Search Results - "Fiethe, Bjorn"

Prebiotic chemicals-amino acid and phosphorus-in the coma of comet 67P/Churyumov-Gerasimenko by Altwegg, Kathrin, Balsiger, Hans, Bar-Nun, Akiva, Berthelier, Jean-Jacques, Bieler, Andre, Bochsler, Peter, Briois, Christelle, Calmonte, Ursina, Combi, Michael R, Cottin, Hervé, De Keyser, Johan, Dhooghe, Frederik, Fiethe, Bjorn, Fuselier, Stephen A, Gasc, Sébastien, Gombosi, Tamas I, Hansen, Kenneth C, Haessig, Myrtha, Jäckel, Annette, Kopp, Ernest, Korth, Axel, Le Roy, Lena, Mall, Urs, Marty, Bernard, Mousis, Olivier, Owen, Tobias, Rème, Henri, Rubin, Martin, Sémon, Thierry, Tzou, Chia-Yu, Hunter Waite, James, Wurz, Peter

“…The importance of comets for the origin of life on Earth has been advocated for many decades. Amino acids are key ingredients in chemistry, leading to life as…”
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Halogens as tracers of protosolar nebula material in comet 67P/Churyumov–Gerasimenko by Dhooghe, Frederik, De Keyser, Johan, Altwegg, Kathrin, Briois, Christelle, Balsiger, Hans, Berthelier, Jean-Jacques, Calmonte, Ursina, Cessateur, Gaël, Combi, Michael R., Equeter, Eddy, Fiethe, Björn, Fray, Nicolas, Fuselier, Stephen, Gasc, Sébastien, Gibbons, Andrew, Gombosi, Tamas, Gunell, Herbert, Hässig, Myrtha, Hilchenbach, Martin, Le Roy, Léna, Maggiolo, Romain, Mall, Urs, Marty, Bernard, Neefs, Eddy, Rème, Henri, Rubin, Martin, Sémon, Thierry, Tzou, Chia-Yu, Wurz, Peter

“…Abstract We report the first in situ detection of halogens in a cometary coma, that of 67P/Churyumov-Gerasimenko. Neutral gas mass spectra collected by the…”
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Sensitivity and fragmentation calibration of the time-of-flight mass spectrometer RTOF on board ESA's Rosetta mission by Gasc, Sébastien, Altwegg, Kathrin, Fiethe, Björn, Jäckel, Annette, Korth, Axel, Le Roy, Léna, Mall, Urs, Rème, Henri, Rubin, Martin, Hunter Waite, J., Wurz, Peter

“…The European Space Agency's Rosetta spacecraft, with the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis (ROSINA) onboard, has been following and…”
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Change of outgassing pattern of 67P/Churyumov–Gerasimenko during the March 2016 equinox as seen by ROSINA by Gasc, Sébastien, Altwegg, Kathrin, Balsiger, Hans, Berthelier, Jean-Jacques, Bieler, André, Calmonte, Ursina, Fiethe, Björn, Fuselier, Stephen, Galli, André, Gombosi, Tamas, Hoang, Margaux, De Keyser, Johan, Korth, Axel, Le Roy, Léna, Mall, Urs, Rème, Henri, Rubin, Martin, Sémon, Thierry, Tzou, Chia-Yu, Waite, Jack Hunter, Wurz, Peter

“…Abstract As the spin axis of comet 67P/Churyumov–Gerasimenko (67P) is not normal to the orbital plane, 67P has strong seasonal changes in the illumination…”
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Elemental and molecular abundances in comet 67P/Churyumov-Gerasimenko by Rubin, Martin, Altwegg, Kathrin, Balsiger, Hans, Berthelier, Jean-Jacques, Combi, Michael R, De Keyser, Johan, Drozdovskaya, Maria, Fiethe, Björn, Fuselier, Stephen A, Gasc, Sébastien, Gombosi, Tamas I, Hänni, Nora, Hansen, Kenneth C, Mall, Urs, Rème, Henri, Schroeder, Isaac R H G, Schuhmann, Markus, Sémon, Thierry, Waite, Jack H, Wampfler, Susanne F, Wurz, Peter

