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1. Meteorix camera tests for space-based meteor observations

Author

Rambaux, Nicolas, Vaubaillon, Jérémie, Derelle, Sophie, Jacquart, Marc, Millet, Maxime, Lacassagne, Lionel, Petreto, Andrea, Simoneau, Pierre, Baillié, K, Desmars, J, Galayko, Dimitri, Chotin, Roselyne, Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Lille-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), DOTA, ONERA, Université Paris Saclay [Palaiseau], ONERA-Université Paris-Saclay, Architecture et Logiciels pour Systèmes Embarqués sur Puce (ALSOC), LIP6, Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Circuits Intégrés Numériques et Analogiques (CIAN)

Subjects
[INFO.INFO-AR]Computer Science [cs]/Hardware Architecture [cs.AR], [INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing, [INFO.INFO-AO]Computer Science [cs]/Computer Arithmetic, [INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV], [INFO.INFO-DS]Computer Science [cs]/Data Structures and Algorithms [cs.DS], [INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV], [INFO.INFO-RB]Computer Science [cs]/Robotics [cs.RO], [INFO.INFO-SE]Computer Science [cs]/Software Engineering [cs.SE], [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM], [INFO.INFO-DC]Computer Science [cs]/Distributed, Parallel, and Cluster Computing [cs.DC], [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, [SPI.AUTO]Engineering Sciences [physics]/Automatic
Abstract

International audience; Meteorix is a Universitary CubeSat dedicated to be a demonstrator for the detection and characterisation of meteors and space debris. Its payload is an onboard camera and detection chain. Usually, cameras on CubeSat are used for daylight observations and this proceeding present some tests realized with a sensitive CMOS camera, which is also used in the martian rovers for imaging purposes. In-lab tests were conducted to measure the spectral response. First on-sky images were performed during the 2020 Geminids meteor shower from the Paris area. Follow-up tests were performed from Observatoire de Haute-Provence during the 2021 η-Aquariids meteor shower. Capabilities and needed modifications for meteor detection were identified.

Published
2021

2. Meteorix: A cubesat mission dedicated to the detection of meteors and space debris

Author

Rambaux, Nicolas, Vaubaillon, Jérémie, Derelle, Sophie, Jacquart, Marc, Millet, Maxime, Lacassagne, Lionel, PETRETO, Andrea, Simoneau, Pierre, Baillié, K, Desmars, J, Galayko, Dimitri, Chotin, Roselyne, Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Lille-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), DOTA, ONERA, Université Paris Saclay [Palaiseau], ONERA-Université Paris-Saclay, Architecture et Logiciels pour Systèmes Embarqués sur Puce (ALSOC), LIP6, Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Circuits Intégrés Numériques et Analogiques (CIAN)

Subjects
[INFO.INFO-AR]Computer Science [cs]/Hardware Architecture [cs.AR], [INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing, [INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV], [INFO.INFO-AO]Computer Science [cs]/Computer Arithmetic, [INFO.INFO-DS]Computer Science [cs]/Data Structures and Algorithms [cs.DS], [INFO.INFO-RB]Computer Science [cs]/Robotics [cs.RO], [INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV], [INFO.INFO-SE]Computer Science [cs]/Software Engineering [cs.SE], [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM], [INFO.INFO-DC]Computer Science [cs]/Distributed, Parallel, and Cluster Computing [cs.DC], [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, ComputingMilieux_MISCELLANEOUS, [SPI.AUTO]Engineering Sciences [physics]/Automatic
Abstract

International audience

Published
2021

3. Cored dark-matter profiles in z≃1 star forming galaxies

Author

Bouché, N.F., Bera, S., Krajnović, D., Emsellem, E., Mercier, W., Schaye, J., Epinat, B., Richard, J., Zoutendijk, S.L., Abril-Melgarejo, V., Brinchmann, J., Bacon, R., Contini, T., Boogaard, L., Wisotzki, L., Maseda, M., Steinmetz, M., Siebert, A., Baillié, K., Lagarde, N., Malzac, J., Marquette, J-., N'Diaye, M, Venot, O., and Lagadec E.

