Search Results - "Witasse, O"

A Review of the in Situ Probe Designs from Recent Ice Giant Mission Concept Studies by Simon, A. A., Fletcher, L. N., Arridge, C., Atkinson, D., Coustenis, A., Ferri, F., Hofstadter, M., Masters, A., Mousis, O., Reh, K., Turrini, D., Witasse, O.

“…For the Ice Giants, atmospheric entry probes provide critical measurements not attainable via remote observations. Including the 2013–2022 NASA Planetary…”
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Pitch Angle Distribution of MeV Electrons in the Magnetosphere of Jupiter by Nénon, Q., Miller, L. P., Kollmann, P., Liuzzo, L., Pinto, M., Witasse, O.

“…The magnetosphere of Jupiter harbors the most extreme fluxes of MeV electrons in the solar system and therefore provides a testbed of choice to understand the…”
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Observations of the nightside ionosphere of Mars by the Mars Express Radio Science Experiment (MaRS) by Withers, Paul, Fillingim, M. O., Lillis, R. J., Häusler, B., Hinson, D. P., Tyler, G. L., Pätzold, M., Peter, K., Tellmann, S., Witasse, O.

“…The vertical structure of the nightside ionosphere of Mars and its dependence on solar zenith angle are currently poorly determined, as is the importance of…”
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An Active Plume Eruption on Europa During Galileo Flyby E26 as Indicated by Energetic Proton Depletions by Huybrighs, H. L. F., Roussos, E., Blöcker, A., Krupp, N., Futaana, Y., Barabash, S., Hadid, L. Z., Holmberg, M. K. G., Lomax, O., Witasse, O.

“…Strong depletions of energetic protons (115–244 keV) were observed during Galileo flyby E26 of Europa. We simulate the flux of energetic protons using a Monte…”
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Influence of the Solar Wind Dynamic Pressure on the Ion Precipitation: MAVEN Observations and Simulation Results by Martinez, A., Modolo, R., Leblanc, F., Chaufray, J. Y., Witasse, O., Romanelli, N., Dong, Y., Hara, T., Halekas, J., Lillis, R., McFadden, J., Eparvier, F., Leclercq, L., Luhmann, J., Curry, S., Jakosky, B.

“…We discuss the influence of the solar wind dynamic pressure on the ion precipitation using observations performed by MAVEN from 4 June 2014 to 20 July 2017…”
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Europa's Perturbed Fields and Induced Dipole Affect Energetic Proton Depletions During Distant Alfvén Wing Flybys by Huybrighs, H. L. F., Blöcker, A., Roussos, E., Buchem, C., Futaana, Y., Holmberg, M. K. G., Goetz, C., Witasse, O.

“…We investigate the causes of energetic proton (80–540 keV) depletions measured during the two most distant flybys of Europa by Galileo, E17 and E25A, which…”
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ESA ExoMars program: The next step in exploring Mars by Vago, J., Witasse, O., Svedhem, H., Baglioni, P., Haldemann, A., Gianfiglio, G., Blancquaert, T., McCoy, D., de Groot, R.

“…The ExoMars program is an ESA–Roscosmos cooperation with some NASA contributions. ExoMars consists of two missions, one in 2016 and one in 2018. The 2016…”
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Surface Charging of the Jupiter Icy Moons Explorer (JUICE) Spacecraft in the Solar Wind at 1 AU by Holmberg, M. K. G., Jackman, C. M., Taylor, M. G. G. T., Witasse, O., Wahlund, J.‐E., Barabash, S., Michotte de Welle, B., Huybrighs, H. L. F., Imhof, C., Cipriani, F., Déprez, G., Altobelli, N.

“…This article presents the first study of the interaction between the Jupiter Icy Moons Explorer (JUICE) spacecraft and the solar wind environment at 1 AU. The…”
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Mars plasma system response to solar wind disturbances during solar minimum by Sánchez‐Cano, B., Hall, B. E. S., Lester, M., Mays, M. L., Witasse, O., Ambrosi, R., Andrews, D., Cartacci, M., Cicchetti, A., Holmström, M., Imber, S., Kajdič, P., Milan, S. E., Noschese, R., Odstrcil, D., Opgenoorth, H., Plaut, J., Ramstad, R., Reyes‐Ayala, K. I.

“…This paper is a phenomenological description of the ionospheric plasma and induced magnetospheric boundary (IMB) response to two different types of upstream…”
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Venus Express mission by Svedhem, H., Titov, D., Taylor, F., Witasse, O.

