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Observatoire Midi-Pyrénées |  |
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Observatoire Midi-Pyrénées | |
| HAL: hal-00623340, version 1 |
| DOI: 10.1016/j.pss.2011.08.011 |
| Detailed view |  Export this paper |
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| Planetary and Space Science 66, 1 (2012) 173-178 |
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| In situ mass spectrometry during the Lutetia flyby |
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| K. Altwegg 1H. Balsiger 1 |
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| During the Rosetta flyby at asteroid Lutetia the ROSINA instrument tried to detect a thin exosphere of the asteroid. Although the instrument is sensitive enough to detect even very tenuous gases at a density level of 1 cm−3 the Lutetia exosphere could not be unambiguously detected due to spacecraft outgassing, which was not constant because of the changing solar aspect angle. An upper limit for a water exosphere density at the flyby distance of 3160 km of (3.5±1.0)*103 cm−3 was deduced from the measurements. |
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| 1: | Physikalisches Institut, Universität Bern |
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Universität Bern |
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| 2: | Institut Pierre-Simon-Laplace (IPSL) |
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CNRS : FR636 – Institut de recherche pour le développement [IRD] – CEA – CNES – INSU – Université Pierre et Marie Curie [UPMC] - Paris VI – Université de Versailles Saint-Quentin-en-Yvelines – Ecole normale supérieure de Paris - ENS Paris |
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| 3: | Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) |
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CNRS : UMR8190 – Université Pierre et Marie Curie [UPMC] - Paris VI – Université de Versailles Saint-Quentin-en-Yvelines – INSU |
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| 4: | Université Pierre et Marie Curie - Paris 6 (UPMC) |
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Université Pierre et Marie Curie [UPMC] - Paris VI |
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| 5: | Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB) |
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Belgian Institute for Space Aeronomy |
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| 6: | Institute of Computer and Network Engineering (IDA) |
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Technische Universität Braunschweig |
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| 7: | Lockheed Martin Advanced Technology Center, Space Physics Dept |
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Advanced Technology Center |
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| 8: | Max-Planck-Institut für Sonnensystemforschung |
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Max-Planck-Institut für sonnensystemforschung |
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| 9: | Centre d'étude spatiale des rayonnements (CESR) |
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CNRS : UMR5187 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III |
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| 10: | Institut de recherche en astrophysique et planétologie (IRAP) |
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CNRS : UMR5277 – Université Paul Sabatier [UPS] - Toulouse III – Observatoire Midi-Pyrénées |
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| 11: | University of Michigan |
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University of Michigan |
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| Subject | : | Sciences of the Universe/Astrophysics/Instrumentation and Methods for Astrophysic Physics/Astrophysics/Instrumentation and Methods for Astrophysic Sciences of the Universe/Astrophysics/Earth and Planetary Astrophysics Physics/Astrophysics/Earth and Planetary Astrophysics |
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| Rosetta – ROSINA – Lutetia – in situ mass spectrometry – Spacecraft outgassing – Exosphere |
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| hal-00623340, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00623340 | |
| oai:hal.archives-ouvertes.fr:hal-00623340 | |
| From: Catherine Cardon | |
| Submitted on: Wednesday, 14 September 2011 09:40:58 | |
| Updated on: Tuesday, 12 March 2013 16:47:40 | |
