Search Results - "BERTHELIER, J. J"

Molecular nitrogen in comet 67P/Churyumov-Gerasimenko indicates a low formation temperature by Rubin, M., Altwegg, K., Balsiger, H., Bar-Nun, A., Berthelier, J.-J., Bieler, A., Bochsler, P., Briois, C., Calmonte, U., Combi, M., De Keyser, J., Dhooghe, F., Eberhardt, P., Fiethe, B., Fuselier, S. A., Gasc, S., Gombosi, T. I., Hansen, K. C., Hässig, M., Jäckel, A., Kopp, E., Korth, A., Le Roy, L., Mall, U., Marty, B., Mousis, O., Owen, T., Réme, H., Sémon, T., Tzou, C.-Y., Waite, J. H., Wurz, P.

“…Molecular nitrogen (N2) is thought to have been the most abundant form of nitrogen in the protosolar nebula. It is the main N-bearing molecule in the…”
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Past, Present and Future of Active Radio Frequency Experiments in Space by Streltsov, A. V., Berthelier, J.-J., Chernyshov, A. A., Frolov, V. L., Honary, F., Kosch, M. J., McCoy, R. P., Mishin, E. V., Rietveld, M. T.

“…Active ionospheric experiments using high-power, high-frequency transmitters, “heaters”, to study plasma processes in the ionosphere and magnetosphere continue…”
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Xenon isotopes in 67P/Churyumov-Gerasimenko show that comets contributed to Earth's atmosphere by Marty, B., Altwegg, K., Balsiger, H., Bar-Nun, A., Bekaert, D. V., Berthelier, J.-J., Bieler, A., Briois, C., Calmonte, U., Combi, M., De Keyser, J., Fiethe, B., Fuselier, S. A., Gasc, S., Gombosi, T. I., Hansen, K. C., Hässig, M., Jäckel, A., Kopp, E., Korth, A., Le Roy, L., Mall, U., Mousis, O., Owen, T., Rème, H., Rubin, M., Sémon, T., Tzou, C.-Y., Waite, J. H., Wurz, P.

“…The origin of cometary matter and the potential contribution of comets to inner-planet atmospheres are long-standing problems. During a series of dedicated…”
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On the origin of molecular oxygen in cometary comae by Heritier, K. L., Altwegg, K., Berthelier, J.-J., Beth, A., Carr, C. M., De Keyser, J., Eriksson, A. I., Fuselier, S. A., Galand, M., Gombosi, T. I., Henri, P., Johansson, F. L., Nilsson, H., Rubin, M., Simon Wedlund, C., Taylor, M. G. G. T., Vigren, E

“…We have used generous assumptions in terms of production rates and ion fluxes to assess the production of O2- through ER reactions as a mechanism to explain…”
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Radiation belt electron precipitation due to VLF transmitters: Satellite observations by Sauvaud, J.-A., Maggiolo, R., Jacquey, C., Parrot, M., Berthelier, J.-J., Gamble, R. J., Rodger, Craig J.

“…In the Earth's inner magnetosphere, the distribution of energetic electrons is controlled by pitch‐angle scattering by waves. A category of Whistler waves…”
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Climatology of Nighttime Medium‐Scale Traveling Ionospheric Disturbances at Mid and Low Latitudes Observed by the DEMETER Satellite in the Topside Ionosphere During the Period 2005–2010 by Nguyen, C. T., Berthelier, J.‐J., Petitdidier, M., Amory‐Mazaudier, C., Le Huy, M.

“…Thermal ion measurements from the French Detection of Electro‐Magnetic Emissions Transmitted from Earthquake Regions micro‐satellite have been used to study…”
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Abundant molecular oxygen in the coma of comet 67P/Churyumov–Gerasimenko by Bieler, A., Altwegg, K., Balsiger, H., Bar-Nun, A., Berthelier, J.-J., Bochsler, P., Briois, C., Calmonte, U., Combi, M., De Keyser, J., van Dishoeck, E. F., Fiethe, B., Fuselier, S. A., Gasc, S., Gombosi, T. I., Hansen, K. C., Hässig, M., Jäckel, A., Kopp, E., Korth, A., Le Roy, L., Mall, U., Maggiolo, R., Marty, B., Mousis, O., Owen, T., Rème, H., Rubin, M., Sémon, T., Tzou, C.-Y., Waite, J. H., Walsh, C., Wurz, P.