Subjects
Galaxies: high-redshift, Galaxies: kinematics and dynamics, Methods, Data analysis, Galaxies: evolution
Published
2021

4. The PHEMU15 catalogue and astrometric results of the Jupiter's Galilean satellite mutual occultation and eclipse observations made in 2014-2015

Author

Saquet, E. Emelyanov, N. Robert, V. Arlot, J.-E. Anbazhagan, P. Baillié, K. Bardecker, J. Berezhnoy, A.A. Bretton, M. Campos, F. Capannoli, L. Carry, B. Castet, M. Charbonnier, Y. Chernikov, M.M. Christou, A. Colas, F. Coliac, J.-F. Dangl, G. Dechambre, O. Delcroix, M. Dias-Oliveira, A. Drillaud, C. Duchemin, Y. Dunford, R. Dupouy, P. Ellington, C. Fabre, P. Filippov, V.A. Finnegan, J. Foglia, S. Font, D. Gaillard, B. Galli, G. Garlitz, J. Gasmi, A. Gaspar, H.S. Gault, D. Gazeas, K. George, T. Gorda, S.Y. Gorshanov, D.L. Gualdoni, C. Guhl, K. Halir, K. Hanna, W. Henry, X. Herald, D. Houdin, G. Ito, Y. Izmailov, I.S. Jacobsen, J. Jones, A. Kamoun, S. Kardasis, E. Karimov, A.M. Khovritchev, M.Y. Kulikova, A.M. Laborde, J. Lainey, V. Lavayssiere, M. Le Guen, P. Leroy, A. Loader, B. Lopez, O.C. Lyashenko, A.Y. Lyssenko, P.G. Machado, D.I. Maigurova, N. Manek, J. Marchini, A. Midavaine, T. Montier, J. Morgado, B.E. Naumov, K.N. Nedelcu, A. Newman, J. Ohlert, J.M. Oksanen, A. Pavlov, H. Petrescu, E. Pomazan, A. Popescu, M. Pratt, A. Raskhozhev, V.N. Resch, J.-M. Robilliard, D. Roschina, E. Rothenberg, E. Rottenborn, M. Rusov, S.A. Saby, F. Saya, L.F. Selvakumar, G. Signoret, F. Slesarenko, V.Y. Sokov, E.N. Soldateschi, J. Sonka, A. Soulie, G. Talbot, J. Tejfel, V.G. Thuillot, W. Timerson, B. Toma, R. Torsellini, S. Trabuco, L.L. Traverse, P. Tsamis, V. Unwin, M. Van Den Abbeel, F. Vandenbruaene, H. Vasundhara, R. Velikodsky, Y.I. Vienne, A. Vilar, J. Vugnon, J.-M. Wuensche, N. Zeleny, P.

Subjects
Physics::Space Physics, Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics
Abstract

During the 2014-2015 mutual events season, the Institut de Mécanique Céleste et de Calcul des Éphémérides (IMCCE), Paris, France, and the Sternberg Astronomical Institute (SAI), Moscow, Russia, led an international observation campaign to record ground-based photometric observations of Galilean moon mutual occultations and eclipses.We focused on processing the complete photometric observations data base to compute new accurate astrometric positions. We used our method to derive astrometric positions from the light curves of the events. We developed an accurate photometric model of mutual occultations and eclipses, while correcting for the satellite albedos, Hapke's light scattering law, the phase effect, and the limb darkening. We processed 609 light curves, and we compared the observed positions of the satellites with the theoretical positions from IMCCE NOE-5-2010-GAL satellite ephemerides and INPOP13c planetary ephemeris. The standard deviation after fitting the light curve in equatorial positions is ±24 mas, or 75 km at Jupiter. The rms (O-C) in equatorial positions is ±50 mas, or 150 km at Jupiter. © 2017 The Author(s).

