Léna Le Roy

Identifiants chercheurs

IdHAL :

lena-le-roy

ORCID :

0000-0002-5984-6153

Présentation

Publications

Article dans une revue (41)

Krypton isotopes and noble gas abundances in the coma of comet 67P/Churyumov-Gerasimenko Martin Rubin,Kathrin Altwegg,Hans Balsiger,Akiva Bar-Nun,Jean-Jacques Berthelieret al. Science Advances , 2018, 4 (7), pp.eaar6297. ⟨10.1126/sciadv.aar6297⟩ Article dans une revue insu-01877545v1
D&lt;sub&gt;2&lt;/sub&gt;O and HDS in the coma of 67P/Churyumov–Gerasimenko Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,André Bieler,Ursina Calmonteet al. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2017, 375 (n° 2097), ⟨10.1098/rsta.2016.0253⟩ Article dans une revue insu-01530459v1
Halogens as tracers of protosolar nebula material in comet 67P/Churyumov-Gerasimenko Frederik Dhooghe,Johan de Keyser,Kathrin Altwegg,Christelle Briois,Hans Balsigeret al. Monthly Notices of the Royal Astronomical Society, 2017, 472 (2), pp.1336-1345. ⟨10.1093/mnras/stx1911⟩ Article dans une revue insu-01575014v1
Isotopic composition of CO&lt;sub&gt;2&lt;/sub&gt; in the coma of 67P/Churyumov-Gerasimenko measured with ROSINA/DFMS Myrtha Hässig,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,André Bieleret al. Astronomy & Astrophysics - A&A, 2017, 605, A50 (8 p.). ⟨10.1051/0004-6361/201630140⟩ Article dans une revue insu-01571239v1
Evidence for distributed gas sources of hydrogen halides in the coma of comet 67P/Churyumov–Gerasimenko Johan de Keyser,Frederik Dhooghe,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelieret al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S695-S711. ⟨10.1093/mnras/stx2725⟩ Article dans une revue insu-02765310v1
Nitrogen-to-carbon atomic ratio measured by COSIMA in the particles of comet 67P/Churyumov–Gerasimenko Nicolas Fray,Anaïs Bardyn,Hervé Cottin,Donia Baklouti,Christelle Brioiset al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S506-S516. ⟨10.1093/mnras/stx2002⟩ Article dans une revue insu-02766152v1
Change of outgassing pattern of 67P/Churyumov–Gerasimenko during the March 2016 equinox as seen by ROSINA Sébastien Gasc,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,André Bieleret al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S108 - S117. ⟨10.1093/mnras/stx1412⟩ Article dans une revue insu-01574257v1
Organics in comet 67P – a first comparative analysis of mass spectra from ROSINA–DFMS, COSAC and Ptolemy Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,André Bieler,Ursina Calmonteet al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S130 - S141. ⟨10.1093/mnras/stx1415⟩ Article dans une revue insu-01574263v1
Evidence for depletion of heavy silicon isotopes at comet 67P/Churyumov-Gerasimenko Martin Rubin,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,André Bieleret al. Astronomy & Astrophysics - A&A, 2017, 601, A123 (9 p.). ⟨10.1051/0004-6361/201730584⟩ Article dans une revue insu-01518753v1
Xenon isotopes in 67P/Churyumov-Gerasimenko show that comets contributed to Earth's atmosphere B. Marty,Kathrin Altwegg,Hans Balsiger,A. Bar-Nun,D.V. Bekaertet al. Science, 2017, 356 (6342), pp.1069-1072. ⟨10.1126/science.aal3496⟩ Article dans une revue insu-01670669v1
