Laboratoire LAGRANGE
ACTI (2018)
ACTI : Communications avec actes dans un congrès international

  1. Aristidi, Eric and Fanteï-Caujolle, Yan and Renaud, Catherine and Ziad, Aziz and Ben Rahhal, Malak and Chabé, J. "Turbulence monitoring at the Plateau de Calern with the GDIMM instrument" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2313352) (https://hal.archives-ouvertes.fr/hal-02308837)

  2. Bailey, Vanessa P. and Bottom, Michael and Cady, Eric and Cantalloube, Faustine and de Boer, Jozua and Groff, Tyler and Krist, John and Millar-Blanchaer, Maxwell A. and Vigan, Arthur and Chilcote, Jeffrey and Choquet, Elodie and De Rosa, Robert J. and Girard, Julien H. and Guyon, Olivier and Kern, Brian and Lagrange, Anne-Marie and Macintosh, Bruce and Males, Jared R. and Marois, Christian and Meshkat, Tiffany and Milli, Julien and N'diaye, Mamadou et al. (29 auteurs) "Lessons for WFIRST CGI from ground-based high-contrast systems" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2313820) (https://hal.archives-ouvertes.fr/hal-02118127)

  3. Beaulieu, Mathilde and Abe, Lyu and Guyon, Olivier and Gouvret, Carole and Preis, Oliver and Dejonghe, Julien and Martinez, Patrice "An end-to-end Fresnel propagation model for SPEED: PIAACMC implementation and performance" Ground-based and Airborne Telescopes VII (2018) (doi:10.1117/12.2311668) (https://hal.archives-ouvertes.fr/hal-02308832)

  4. Bertaina, Mario and Castellina, Antonella and Cremonini, Roberto and Fenu, Francesco and Klimov, Pavel and Salsi, Anthony and Sharakin, Sergey and Shinozaki, Kenji and Zotov, Mikhail "Search for Extreme Energy Cosmic Rays with the TUS orbital telescope and comparison with ESAF" Ultra High Energy Cosmic Rays (2018) (doi:10.1051/epjconf/201921006006) (https://hal.archives-ouvertes.fr/hal-02153601)

  5. Binzel, Richard P. and Demeo, Francesca and Morbidelli, Alessandro and Carry, Benoit and Granvik, Mikael and Burbine, Thomas and Vernazza, Pierre and Birlan, Mirel "Near-Earth Asteroid and Meteorite Source Regions: The Big Picture" DPS2019 (2018) (https://hal.archives-ouvertes.fr/hal-02350075)

  6. Bitsch, Bertram and Izidoro, André and Raymond, Sean N. and Johansen, Anders and Morbidelli, Alessandro and Lambrechts, Michiel and Jacobson, Seth A. "Formation of Planetary Systems from Pebble Accretion and Migration III: The Formation of Gas Giants" American Astronomical Society, DPS meeting #50, id.101.07 held 21-26 October 2018 - Knoxville, Tenessee US (2018) (https://hal.archives-ouvertes.fr/hal-01904802)

  7. Castignani, G. and Combes, F. and Salomé, P. and Benoist, C. and Chiaberge, M. and Freundlich, J. and De Zotti, G. "Molecular gas in radio galaxies at $z=0.4-2.6$ in (proto-)cluster environment" 30th General Assembly of the International Astronomical Union (2018) (https://hal.archives-ouvertes.fr/hal-01937535)

  8. Cellino, Alberto and Tanga, Paolo and Delbo, Marco and Galluccio, Laurent and Bendjoya, Philippe and De Angeli, Francesca "Using Gaia spectrophotometric data for the purposes of asteroid taxonomy" SPIE Astronomical Telescopes + Instrumentation (2018) (doi:10.1017/s1743921317005403) (https://hal.archives-ouvertes.fr/hal-02308824)

  9. Chabé, Julien and Giauffret, Thibault and Phung Dhuy, Hà and Ziad, Aziz and Aristidi, Eric and Ben Rahhal, Malak and Samain, Etienne and Fanteï-Caujolle, Yan "Study of the local optical turbulence in a 1.5m telescope dome with the INTENSE instrument" Ground-based and Airborne Telescopes VII (2018) (doi:10.1117/12.2312419) (https://hal.archives-ouvertes.fr/hal-02308800)

  10. Chun, Mark and Abdurrahman, Fatima and Service, Maxwell and Toomey, Douglas R. and Baranec, Christoph and Hayano, Yutaka and Oya, Shin and Fohring, Dora and Lu, Jessica and Lai, Olivier "On-sky results from the wide-field ground-layer adaptive optics demonstrator 'imaka" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2311956) (https://hal.archives-ouvertes.fr/hal-02308798)

  11. Courty, Nicolas and Flamary, Rémi and Ducoffe, Mélanie "Learning Wasserstein Embeddings" ICLR 2018 - 6th International Conference on Learning Representations (2018) (https://hal.inria.fr/hal-01956306)

  12. Crida, A. and Ligi, R. and Dorn, C. and Lebreton, Y. "Mass, radius, and composition of the transiting planet 55 Cnc e : using interferometry and correlations" SF2A Week (2018) (https://hal-univ-rennes1.archives-ouvertes.fr/hal-02112627)