Published
2018

5. Origin of Refractory Inclusion Diversity by Turbulent Transport in the Inner Solar Nebula

Author

Taillifet, E., Baillié, K., Charnoz, S., Aléon, J., Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), CSNSM AS, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and bonnardel, emilie

Subjects
[PHYS.ASTR.EP] Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP] Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
Published
2014

6. Formation and evolution of CAIs in a turbulent and thermally zoned solar nebula

Author

Taillifet, E., Baillié, K., Charnoz, S., Aléon, J., CSNSM AS, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
Published
2013

7. Igneous CAI Growth by Coagulation and Partial Melting of Smaller Proto-CAIs: Insights from a Compact Type A CAI and from Modeling

Author

Aléon, J., Marin-Carbonne, J., Taillifet, E., Mckeegan, K. D., Charnoz, S., Baillié, K., CSNSM AS, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Computer Science::Computational Complexity, Computer Science::Data Structures and Algorithms, Computer Science::Information Theory
Abstract

International audience; Mineral chemistry mapping and O-isotope study of a compact type A CAI and coagulation modeling bring new information about CAI growth in the solar nebula.

Published
2013

8. Insights on CAIs Thermal History from Turbulent Transport Simulations of Micron-Sized Precursors in the Early Solar Nebula

Author

Taillifet, E., Baillié, K., Charnoz, S., Aléon, J., CSNSM AS, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], Astrophysics::Earth and Planetary Astrophysics
Abstract

International audience; Using numerical simulations we showed that turbulent transport in a thermally zoned protoplanetary disk might be at the origin of CAIs complexity and diversity.

Published
2013

9. The Formation Of The First Solids In The Solar System: An Investigation Of CAI Diversity

Author

Taillifet, E., Baillié, K., Charnoz, S., Aléon, J., Hadrossek, Christine, CSNSM AS, Laboratoire d'Astrophysique de Grenoble (LAOG), Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)

Subjects
[PHYS.ASTR.EP] Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [SDU.ASTR.EP] Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
Abstract

Chondritic meteorites are primitive bodies and therefore an important source of information on the first moments of planets formation. Chondrites contain several materials especially calcium and aluminum rich inclusions (CAIs), known to be the oldest objects of the solar system (4.567 Gyr - Amelin et al., 2002; Connelly et al., 2008) and thus the first solids to be formed. CAIs appear in various textures, sizes and compositions in chondrites. Though, all of them should have formed at high temperature (1300-1800 K) in the same region of the solar nebula by condensation from the gas (e.g. Grossman, 1972; Yoneda & Grossman, 1995; Petaev & Wood, 1998; Ebel & Grossman 2000). To answer this problem we study the CAI formation within the solar nebula using numerical simulations. For this work we developed a self consistent thermodynamical model of the solar nebula (see associated talk from Baillié et. al ) based on previous works (Calvet et. al, 1991; Hueso & Guillot, 2005; Dullemond, Dominik and Natta, 2001). Using this model, we simulate the young system with Lagrangian Implicit Disk Transport code (LIDT - Charnoz et. al, 2010). We will focus on the very first instants of the CAIs within the few years following their condensation. We will report our first results in terms of thermal history and investigate if turbulence-driven transport may explain the CAI diversity.

Published
2012

10. The Hi-5 nulling instrument and SCIFYsim: an end-to-end simulator for integrated optics beam combiners

Author

Laugier, R, Defrère, D, Bigioli, A, Siebert, A, Baillié, K, Lagadec, E, Lagarde, N, Malzac, J, Marquette, J-B, N’Diaye, M, Richard, J, and Venot, O

Abstract

keywords: High contrast, nulling interferometry, long-baseline interferometry, simulations adsurl: https://ui.adsabs.harvard.edu/abs/2021sf2a.conf..339L adsnote: Provided by the SAO/NASA Astrophysics Data System No ISBN or ISSN. ispartof: pages:339-342 ispartof: SF2A-2021: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics pages:339-342 ispartof: SF2A-2021 location:Online status: Published online

Published
2021

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