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A charging model for the Rosetta spacecraft

Autor: Pierre Henri, Anders Eriksson, N. Gilet, Gaëtan Wattieaux, Fredrik Johansson, Fabrice Cipriani, M. G. G. T. Taylor, Christian Imhof

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 642, ⟨10.1051/0004-6361/202038592⟩

Context. The electrostatic potential of a spacecraft, VS, is important for the capabilities of in situ plasma measurements. Rosetta has been found to be negatively charged during most of the comet mission and even more so in denser plasmas. Aims. Our

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aee336eca8af416830c5941e9001a1bc
https://hal.archives-ouvertes.fr/hal-03032966/file/aa38592-20-2.pdf

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Electric field measurements at the plasma frequency around comet 67P by RPC-MIP on board Rosetta

Autor: Olivier Witasse, Anne Wellbrock, Pierre Henri, Raymond Goldstein, Hans Nilsson, Erika Palmerio, X. Vallières, Minna Myllys, N. Gilet, Lucile Turc

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, 652, pp.A73. ⟨10.1051/0004-6361/201936633⟩

Context. The Mutual Impedance Probe (RPC-MIP) carried by the Rosetta spacecraft monitored both the plasma density and the electric field in the close environment of comet 67P/Churyumov–Gerasimenko (67P), as the instrument was operating alternativel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94f15d5ac57fa6619a9083cff2e0fee5
https://doi.org/10.1051/0004-6361/201936633

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Plasma properties of suprathermal electrons near comet 67P/Churyumov-Gerasimenko with Rosetta

Autor: Raymond Goldstein, Minna Myllys, N. Gilet, K. L. Heritier, Pierre Henri, F. L. Johansson, Anders Eriksson, Marina Galand, Jan Deca

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2019, 630, pp.A42. ⟨10.1051/0004-6361/201834964⟩

Context. The Rosetta spacecraft escorted comet 67P/Churyumov-Gerasimenko from 2014 to September 2016. The mission provided in situ observations of the cometary plasma during different phases of the cometary activity, which enabled us to better unders

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbd0f04ed66982a7175c3423a0bb971f
https://hal.archives-ouvertes.fr/hal-02401172

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RPC-MIP observations at comet 67P/Churyumov-Gerasimenko explained by a model including a sheath and two populations of electrons

Autor: X. Vallières, L. Bucciantini, N. Gilet, Gaëtan Wattieaux, P. Henri

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2019, 630, pp.A41. ⟨10.1051/0004-6361/201834872⟩

International audience; The response of the mutual impedance probe RPC-MIP on board Rosetta orbiter electrostatically modeled considering an unmagnetized and collisionless plasma with two Maxwellian electron populations. A vacuum sheath surrounding t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbb4194a05a903fe920feb7b625e3164
https://hal.archives-ouvertes.fr/hal-02401165/document

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Dynamic unmagnetized plasma in the diamagnetic cavity around comet 67P/Churyumov–Gerasimenko

Autor: James L. Burch, Hans Nilsson, Martin Rubin, Herbert Gunell, Jérôme Moré, Charlotte Goetz, Bruce T. Tsurutani, Gaëtan Wattieaux, X. Vallières, Pierre Henri, Rajkumar Hajra, Zoltán Németh, Ingo Richter, N. Gilet, Anders Eriksson

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 475 (3), pp.4140-4147. ⟨10.1093/mnras/sty094⟩
Hajra, Rajkumar; Henri, Pierre; Vallières, Xavier; Moré, Jerome; Gilet, Nicolas; Wattieaux, Gaetan; Goetz, Charlotte; Richter, Ingo; Tsurutani, Bruce T; Gunell, Herbert; Nilsson, Hans; Eriksson, Anders I; Nemeth, Zoltan; Burch, James L; Rubin, Martin (2018). Dynamic unmagnetized plasma in the diamagnetic cavity around comet 67P/Churyumov–Gerasimenko. Monthly notices of the Royal Astronomical Society, 475(3), pp. 4140-4147. Oxford University Press 10.1093/mnras/sty094

International audience; The Rosetta orbiter witnessed several hundred diamagnetic cavity crossings (unmagnetized regions) around comet 67P/Churyumov–Gerasimenko during its two year survey of the comet. The characteristics of the plasma environment

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66dc6a365646c6abfbadc9e10bb53598
https://hal-insu.archives-ouvertes.fr/insu-01825213/document

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