Müller, B.; Hohage, T.; Fournier, D.; Gizon, L.: Quantitative passive imaging by iterative holography: the example of helioseismic holography. Inverse Problems 40, S. 045016 (2024)
Fournier, D.; Gizon, L.; Hyest, L.: Viscous inertial modes on a differentially rotating sphere: Comparison with solar observations. Astronomy and Astrophysics 664, S. A6 (2022)
Poulier, P.-L.; Liang, Z.-C.; Fournier, D.; Gizon, L.: Contribution of flows around active regions to the north-south helioseismic travel-time measurements. Astronomy and Astrophysics 664, S. A189 (2022)
Kostogryz, N. M.; Fournier, D.; Gizon, L.: Modelling continuum intensity perturbations caused by solar acoustic oscillations. Astronomy and Astrophysics 654, A1 (2021)
Barucq, H.; Faucher, F.; Fournier, D.; Gizon, L.; Pham, a. H.: Efficient and accurate algorithm for the full modal green's kernel of the scalar wave equation in helioseismology. SIAM Journal on Applied Mathematics 80 (6), S. 2657 - 2683 (2020)
Gizon, L.; Fournier, D.; Albekioni, M.: Effect of latitudinal differential rotation on solar Rossby waves: Critical layers, eigenfunctions, and momentum fluxes in the equatorial β plane. Astronomy and Astrophysics 642, A178 (2020)
Goddard, C.; Birch, A.; Fournier, D.; Gizon, L.: Predicting frequency changes of global-scale solar Rossby modes due to solar cycle changes in internal rotation. Astronomy and Astrophysics 640, L10 (2020)
Fournier, D.; Hanson, C. S.; Gizon, L.; Barucq, H.: Sensitivity kernels for time-distance helioseismology: Efficient computation for spherically symmetric solar models. Astronomy and Astrophysics 616, A 156 (2018)
Pourabdian, M.; Fournier, D.; Gizon, L.: Comparison of Travel-Time and Amplitude Measurements for Deep-Focusing Time–Distance Helioseismology. Solar Physics 293, 66 (2018)
Pourabdian, M.; Gizon, L.; Hohage, T.; Fournier, D.; Hanson, C. S.: Comparison of full-waveform and travel-time inversions in helioseismology. 14th International Conference on Mathematical and Numerical Aspects of Wave Propagation (WAVES2019), Vienna, Austria (2019)
Gizon, L.; Fournier, D.; Hohage, T.: Problems in computational helioseismology. Workshop: Computational Inverse Problems for Partial Differential Equations , Mathematical Research Institute, Oberwolfach, Germany (2017)
Yang, D.; Gizon, L.; Fournier, D.; Lindsey, C.: Improved helioseismic imaging of the farside. Dynamics of the Sun and Stars: Honoring the Life and Work of Michael J. Thompson,, Boulder, USA (2019)
Pourabdian, M.; Gizon, L.; Hohage, T.; Fournier, D.; Hanson, C. S.: Optimal averaging for helioseismic measurements using the singular value decomposition. XXXth General Assembly of the International Astronomical Union, Vienna, Austria (2019)
First Light für Sunrise III: Die ersten Tests mit Sonnenlicht waren erfolgreich. Ende Mai dürfte das ballongetragene Sonnenobservatorium startklar sein.
Erst eisige Kälte, dann Mitternachtssonne: Am Polarkreis bereitet das Team den Flug des ballongetragenen Sonnenobservatoriums vor – und hofft auf ein solares Feuerwerk.
Bewerbungsfrist 1 Oktober 2023. Promotionsprojekte in Planetenwissenschaften, Sonnenphysik, Astrophysik, Magnetfelder der Sonne, Helioseismologie, Asteroseismologie ...
In der mittleren Korona der Sonne entdeckt ein Forscherteam netzartige, dynamische Plasmastrukturen – und einen wichtigen Hinweis auf den Antrieb des Sonnenwindes.