsen, N, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and le Roux, J A (2020) Perpendicular diffusion of solar energetic particles: When is the diffusion approximation valid? Journal of Physics: Conference Series, 1620 (1). 012021. ISSN 1742-6588

Dalla, Silvia ORCID: 0000-0002-7837-5780, Nolfo, G. De, Bruno, A., Giacalone, J., Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Thomas, S., Batterbee, M. and Marsh, M.S (2020) 3D propagation of relativistic solar protons through interplanetary space. Astronomy and Astrophysics, 639 (A105). ISSN 0004-6361

Kocharov, Leon, Pesce-Rollins, Melissa, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Mishev, Alexander, Kühl, Patrick, Klassen, Andreas, Jin, Meng, Omodei, Nicola, Longo, Francesco et al (2020) Interplanetary Protons versus Interacting Protons in the 2017 September 10 Solar Eruptive Event. The Astrophysical Journal, 890 (1). p. 13. ISSN 0004-637X

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2019) From Sun to Interplanetary Space: What is the Pathlength of Solar Energetic Particles? The Astrophysical Journal, 887 (2). p. 222. ISSN 0004-637X

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780, Battarbee, Markus ORCID: 0000-0001-7055-551X and Marsh, M.S. (2018) Forecasting Solar Energetic Particle Fluence with Multi-Spacecraft Observations. Proceedings of IAU Symposium 335: Space Weather of the Heliosphere: Processes and Forecasts, 13 (s335). pp. 298-300. ISSN 1743-9213

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Effenberger, Frederic, Kopp, Andreas and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2018) The effect of turbulence strength on meandering field lines and Solar Energetic Particle event extents. Journal of Space Weather and Space Climate, 8 (A13).

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780 and Marriott, D. (2017) Early propagation of energetic particles across the mean field in turbulent plasmas. Monthly Notices of the Royal Astronomical Society, 470 (3). pp. 3149-3158. ISSN 0035-8711

Kocharov, Leon, Pohjolainen, Silja, Mishev, Alexander, Reiner, Mike J, Lee, Jeongwoo, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Didkovsky, Leonid V, Pizzo, Victor J, Roksoon, Kim et al (2017) Investigating the origins of two extreme solar particle events: proton source profile and associated electromagnetic emissions. The Astrophysical Journal, 839 (79). ISSN 0004-637X

Dalla, Silvia ORCID: 0000-0002-7837-5780, Marsh, Michael, Zelina, p and Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 (2017) Time dependence of Fe/O ratio within a 3D solar energetic particle propagation model including drift. Astronomy and astrophysics, 598 . ISSN 0004-6361

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2017) Energetic particle transport across the mean magnetic field: before diffusion. The Astrophysical Journal, 834 (2). p. 127. ISSN 0004-637X

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Kopp, A, Effenberger, F, Dalla, S ORCID: 0000-0002-7837-5780 and Marsh, M.S. (2016) Solar energetic particle access to distant longitudes through turbulent field-line meandering. Astronomy and Astrophysics, 591 . A18. ISSN 0004-6361

Dalla, Silvia ORCID: 0000-0002-7837-5780, Marsh, Michael and Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 (2015) Drift-induced deceleration of Solar Energetic Particles. Astrophysical Journal, 808 (1). ISSN 0004-637X

Laitinen, Timo ORCID: 0000-0002-7719-7783, Huttunen-Heikinmaa, K, Valtonen, E and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2015) Correcting for interplanetary scattering in velocity dispersion analysis of solar energetic particles. The Astrophysical Journal, 806 (1). ISSN 0004-637X

Kocharov, L, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, Vainio, R, Afanasiev, A, Mursula, M and Ryan, JM (2015) Solar interacting protons versus interplanetary protons in the core plus halo model of diffusive shock acceleration and stochastic re-acceleration. The Astrophysical Journal, 806 (80). ISSN 0004-637X

Marsh, M.S., Dalla, Silvia ORCID: 0000-0002-7837-5780, Dierckxsens, M, Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783 and Crosby, N.B. (2015) SPARX: A modeling system for Solar Energetic Particle Radiation SpaceWeather forecasting. Space Weather: The International, 13 (6). pp. 386-394. ISSN 1539-4956

Kocharov, Leon, Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783, Usoskin, Ilya and Vainio, Rami (2014) Transmission and Emission of Solar Energetic Particles in Semi-transparent Shocks. Astrophysical Journal Letters, 787 (2). L21.