Sulphur isotope mass-independent fractionation observed in comet 67P/Churyumov–Gerasimenko by Rosetta/ROSINA Ursina Calmonte,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,A. Bieleret al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (suppl_2), pp.S787-S803. ⟨10.1093/mnras/stx2534⟩ Article dans une revue insu-01671992v1
Carbon-rich dust in comet 67P/Churyumov-Gerasimenko measured by COSIMA/Rosetta Anaïs Bardyn,Donia Baklouti,Hervé Cottin,Nicolas Fray,Christelle Brioiset al. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S712-S722. ⟨10.1093/mnras/stx2640⟩ Article dans une revue insu-02764524v1
Sulphur-bearing species in the coma of comet 67P/Churyumov–Gerasimenko Ursina Calmonte,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,A. Bieleret al. Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl 1), pp.S253 - S273. ⟨10.1093/mnras/stw2601⟩ Article dans une revue insu-01402761v1
Photochemistry of forbidden oxygen lines in the inner coma of 67P/Churyumov-Gerasimenko G. Cessateur,J. de Keyser,R. Maggiolo,A. Gibbons,G. Gronoffet al. Journal of Geophysical Research Space Physics, 2016, 121 (1), pp.804-816. ⟨10.1002/2015JA022013⟩ Article dans une revue insu-01318159v1
Prebiotic chemicals--amino acid and phosphorus--in the coma of comet 67P/Churyumov-Gerasimenko Kathrin Altwegg,Hans Balsiger,Akiva Bar-Nun,Jean-Jacques Berthelier,Andre Bieleret al. Science Advances , 2016, 2 (5), e1600285 (5 p.). ⟨10.1126/sciadv.1600285⟩ Article dans une revue insu-01351340v1
COMET 67P/CHURYUMOV-GERASIMENKO: CLOSE-UP ON DUST PARTICLE FRAGMENTS M. Hilchenbach,J. Kissel,Y. Langevin,Christelle Briois,H. von Hoerneret al. The Astrophysical Journal Letters, 2016, 816 (2), pp.L32. ⟨10.3847/2041-8205/816/2/L32⟩ Article dans une revue in2p3-01291758v1
Direct Simulation Monte Carlo modelling of the major species in the coma of comet 67P/Churyumov-Gerasimenko Nicolas Fougere,Kathrin Altwegg,Jean-Jacques Berthelier,Andre Bieler,Dominique Bockelée-Morvanet al. Monthly Notices of the Royal Astronomical Society, 2016, 462 (suppl. 1), pp.S156-S169. ⟨10.1093/mnras/stw2388⟩ Article dans une revue insu-01370624v1
High-Time Resolution In-situ Investigation of Major Cometary Volatiles around 67P/C-G at 3.1 - 2.3 AU Measured with ROSINA-RTOF Urs Mall,Kathrin Altwegg,Hans Balsiger,A. Bar-Nun,Jean-Jacques Berthelieret al. The Astrophysical Journal, 2016, 819 (2), pp.126. ⟨10.3847/0004-637X/819/2/126⟩ Article dans une revue insu-01287167v1
Three-dimensional direct simulation Monte-Carlo modeling of the coma of comet 67P/Churyumov-Gerasimenko observed by the VIRTIS and ROSINA instruments on board Rosetta Nicolas Fougere,Kathrin Altwegg,Jean-Jacques Berthelier,Andre Bieler,Dominique Bockelee-Morvanet al. Astronomy & Astrophysics - A&A, 2016, 588, A134 (11p.). ⟨10.1051/0004-6361/201527889⟩ Article dans une revue insu-01283022v1
Ion chemistry in the coma of comet 67P near perihelion S. A. Fuselier,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,A. Bethet al. Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl. 1), pp.S67-S77. ⟨10.1093/mnras/stw2149⟩ Article dans une revue insu-01368192v1