“…ABSTRACT Comets are considered to be some of the most pristine and unprocessed Solar system objects accessible to in situ exploration. Investigating their…”
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Evidence of ammonium salts in comet 67P as explanation for the nitrogen depletion in cometary comae by Altwegg, Kathrin, Balsiger, Hans, Hänni, Nora, Rubin, Martin, Schuhmann, Markus, Schroeder, Isaac, Sémon, Thierry, Wampfler, Susanne, Berthelier, Jean-Jacques, Briois, Christelle, Combi, Mike, Gombosi, Tamas I., Cottin, Hervé, De Keyser, Johan, Dhooghe, Frederik, Fiethe, Björn, Fuselier, Steven A.

“…Cometary comae are generally depleted in nitrogen. The main carriers for volatile nitrogen in comets are NH 3 and HCN. It is known that ammonia readily…”
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Evidence for distributed gas sources of hydrogen halides in the coma of comet 67P/Churyumov–Gerasimenko by De Keyser, Johan, Dhooghe, Frederik, Altwegg, Kathrin, Balsiger, Hans, Berthelier, Jean-Jacques, Briois, Christelle, Calmonte, Ursina, Cessateur, Gaël, Combi, Michael R., Equeter, Eddy, Fiethe, Björn, Fuselier, Stephen, Gasc, Sébastien, Gibbons, Andrew, Gombosi, Tamas, Gunell, Herbert, Hässig, Myrtha, Le Roy, Léna, Maggiolo, Romain, Mall, Urs, Marty, Bernard, Neefs, Eddy, Rème, Henri, Rubin, Martin, Sémon, Thierry, Tzou, Chia-Yu, Wurz, Peter

“…Abstract Rosetta has detected the presence of the hydrogen halides HF, HCl, and HBr in the coma of comet 67P/Churyumov–Gerasimenko. These species are known to…”
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Mercury’s plasma environment after BepiColombo’s third flyby by Hadid, Lina Z., Delcourt, Dominique, Harada, Yuki, Rojo, Mathias, Aizawa, Sae, Saito, Yoshifumi, André, Nicolas, Glass, Austin N., Raines, Jim M., Yokota, Shoichiro, Fränz, Markus, Katra, Bruno, Verdeil, Christophe, Fiethe, Björn, Leblanc, Francois, Modolo, Ronan, Fontaine, Dominique, Krupp, Norbert, Krüger, Harald, Leblanc, Frédéric, Fischer, Henning, Berthelier, Jean-Jacques, Sauvaud, Jean-André, Murakami, Go, Matsuda, Shoya

“…Understanding Mercury’s magnetosphere is crucial for advancing our comprehension of how the solar wind interacts with the planetary magnetospheres. Despite…”
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Read back scrubbing for SRAM FPGAs in a data processing unit for space instruments by Michel, Holger, Belger, Adrian, Lange, Tobias, Fiethe, Bjorn, Michalik, Harald

“…SRAM-based FPGAs like Xilinx Virtex FPGA offer the highest processing capability currently available as radiation tolerant space qualified parts. However their…”
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How RMAP improves in-flight update of on-board software via SpaceWire by Michel, Holger, Belger, Adrian, Fiethe, Bjorn, Lange, Tobias, Michalik, Harald, Kolleck, Martin

“…Modern space probes such as Solar Orbiter employ a SpaceWire network to connect to on-board computer (OBC), solid state mass memory (SSMM), and scientific…”
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Reconfigurable platforms for Data Processing on scientific space instruments by Bubenhagen, Frank, Fiethe, Bjorn, Lange, Tobias, Michalik, Harald, Michel, Holger

