| Ionospheric currents estimated simultaneously from CHAMP satelliteand IMAGE ground-based magnetic field measurements: a statisticalstudy at auroral latitudes P Ritter, H Lühr, A Viljanen, O Amm, A Pulkkinen, I Sillanpää Annales Geophysicae 22 (2), 417-430, 2004 | 68 | 2004 |
| Titan in subsonic and supersonic flow E Kallio, I Sillanpää, P Janhunen Geophysical Research Letters 31 (15), 2004 | 55 | 2004 |
| Hybrid simulation study of ion escape at Titan for different orbital positions I Sillanpää, E Kallio, P Janhunen, W Schmidt, K Mursula, J Vilppola, ... Advances in Space Research 38 (4), 799-805, 2006 | 44 | 2006 |
| Oxygen ion escape from Venus in a global hybrid simulation: role of the ionospheric O+ ions R Jarvinen, E Kallio, P Janhunen, S Barabash, TL Zhang, V Pohjola, ... Annales Geophysicae 27 (11), 4333-4348, 2009 | 38 | 2009 |
| Oxygen ion escape from Venus in a global hybrid simulation: role of the ionospheric O+ ions R Jarvinen, E Kallio, P Janhunen, S Barabash, TL Zhang, V Pohjola, ... Annales Geophysicae 27 (11), 4333-4348, 2009 | 38 | 2009 |
| Oxygen ions at Titan's exobase in a Voyager 1–type interaction from a hybrid simulation I Sillanpää, E Kallio, R Jarvinen, P Janhunen Journal of Geophysical Research: Space Physics 112 (A12), 2007 | 35 | 2007 |
| Electron Fluxes at Geostationary Orbit From GOES MAGED Data I Sillanpää, NY Ganushkina, S Dubyagin, JV Rodriguez Space Weather 15 (12), 1602-1614, 2017 | 34 | 2017 |
| The Venusian induced magnetosphere: A case study of plasma and magnetic field measurements on the Venus Express mission E Kallio, TL Zhang, S Barabash, R Jarvinen, I Sillanpää, P Janhunen, ... Planetary and Space Science 56 (6), 796-801, 2008 | 29 | 2008 |
| Cassini observations of ionospheric photoelectrons at large distances from Titan: Implications for Titan's exospheric environment and magnetic tail A Wellbrock, AJ Coates, I Sillanpää, GH Jones, CS Arridge, GR Lewis, ... Journal of Geophysical Research: Space Physics 117 (A3), 2012 | 27 | 2012 |
| Morphology of the magnetic field near Titan: Hybrid model study of the Cassini T9 flyby E Kallio, I Sillanpää, R Jarvinen, P Janhunen, M Dougherty, C Bertucci, ... Geophysical Research Letters 34 (24), 2007 | 27 | 2007 |
| Solar wind‐driven variations of electron plasma sheet densities and temperatures beyond geostationary orbit during storm times S Dubyagin, NY Ganushkina, I Sillanpää, A Runov Journal of Geophysical Research: Space Physics 121 (9), 8343-8360, 2016 | 26 | 2016 |
| Hybrid modelling the Pioneer Venus Orbiter magnetic field observations R Jarvinen, E Kallio, I Sillanpää, P Janhunen Advances in Space Research 41 (9), 1361-1374, 2008 | 19 | 2008 |
| Cassini Plasma Spectrometer and hybrid model study on Titan's interaction: Effect of oxygen ions I Sillanpää, DT Young, F Crary, M Thomsen, D Reisenfeld, JE Wahlund, ... Journal of Geophysical Research: Space Physics 116 (A7), 2011 | 18 | 2011 |
| Widely different characteristics of oxygen and hydrogen ion escape from Venus R Jarvinen, E Kallio, S Dyadechkin, P Janhunen, I Sillanpää Geophysical Research Letters 37 (16), 2010 | 18 | 2010 |
| Mesoscale structure of a morning sector ionospheric shear flow region determined by conjugate Cluster II and MIRACLE ground-based observations O Amm, A Aikio, JM Bosqued, M Dunlop, A Fazakerley, P Janhunen, ... Annales Geophysicae 21 (8), 1737-1751, 2003 | 18 | 2003 |
| The role of ion-neutral collisions in Titan׳ s magnetospheric interaction I Sillanpää, RE Johnson Planetary and Space Science 108, 73-86, 2015 | 17 | 2015 |
| Ionospheric conductances derived from satellite measurements of auroral UV and X-ray emissions, and ground-based electromagnetic data: a comparison A Aksnes, O Amm, J Stadsnes, N Østgaard, GA Germany, RR Vondrak, ... Annales Geophysicae 23 (2), 343-358, 2005 | 17 | 2005 |
| Validation of Inner Magnetosphere Particle Transport and Acceleration Model (IMPTAM) with long‐term GOES MAGED measurements of keV electron fluxes at geostationary orbit NY Ganushkina, I Sillanpää, D Welling, J Haiducek, M Liemohn, ... Space Weather 17 (5), 687-708, 2019 | 16 | 2019 |
| Quiet-time magnetic variations at high latitude observatories I Sillanpää, H Lühr, A Viljanen, P Ritter Earth, planets and space 56 (1), 47-65, 2004 | 15 | 2004 |
| Ionospheric conductances derived from satellite measurements of auroral UV and X-ray emissions, and ground-based electromagnetic data: A comparison A Aksnes, O Amm, J Stadsnes, N Østgaard, GA Germany, RR Vondrak, ... Annales Geophysicae 23 (2), 343-358, 2005 | 14 | 2005 |
Pekka JanhunenFinnish Meteorological InstituteVerified email at fmi.fi
