Blar i Faculty of Mathematics and Natural Sciences på forfatter "Dandouras, Iannis"
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Daedalus: A low-flying spacecraft for in situ exploration of the lower thermosphere-ionosphere
Sarris, Theodoros E.; Talaat, Elsayed R.; Palmroth, Minna; Dandouras, Iannis; Armandillo, Errico; Kervalishvili, Guram; Buchert, S. C.; Tourgaidis, Stylianos; Malaspina, David; Jaynes, Allison N.; Paschalidis, Nikolaos; Sample, John; Halekas, Jasper; Doornbos, Eelco; Lappas, Vaios; Moretto, Therese; Stolle, Claudia; Clilverd, Mark; Wu, Qian; Sandberg, Ingmar; Pirnaris, Panagiotis; Aikio, Anita (Journal article; Peer reviewed, 2020)The Daedalus mission has been proposed to the European Space Agency (ESA) in response to the call for ideas for the Earth Observation program's 10th Earth Explorer. It was selected in 2018 as one of three candidates for a ... -
Distribution of energetic oxygen and hydrogen in the near-Earth plasma sheet
Kronberg, Elena A.; Grigorenko, Elena; Haaland, Stein; Daly, Patrick W.; Delcourt, Dominique C.; Luo, Hao; Kistler, Lynn M.; Dandouras, Iannis (Peer reviewed; Journal article, 2015-05)The spatial distributions of different ion species are useful indicators for plasma sheet dynamics. In this statistical study based on 7 years of Cluster observations, we establish the spatial distributions of oxygen ions ... -
Solar illumination control of ionospheric outflow above polar cap arcs
Maes, Lukas; Maggiolo, Romain; De Keyser, Johan; Dandouras, Iannis; Fear, Robert C.; Fontaine, Dominique; Haaland, Stein (Peer reviewed; Journal article, 2015-03-12)We measure the flux density, composition, and energy of outflowing ions above the polar cap, accelerated by quasi-static electric fields parallel to the magnetic field and associated with polar cap arcs, using Cluster. ... -
Suprathermal Fe in the Earth's Plasma Environment: Cluster RAPID Observations
Haaland, Stein; Daly, Patrick W.; Vilenius, Esa; Krcelic, Patrik; Dandouras, Iannis (Journal article; Peer reviewed, 2020)Baryonic matter in geospace is almost exclusively in a plasma state, with protons (H +) and to some extent ionized helium (He) and oxygen (O) being the dominant ion species. But also other heavier ion species and even ...