“…Venus Express is well and healthy and has now been providing exciting new data from Venus, our nearby twin planet, for over 2 years. Many of the new results…”
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RECONCILING THE ORBITAL AND PHYSICAL PROPERTIES OF THE MARTIAN MOONS by Ronnet, T., Vernazza, P., Mousis, O., Brugger, B., Beck, P., Devouard, B., Witasse, O., Cipriani, F.

“…ABSTRACT The origin of Phobos and Deimos is still an open question. Currently, none of the three proposed scenarios for their origin (intact capture of two…”
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Reply to Comment on “An Active Plume Eruption on Europa During Galileo Flyby E26 as Indicated by Energetic Proton Depletions” by Huybrighs, H. L. F., Roussos, E., Blöcker, A., Krupp, N., Futaana, Y., Barabash, S., Hadid, L. Z., Holmberg, M. K. G., Witasse, O.

“…In Huybrighs et al. (2020, https://doi.org/10.1029/2020gl087806) we investigated energetic proton depletions along Galileo's Europa flyby E26. Based on a…”
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Paucity of Tagish Lake-like parent bodies in the Asteroid Belt and among Jupiter Trojans by Vernazza, P., Fulvio, D., Brunetto, R., Emery, J.P., Dukes, C.A., Cipriani, F., Witasse, O., Schaible, M.J., Zanda, B., Strazzulla, G., Baragiola, R.A.

“…•The Tagish Lake meteorite gets brighter and bluer with progressive irradiation..•Its parent bodies are absent among Jupiter Trojans and rare among main belt…”
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Annual variations in the Martian bow shock location as observed by the Mars Express mission by Hall, B. E. S., Lester, M., Sánchez‐Cano, B., Nichols, J. D., Andrews, D. J., Edberg, N. J. T., Opgenoorth, H. J., Fränz, M., Holmström, M., Ramstad, R., Witasse, O., Cartacci, M., Cicchetti, A., Noschese, R., Orosei, R.

“…The Martian bow shock distance has previously been shown to be anticorrelated with solar wind dynamic pressure but correlated with solar extreme ultraviolet…”
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Observations of a Solar Energetic Particle Event From Inside and Outside the Coma of Comet 67P by Wellbrock, A., Jones, G. H., Dresing, N., Coates, A. J., Simon Wedlund, C., Nilsson, H., Sanchez‐Cano, B., Palmerio, E., Turc, L., Myllys, M., Henri, P., Goetz, C., Witasse, O., Nordheim, T. A., Mandt, K.

“…We analyze observations of a solar energetic particle (SEP) event at Rosetta's target comet 67P/Churyumov‐Gerasimenko during 6–10 March 2015. The comet was…”
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Solar cycle variations in the ionosphere of Mars as seen by multiple Mars Express data sets by Sánchez‐Cano, B., Lester, M., Witasse, O., Milan, S. E., Hall, B. E. S., Cartacci, M., Peter, K., Morgan, D. D., Blelly, P.‐L., Radicella, S., Cicchetti, A., Noschese, R., Orosei, R., Pätzold, M.

“…The response of the Martian ionosphere to solar activity is analyzed by taking into account variations in a range of parameters during four phases of the solar…”
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Thermal conductivity measurements of macroscopic frozen salt ice analogues of Jovian icy moons in support of the planned JUICE mission by González Díaz, C, Aparicio Secanellas, S, Muñoz Caro, G M, Anaya Velayos, J J, Carrascosa, H, Hernández, M G, Muñoz-Iglesias, V, Marcos-Fernández, Á, Prieto-Ballesteros, O, Lorente, R, Witasse, O, Altobelli, N

“…ABSTRACT The study of thermal properties of frozen salt solutions representative of ice layers in Jovian moons is crucial to support the JUpiter ICy moons…”
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Mars: a small terrestrial planet by Mangold, N., Baratoux, D., Witasse, O., Encrenaz, T., Sotin, C.

“…Mars is characterized by geological landforms familiar to terrestrial geologists. It has a tenuous atmosphere that evolved differently from that of Earth and…”
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Martian dayglow as seen by the SPICAM UV spectrograph on Mars Express by Leblanc, F., Chaufray, J. Y., Lilensten, J., Witasse, O., Bertaux, J.-L.

“…In this paper we describe measurements of the Martian dayglow obtained by SPICAM UV spectrograph on board Mars Express between October 2004 and March 2005…”
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Three-dimensional Martian ionosphere model: II. Effect of transport processes due to pressure gradients by Chaufray, J.-Y., Gonzalez-Galindo, F, Forget, F., Lopez-Valverde, M., Leblanc, F., Modolo, R., Hess, S., Yagi, M., Blelly, P.-L., Witasse, O.

“…To study the transport of the ionospheric plasma on Mars, we have included a 3‐D multifluid dynamical core in a Martian general circulation model. Vertical…”
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