“…The demand for increasing on-board processing power and reconfigurability is the driver for new approaches in the development of Data Processing Units (DPUs)…”
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Krypton isotopes and noble gas abundances in the coma of comet 67P/Churyumov-Gerasimenko by Rubin, Martin, Altwegg, Kathrin, Balsiger, Hans, Bar-Nun, Akiva, Berthelier, Jean-Jacques, Briois, Christelle, Calmonte, Ursina, Combi, Michael, De Keyser, Johan, Fiethe, Björn, Fuselier, Stephen A, Gasc, Sebastien, Gombosi, Tamas I, Hansen, Kenneth C, Kopp, Ernest, Korth, Axel, Laufer, Diana, Le Roy, Léna, Mall, Urs, Marty, Bernard, Mousis, Olivier, Owen, Tobias, Rème, Henri, Sémon, Thierry, Tzou, Chia-Yu, Waite, Jack H, Wurz, Peter

“…The Rosetta Orbiter Spectrometer for Ion and Neutral Analysis mass spectrometer Double Focusing Mass Spectrometer on board the European Space Agency's Rosetta…”
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Worst case error rate predictions and mitigation schemes for Virtex-4 FPGAs on solar orbiter by Michel, Holger, Bubenhagen, Frank, Grurmann, Kai, Lange, Tobias, Fiethe, Bjorn, Michalik, Harald

“…The Data Processing Unit (DPU) for the Polarimetric and Helioseismic Imager (PHI) instrument on the ESA Solar Orbiter mission will use Xilinx Virtex-4…”
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HIGH-TIME RESOLUTION IN SITU INVESTIGATION OF MAJOR COMETARY VOLATILES AROUND 67P/C-G AT 3.1-2.3 au MEASURED WITH ROSINA-RTOF by Mall, U., Altwegg, K., Balsiger, H., Bar-Nun, A., Berthelier, J.-J., Bieler, A., Bochsler, P., Briois, C., Calmonte, U., Combi, M. R., Dabrowski, B., Keyser, J. De, Dhooghe, F., Fiethe, B., Fuselier, S. A., Galli, A., Garnier, P., Gasc, S., Gombosi, T. I., Hansen, K. C., Hässig, M., Hoang, M., Jäckel, A., Kopp, E., Korth, A., Roy, L. Le, Magee, B., Marty, B., Mousis, O., Rème, H., Rubin, M., Sémon, T., Tzou, C.-Y., Waite, J. H., Wurz, P.

“…ABSTRACT Comets considered to be pristine objects contain key information about the early formation of the solar system. Their volatile components can provide…”
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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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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 comparison between the two lobes of comet 67P/Churyumov–Gerasimenko based on D/H ratios in H2O measured with the Rosetta/ROSINA DFMS by Schroeder, Isaac R H G, Altwegg, Kathrin, Balsiger, Hans, Berthelier, Jean-Jacques, Combi, Michael R, De Keyser, Johan, Fiethe, Björn, Fuselier, Stephen A, Gombosi, Tamas I, Hansen, Kenneth C, Rubin, Martin, Shou, Yinsi, Tenishev, Valeriy M, Sémon, Thierry, Wampfler, Susanne F, Wurz, Peter

“…ABSTRACT The nucleus of the Jupiter-family comet 67P/Churyumov–Gerasimenko was discovered to be bi-lobate in shape when the European Space Agency spacecraft…”
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Demonstrating Controlled Change for Autonomous Space Vehicles by Dorflinger, Alexander, Albers, Mark, Fiethe, Bjorn, Michalik, Harald, Mostl, Mischa, Schlatow, Johannes, Ernst, Rolf

“…Recent research discusses concepts of infield changes to overcome the drawbacks of conventional lab-based system design processes. In this paper, we evaluate…”
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On-board processing using reconfigurable hardware on the solar orbiter PHI instrument by Lange, Tobias, Fiethe, Bjorn, Michel, Holger, Michalik, Harald, Albert, Kinga, Hirzberger, Johann

“…Radiation-tolerant Field-Programmable Gate Arrays (FPGAs) enable efficient and high-reliable data processing for scientific space missions at the drawback of…”
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Dynamic Partial Reconfiguration in Space Applications by Osterloh, B., Michalik, H., Habinc, S.A., Fiethe, B.

“…The demand for high-performance on-board processing in space applications drastically increased because of the discrepancy between extreme high data volume and…”
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