Evolution of water production of 67P/Churyumov-Gerasimenko: an empirical model and a multi-instrument study Kenneth C. Hansen,Kathrin Altwegg,Jean-Jacques Berthelier,André Bieler,N. Biveret al. Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl. 1), pp.S491-S506. ⟨10.1093/mnras/stw2413⟩ Article dans une revue insu-01374507v1
First in-situ detection of the cometary ammonium ion NH&lt;sub&gt;4&lt;/sub&gt;&lt;sup&gt;+&lt;/sup&gt; (protonated ammonia NH&lt;sub&gt;3&lt;/sub&gt; ) in the coma of 67P/C-G near perihelion Arnaud Beth,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,Ursina Calmonteet al. Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl_1), pp.S562-S572. ⟨10.1093/mnras/stw3370⟩ Article dans une revue insu-01427998v1
High-molecular-weight organic matter in the particles of comet 67P/Churyumov–Gerasimenko Nicolas Fray,Anaïs Bardyn,Hervé Cottin,Kathrin Altwegg,Donia Bakloutiet al. Nature, 2016, 538 (7623), pp.72-74. ⟨10.1038/nature19320⟩ Article dans une revue insu-01362335v1
ROSINA/DFMS and IES observations of 67P: Ion-neutral chemistry in the coma of a weakly outgassing comet S. A. Fuselier,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,A. Bieleret al. Astronomy & Astrophysics - A&A, 2015, 583, A2 (13 p.). ⟨10.1051/0004-6361/201526210⟩ Article dans une revue insu-01199226v1
Inventory of the volatiles on comet 67P/Churyumov-Gerasimenko from Rosetta/ROSINA Léna Le Roy,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,Andre Bieleret al. Astronomy & Astrophysics - A&A, 2015, 583, A1 (12 p.). ⟨10.1051/0004-6361/201526450⟩ Article dans une revue insu-01199178v1
Comet 67P/Churyumov-Gerasimenko sheds dust coat accumulated over the past four years Rita Schulz,Martin Hilchenbach,Yves Langevin,Jochen Kissel,Johan Silenet al. Nature, 2015, 518 (7538), pp.216-218. ⟨10.1038/nature14159⟩ Article dans une revue insu-01182128v1
Composition-dependent outgassing of comet 67P/Churyumov-Gerasimenko from ROSINA/DFMS. Implications for nucleus heterogeneity? A. Luspay-Kuti,M. Hässig,S. A. Fuselier,K. E. Mandt,Kathrin Altwegget al. Astronomy & Astrophysics - A&A, 2015, 583, A4 (8 p.). ⟨10.1051/0004-6361/201526205⟩ Article dans une revue insu-01206306v1
Comparison of 3D kinetic and hydrodynamic models to ROSINA-COPS measurements of the neutral coma of 67P/Churyumov-Gerasimenko Andre Bieler,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelier,Ursina Calmonteet al. Astronomy & Astrophysics - A&A, 2015, 583, pp.A7. ⟨10.1051/0004-6361/201526178⟩ Article dans une revue insu-01200510v1
Correcting peak deformation in Rosetta's ROSINA/DFMS mass spectrometer Johan de Keyser,Federik Dhooghe,Andrew Gibbons,Kathrin Altwegg,Hans Balsigeret al. International Journal of Mass Spectrometry, 2015, 393, pp.41-51. ⟨10.1016/j.ijms.2015.10.010⟩ Article dans une revue insu-01219657v1
Detection of argon in the coma of comet 67P/Churyumov-Gerasimenko Hans Balsiger,Kathrin Altwegg,Akiva Bar-Nun,Jean-Jacques Berthelier,Andre Bieleret al. Science Advances , 2015, 1 (8), pp.E1500377 ⟨10.1126/sciadv.1500377⟩ Article dans une revue hal-01346022v1