Vainio, Rami, Pönni, Arttu, Battarbee, Markus, Koskinen, Hannu E. J., Afanasiev, Alexandr and Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783 (2014) A semi-analytical foreshock model for energetic storm particle events inside 1 AU. Journal of Space Weather and Space Climate, 4 . A08. ISSN 2115-7251

Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780, Kelly, J. and Marsh, Michael (2013) ENERGETIC PARTICLE DIFFUSION IN CRITICALLY BALANCED TURBULENCE. The Astrophysical Journal, 764 (2). pp. 168-176. ISSN 0004-637X

Marsh, Michael, Dalla, Silvia ORCID: 0000-0002-7837-5780, Kelly, J. and Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783 (2013) Drift induced perpendicular transport of solar energetic particles. The Astrophysical Journal, 774 (1). p. 4. ISSN 0004-637X

Kocharov, Leon, Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783 and Vainio, Rami (2013) THE EFFECT OF TURBULENCE INTERMITTENCE ON THE EMISSION OF SOLAR ENERGETIC PARTICLES BY CORONAL AND INTERPLANETARY SHOCKS. Astrophysical Journal, 778 (1). L5. ISSN 2041-8205

Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783, Dalla, Silvia ORCID: 0000-0002-7837-5780 and Marsh, M.S. (2013) Energetic particle cross-field propagation early in a solar event. The Astrophysical Journal, 773 (2). L29. ISSN 2041-8205

Battarbee, M., Vainio, R., Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Hietala, H. (2013) Injection of thermal and suprathermal seed particles into coronal shocks of varying obliquity. Astronomy and Astrophysics, 558 . A110. ISSN 0004-6361

Lange, S., Spanier, F., Battarbee, M., Vainio, R. and Laitinen, T. ORCID: 0000-0002-7719-7783 (2013) Particle scattering in turbulent plasmas with amplified wave modes. Astronomy & Astrophysics, 553 . A129. ISSN 0004-6361

Dalla, Silvia ORCID: 0000-0002-7837-5780, Marsh, M.S., Kelly, J. and Laitinen, T. ORCID: 0000-0002-7719-7783 (2013) Solar energetic particle drifts in the Parker spiral. Journal of Geophysical Research: Space Physics, 118 (10). pp. 5979-5985. ISSN 21699380

Kelly, J, Dalla, S. ORCID: 0000-0002-7837-5780 and Laitinen, T. ORCID: 0000-0002-7719-7783 (2012) Cross-field transport of solar energetic particles in a large-scale fluctuating magnetic field. The Astrophysical Journal, 750 (1). p. 47. ISSN 0004-637X

Battarbee, M., Laitinen, Timo Lauri Mikael ORCID: 0000-0002-7719-7783 and Vainio, R. (2011) Heavy-ion acceleration and self-generated waves in coronal shocks. Astronomy & Astrophysics, 535 (-). pp. 1-6. ISSN 0004-6361

Conference or Workshop Item

Dalla, Silvia ORCID: 0000-0002-7837-5780, Bruno, Alessandro, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783, de Nolfo, Georgia, Ryan, Jim, Hutchinson, Adam and Waterfall, Charlotte O.G. (2021) Can the number of relativistic solar proton 1 AU crossings be determined from neutron monitor data? In: 37th International Cosmic Ray Conference (ICRC2021), 12-23 July 2021, Online – Berlin, Germany.

Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Dalla, Silvia ORCID: 0000-0002-7837-5780 (2021) Access of cosmic rays to an ICME from external field lines. In: 37th International Cosmic Ray Conference (ICRC 2021), 12-23 July 2021, Online – Berlin, Germany.

Dalla, Silvia ORCID: 0000-0002-7837-5780, Swalwell, Bill Anthony ORCID: 0000-0002-8411-8000, Battarbee, Markus ORCID: 0000-0001-7055-551X, Marsh, M.S, Laitinen, Timo Lauri mikael ORCID: 0000-0002-7719-7783 and Proctor, S.J. (2018) Application of Test Particle Simulations to Solar Energetic Particle Forecasting. In: Space Weather of the Helisophere: Processes and Forecasts, July 2017.

Kelly, J., Dalla, S. and Laitinen, T. ORCID: 0000-0002-7719-7783 (2012) Test-particle simulations of SEP propagation in IMF with large-scale fluctuations. In: AIP Conference.