“…In situ measurement of O 2 in the coma of comet 67P/Churyumov–Gerasimenko shows local abundances ranging from one per cent to ten per cent relative to H 2 O;…”
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ALMA and ROSINA detections of phosphorus-bearing molecules: the interstellar thread between star-forming regions and comets by Rivilla, V M, Drozdovskaya, M N, Altwegg, K, Caselli, P, Beltrán, M T, Fontani, F, van der Tak, F F S, Cesaroni, R, Vasyunin, A, Rubin, M, Lique, F, Marinakis, S, Testi, L, Balsiger, H, Berthelier, J J, De Keyser, J, Fiethe, B, Fuselier, S A, Gasc, S, Gombosi, T I, Sémon, T, Tzou, C-Y

“…ABSTRACT To understand how phosphorus (P)-bearing molecules are formed in star-forming regions, we have analysed the Atacama Large Millimeter/Submillimeter…”
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Ion composition at comet 67P near perihelion: Rosetta observations and model-based interpretation by Heritier, K. L., Altwegg, K., Balsiger, H., Berthelier, J.-J., Beth, A., Bieler, A., Biver, N., Calmonte, U., Combi, M. R., De Keyser, J., Eriksson, A. I., Fiethe, B., Fougere, N., Fuselier, S. A., Galand, M., Gasc, S., Gombosi, T. I., Hansen, K. C., Hassig, M., Kopp, E., Odelstad, E., Rubin, M., Tzou, C.-Y., Vigren, E., Vuitton, V.

“…Abstract We present the ion composition in the coma of comet 67P with newly detected ion species over the 28–37 u mass range, probed by Rosetta Orbiter…”
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Applications of Electrified Dust and Dust Devil Electrodynamics to Martian Atmospheric Electricity by Harrison, R. G., Barth, E., Esposito, F., Merrison, J., Montmessin, F., Aplin, K. L., Borlina, C., Berthelier, J J., Deprez, G., Farrell, William M., Houghton, I. M. P., Renno, N. O., Nicoll, K. A., Tripathi, S. N., Zimmerman, M.

“…Atmospheric transport and suspension of dust frequently brings electrification, which may be substantial. Electric fields of 10 kV m(exp. -1) to 100 kV m(exp…”
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Evolution of water production of 67P/Churyumov-Gerasimenko: An empirical model and a multi-instrument study by Hansen, Kenneth C., Altwegg, K., Berthelier, J.-J., Bieler, A., Biver, N., Bockelée-Morvan, D., Calmonte, U., Capaccioni, F., Combi, M. R., Keyser, J. De, Fiethe, B., Fougere, N., Fuselier, S. A., Gasc, S., Gombosi, T. I., Huang, Z., Le Roy, L., Lee, S., Nilsson, H., Rubin, M., Shou, Y., Snodgrass, C., Tenishev, V., Toth, G., Tzou, C.-Y., Wedlund, C. Simon

“…We examine the evolution of the water production of comet 67P/Churyumov-Gerasimenko during the Rosetta mission (June 2014 to May 2016) based on in situ and…”
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The Mass Spectrum Analyzer (MSA) on board the BepiColombo MMO by Delcourt, D., Saito, Y., Leblanc, F., Verdeil, C., Yokota, S., Fraenz, M., Fischer, H., Fiethe, B., Katra, B., Fontaine, D., Illiano, J.‐M., Berthelier, J.‐J., Krupp, N., Buhrke, U., Bubenhagen, F., Michalik, H.