COSIMA calibration for the detection and characterization of the cometary solid organic matter Léna Le Roy,Anais Bardyn,Christelle Briois,Hervé Cottin,Nicolas Frayet al. Planetary and Space Science, 2015, 105, pp.1-25. ⟨10.1016/j.pss.2014.08.015⟩ Article dans une revue insu-01181240v1
Organic compounds on comet 67P/Churyumov-Gerasimenko revealed by COSAC mass spectrometry Fred Goesmann,Helmut Rosenbauer,Jan Hendrik Bredehoft,Michel Cabane,Pascale Ehrenfreundet al. Science, 2015, 349 (6247), pp.aab0689. ⟨10.1126/science.aab0689⟩ Article dans une revue insu-01182551v1
67P/Churyumov-Gerasimenko, a Jupiter family comet with a high D/H ratio Kathrin Altwegg,Hans Balsiger,A. Bar-Nun,Jean-Jacques Berthelier,Andre Bieleret al. Science, 2015, 347 (6220), 3 p. ⟨10.1126/science.1261952⟩ Article dans une revue hal-01346024v1
Formation of analogs of cometary nitrogen-rich refractory organics from thermal degradation of tholin and hcn polymer Jean-Yves Bonnet,Eric Quirico,Arnaud Buch,Roland Thissen,Cyril Szopaet al. Icarus, 2015, 250, pp.53-63. ⟨10.1016/j.icarus.2014.11.006⟩ Article dans une revue istex hal-01088866v1
Molecular nitrogen in comet 67P/Churyumov-Gerasimenko indicates a low formation temperature Martin Rubin,Kathrin Altwegg,Hans Balsiger,A. Bar-Nun,Jean-Jacques Berthelieret al. Science, 2015, 348 (6231), pp.232-235. ⟨10.1126/science.aaa6100⟩ Article dans une revue hal-01346031v1
Solar wind sputtering of dust on the surface of 67P/Churyumov-Gerasimenko Peter Wurz,Martin Rubin,Kathrin Altwegg,Hans Balsiger,Jean-Jacques Berthelieret al. Astronomy & Astrophysics - A&A, 2015, 583, A22 (9 p.). ⟨10.1051/0004-6361/201525980⟩ Article dans une revue insu-01206313v1
The capabilities of ROSINA/DFMS to measure argon isotopes at comet 67P/Churyumov-Gerasimenko Myrtha Hässig,Kathrin Altwegg,Jean-Jacques Berthelier,U. Calmonte,J. de Keyseret al. Planetary and Space Science, 2015, 105, pp.175-178. ⟨10.1016/j.pss.2014.11.015⟩ Article dans une revue istex hal-01085254v1
Time variability and heterogeneity in the coma of 67P/Churyumov-Gerasimenko Myrtha Hässig,Kathrin Altwegg,Hans Balsiger,A. Bar-Nun,Jean-Jacques Berthelieret al. Science, 2015, 347 (6220), ⟨10.1126/science.aaa0276⟩ Article dans une revue hal-01346055v1
Abundant molecular oxygen in the coma of comet 67P/Churyumov–Gerasimenko Andre Bieler,Kathrin Altwegg,Hans Balsiger,Akiva Bar-Nun,Jean-Jacques Berthelieret al. Nature, 2015, 526 (7575), pp.678-681. ⟨10.1038/nature15707⟩ Article dans une revue hal-01346075v1
On the prospective detection of polyoxymethylene in comet 67P/Churyumov-Gerasimenko with the COSIMA instrument onboard Rosetta Léna Le Roy,G. Briani,Christelle Briois,H. Cottin,N. Frayet al. Planetary and Space Science, 2012, 65, pp.83-92. ⟨10.1016/j.pss.2012.01.011⟩ Article dans une revue istex in2p3-00779619v1
Very high resolution mass spectrometry of HCN polymers and tholins Véronique Vuitton,Jean-Yves Bonnet,Maeliss Frisari,Roland Thissen,Eric Quiricoet al. Faraday Discussions, 2010, 147, pp.495-508. ⟨10.1039/C003758C⟩ Article dans une revue istex hal-00510369v1

Thèse (1)

Préparation à la caractérisation in-situ de la matière organique cométaire par spectrométrie de masse : application à l'instrument COSIMA Léna Le Roy Autre. Université d'Orléans, 2011. Français. ⟨NNT : ⟩ Thèse tel-00763072v1