Zhang, Z.; Hagfors, T.; Nielsen, E.; Picardi, G.; Mesdea, A.; Plaut, J. J.: Dielectric properties of the Martian south polar layered deposits: MARSIS data inversion using Bayesian inference and genetic algorithm. Journal Geophysical Research 113, E05004 (2008)
Kosch, M. J.; Pedersen, T.; Rietveld, M. T.; Gustavsson, B.; Grach, S. M.; Hagfors, T.: Artificial optical emissions in the high-latitude thermosphere induced by powerful radio waves: An observational review. Advances in Space Research 40 (3), pp. 365 - 376 (2007)
Plaut, J. J.; Picardi, G.; Safaeinili, A.; Ivanov, A. B.; Milkovich, S. M.; Cicchetti, A.; Kofman, W.; Mouginot, J.; Farrell, W. M.; Phillips, R. J.et al.; Clifford, S. M.; Frigeri, A.; Orosei, R.; Federico, C.; Williams, I. P.; Gurnett, D. A.; Nielsen, E.; Hagfors, T.; Heggy, E.; Stofan, E. R.; Plettemeier, D.; Watters, T. R.; Leuschen, C. J.; Edenhofer, P.: Subsurface radar sounding of the south polar layered deposits of Mars. Science 316, pp. 92 - 95 (2007)
Buchert, S. C.; Hagfors, T.; McKenzie, J. F.: Effect of electrojet irregularities on DC current flow. Journal Geophysical Research 111 (A2), A02305 (2006)
Tereshchenko, E. D.; Khudukon, B. Z.; Rietveld, M. T.; Isham, B.; Hagfors, T.; Brekke, A.: The relationship between small-scale and large-scale ionospheric electron density irregularities generated by powerful HF electromagnetic waves at high latitudes. Annales Geophysicae 24 (11), pp. 2901 - 2909 (2006)
Tereshchenko, E. D.; Yurik, R. Y.; Khudukon, B. Z.; Rietveld, M. T.; Isham, B.; Belyey, V.; Brekke, A.; Hagfors, T.; Grill, M.: Directional features of the downshifted peak observed in HF-induced stimulated electromagnetic emission spectra obtained using an interferometer. Annales Geophysicae 24 (7), pp. 1819 - 1827 (2006)
Blixt, E. M.; Grydeland, T.; Ivchenko, N.; Hagfors, T.; La Hoz, C.; Lanchester, B. S.; Løvhaug, U. P.; Trondsen, T. S.: Dynamic rayed aurora and enhanced ion-acoustic radar echoes. Annales Geophysicae 23 (1), pp. 3 - 11 (2005)
Isham, B.; Hagfors, T.; Khudukon, B.; Yurik, R. Y.; Tereshchenko, E. D.; Rietveld, M. T.; Belyey, V.; Grill, M.; La Hoz, C.; Brekke, A.et al.; Heinselman, C.: An interferometer experiment to explore the aspect angle dependence of stimulated electromagnetic emission spectra. Annales Geophysicae 23 (1), pp. 55 - 74 (2005)
McKenzie, J. F.; Hagfors, T.: Parametric resonances revisited: comparison with kinetic description. Journal of Plasma Physics 71 (5), pp. 579 - 587 (2005)
Picardi, G.; Jeffrey, P. J.; Biccari, D.; Bombaci, O.; Calabrese, D.; Cartacci, M.; Cicchetti, A.; Clifford, S. M.; Edenhofer, P.; Farrell, W. M.et al.; Federico, C.; Frigeri, A.; Gurnett, D. A.; Hagfors, T.; Heggy, E.; Herique, A.; Huff, R. L.; Ivanov, A. B.; Johnson, W. T. K.; Jordan, R. L.; Kirchner, D. L.; Kofman, W.; Leuschen, C. J.; Nielsen, E.; Orosei, R.; Pettinelli, E.; Phillips, R. J.; Plettemeier, D.; Safaeinili, A.; Seu, R.; Stofan, E. R.; Vannaroni, G.; Watters, T. R.; Zampolini, E.: Radar soundings of the subsurface of Mars. Science 310, pp. 1925 - 1928 (2005)
Djuth, F. T.; Isham, B.; Rietveld, M. T.; Hagfors, T.; La Hoz, C.: First 100 ms of HF modification at Tromso, Norway. Journal Geophysical Research 109 (A11), A11307 (2004)
Grydeland, T.; Blixt, E. M.; Løvhaug, U. P.; Hagfors, T.; La Hoz, C.; Trondsen, T. S.: Interferometric radar observations of filamented structures due to plasma instabilities and their relation to dynamic auroral rays. Annales Geophysicae 22 (4), pp. 1115 - 1132 (2004)
Cierpka, K.; Kosch, M. J.; Holma, H.; Kavanagh, A. J.; Hagfors, T.: Novel Fabry-Perot interferometer measurements of F-region ion temperature. Geophysical Research Letters 30 (6), 1293 (2003)
Grydeland, T.; La Hoz, C.; Hagfors, T.; Blixt, E. M.; Saito, S.; Strømme, A.; Brekke, A.: Interferometric observations of filamentary structures associated with plasma instability in the auroral ionosphere. Geophysical Research Letters 30, 1338 (2003)
Ilyushin, Y. A.; Hagfors, T.; Kunitsyn, V. E.: Cometary surface layer properties: Possible approach to radio sounding retrieval during the CONSERT experiment - Numerical simulation and discussion. Radio Science 38 (1), 1008 (2003)
Kosch, M. J.; Rietveld, M. T.; Kavanagh, A. J.; Davis, C.; Yeoman, T.; Honary, F.; Hagfors, T.: High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic. Geophysical Research Letters 29 (23), 2112 (2002)
Application deadline 1 October 2024. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
First Light for Sunrise III: the first tests with real sunlight were successful. The balloon-borne solar observatory should be ready for launch at the end of May.
In analyzing solar observations from the 19th century, scientists are turning to amateur researchers for help. The project will allow to better understand the history of our star.
Astronomical teamwork: By combining data from Solar Orbiter and SDO, a group of researchers has unambiguously determined the magnetic field at the solar surface.
Application deadline 1 October 2023. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
Philipp Löschl has co-authored an excellent publication on Solar Orbiter data which has been awarded best Solar Physics paper of 2022 (Gherardo Valori et al. 2022)