“…Observations from the MESSENGER spacecraft have considerably enhanced our understanding of the plasma environment at Mercury. In particular, measurements from…”
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Time variability and heterogeneity in the coma of 67P/Churyumov-Gerasimenko by Hässig, M., Altwegg, K., Balsiger, H., Bar-Nun, A., Berthelier, J. J., Bieler, A., Bochsler, P., Briois, C., Calmonte, U., Combi, M., De Keyser, J., Eberhardt, P., Fiethe, B., Fuselier, S. A., Galand, M., Gasc, S., Gombosi, T. I., Hansen, K. C., Jäckel, A., Keller, H. U., Kopp, E., Korth, A., Kührt, E., Le Roy, L., Mall, U., Marty, B., Mousis, O., Neefs, E., Owen, T., Rème, H., Rubin, M., Sémon, T., Tornow, C., Tzou, C.-Y., Waite, J. H., Wurz, P.

“…Comets contain the best-preserved material from the beginning of our planetary system. Their nuclei and comae composition reveal clues about physical and…”
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The Vector Electric Field Investigation (VEFI) on the C/NOFS Satellite by Pfaff, R., Uribe, P., Fourre, R., Kujawski, J., Maynard, N., Acuña, M., Rowland, D., Freudenreich, H., Bromund, K., Martin, S., Liebrecht, C., Kramer, R., Hunsaker, F., Holzworth, R., McCarthy, M., Farrell, W., Klenzing, J., Le, G., Jacobson, A., Houser, J., Steigies, C., Berthelier, J.-J.

“…The Vector Electric Field Investigation (VEFI) on the C/NOFS satellite comprises a suite of sensors controlled by one central electronics box. The primary…”
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D₂O and HDS in the coma of 67P/Churyumov—Gerasimenko by Altwegg, K., Balsiger, H., Berthelier, J. J., Bieler, A., Calmonte, U., De Keyser, J., Fiethe, B., Fuselier, S. A., Gasc, S., Gombosi, T. I., Owen, T., Le Roy, L., Rubin, M., Sémon, T., Tzou, C.-Y.

“…The European Rosetta mission has been following comet 67P/Churyumov-Gerasimenko for 2 years, studying the nucleus and coma in great detail. For most of these 2…”
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A statistical study over Europe of the relative locations of lightning and associated energetic burst of electrons from the radiation belt by Bourriez, F., Sauvaud, J.-A., Pinçon, J.-L., Berthelier, J.-J., Parrot, M.

“…The DEMETER (Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions) spacecraft detects short bursts of lightning-induced electron…”
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Electrostatic analyzer with a 3‐D instantaneous field of view for fast measurements of plasma distribution functions in space by Morel, X., Berthomier, M., Berthelier, J.‐J.

“…We describe the concept and properties of a new electrostatic optic which aims to provide a 2π sr instantaneous field of view to characterize space plasmas. It…”
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Direct Simulation Monte Carlo modelling of the major species in the coma of comet 67P/Churyumov-Gerasimenko by Fougere, Nicolas, Altwegg, K., Berthelier, J.-J., Bieler, A., Bockelée-Morvan, D., Calmonte, U., Capaccioni, F., Combi, M. R., De Keyser, J., Debout, V., Erard, S., Fiethe, B., Filacchione, G., Fink, U., Fuselier, S. A., Gombosi, T. I., Hansen, K. C., Hässig, M., Huang, Z., Le Roy, L., Leyrat, C., Migliorini, A., Piccioni, G., Rinaldi, G., Rubin, M., Shou, Y., Tenishev, V., Toth, G., Tzou, C.-Y.

“…We analyze the ROSINA-DFMS data between August 2014 and February 2016 to examine the effect of seasonal variations on the four major species within the coma of…”
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Mass calibration of Rosetta’s ROSINA/DFMS mass spectrometer by De Keyser, J., Dhooghe, F., Altwegg, K., Rubin, M., Hänni, N., Fuselier, S.A., Berthelier, J.-J., Neefs, E.

“…The Double Focusing Mass Spectrometer (DFMS) onboard the Rosetta spacecraft employs an electrostatic and a magnet sector for energy and mass discrimination,…”
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Spacecraft observations of electromagnetic perturbations connected with seismic activity by Němec, F., Santolík, O., Parrot, M., Berthelier, J. J.

“…Results of a statistical study of intensity of VLF electromagnetic waves observed in the vicinity of earthquakes are presented. A unique set of data obtained…”
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