  13. Crouzet, Nicolas and Mekarnia, D. and ... and Guillot, Tristan and Abe, Lyu and Agabi, A. and Fantei-Caujolle, Y. and ... and Rivet, Jean-Pierre and Chapellier, Eric and Schmider, François-Xavier and ... and Gouvret, Carole and Aristidi, Eric et al. (30 auteurs) "A 76 day period G-M eclipsing binary discovered from Dome C, Antarctica" SCAR/IASC Open Science Conference (2018) (https://hal.archives-ouvertes.fr/hal-02477413)

  14. Damodaran, Bharath Bhushan and Kellenberger, Benjamin and Flamary, Remi and Tuia, Devis and Courty, Nicolas "DeepJDOT: Deep Joint Distribution Optimal Transport for Unsupervised Domain Adaptation" ECCV 2018 - 15th European Conference on Computer Vision (2018) (doi:10.1007/978-3-030-01225-0_28) (https://hal.inria.fr/hal-01956356)

  15. Deienno, Rogerio and Izidoro, A. and Morbidelli, Alessandro and Gomes, Rodney and Nesvorny, David and Raymond, Sean N. "Exciting an Initially Cold Asteroid Belt Through a Planetary Instability" American Astronomical Society, DDA meeting #49, id.#203.06 (2018) (https://hal.archives-ouvertes.fr/hal-01769729)

  16. Douglas, Ewan and Zimmerman, Neil and Ruane, Garreth and Mazoyer, Johan and Riggs, A.J. Eldorado and Carlomagno, Brunella and Huby, Elsa and Fogarty, Kevin and Por, Emiel and Absil, Olivier and Baudoz, Pierre and Galicher, Raphaël and Beaulieu, Mathilde and ... and N'Diaye, Mamadou et al. (32 auteurs) "Review of high-contrast imaging systems for current and future ground- and space-based telescopes I: coronagraph design methods and optical performance metrics" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2312948) (https://hal.archives-ouvertes.fr/hal-02308236)

  17. Folcher, Jean-Pierre and Lazzarini, Paolo and Rousseau, Sylvain "SoC-based real-time controller for piezo-positioning using Matlab/Simulink" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2314098) (https://hal.archives-ouvertes.fr/hal-02308697)

  18. Folcher, Jean-Pierre and Lazzarini, Paolo "Control of piezoelectric actuator with hysteresis and creep" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2314141) (https://hal.archives-ouvertes.fr/hal-02308767)

  19. Gallart, Carme and Ruiz-Lara, Tomás and Bernard, Edouard J. and Brook, Chris and Cassisi, Santi and Hill, Vanessa and Monelli, Matteo "The Evolutionary history of the Milky Way discs and halo from Gaia DR2 colour-magnitude diagram fitting" The Gaia Universe (2018) (https://hal.archives-ouvertes.fr/hal-02380983)

  20. Izidoro, André and Bitsch, Bertram and Raymond, Sean N. and Johansen, Anders and Morbidelli, Alessandro and Lambrechts, Michiel and Jacobson, Seth A. "Formation of planetary systems from pebble accretion and migration II: Hot super-Earth systems from breaking compact resonant chains" American Astronomical Society, DPS meeting #50, id.101.06 held 21-26 October 2018 - Knoxville, Tenessee US (2018) (https://hal.archives-ouvertes.fr/hal-01904798)

  21. Jacobson, Seth A. and Lambrechts, Michiel and Morbidelli, Alessandro and Johansen, Anders and Bitsch, Bertram and Izidoro, André and Raymond, Sean N. "Formation of planetary systems from pebble accretion and migration I: the growth dichotomy between close-in rocky super-Earth systems and terrestrial planets" American Astronomical Society, DPS meeting #50, id.101.05 held 21-26 October 2018 - Knoxville, Tenessee US (2018) (https://hal.archives-ouvertes.fr/hal-01904793)

  22. Jovanovic, Nemanja and Guyon, Olivier and N'diaye, Mamadou and ... and Beaulieu, Mathilde et al. (31 auteurs) "Review of high-contrast imaging systems for current and future ground-based and space-based telescopes: Part II. Common path wavefront sensing/control and coherent differential imaging" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2314260) (https://hal.archives-ouvertes.fr/hal-02308750)

  23. Kordopatis, Georges "Metallicity distribution functions using Gaia-DR1 data" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1017/s174392131700597x) (https://hal.archives-ouvertes.fr/hal-02308722)

  24. Lagarde, Stephane and Robbe-Dubois, Sylvie and Allouche, Fatmé and Berio, Philippe and Cruzalèbes, Pierre and Lopez, Bruno and Petrov, Romain G. and Millour, Florentin and Matter, Alexis and ... and Bailet, Christophe and Bresson, Yves and ... and Fanteï-Caujolle, Yan and Marcotto, Aurelie and Meilland, Anthony and ... and Rousseau, Sylvain and ... and Chelli, Alain and Guitton, Florence and ... and Pichon, Bernard and Spang, Alain and ... and Stee, Philippe et al. (61 auteurs) "MATISSE: Performance in laboratory, results of AIV in Paranal, and first results on sky" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2313270) (https://hal.archives-ouvertes.fr/hal-02323487)

  25. Laginja, Iva and Brady, Gregory and Soummer, Rémi and Egron, Sylvain and Moriarty, Christopher and Lajoie, Charles-Philippe and Bonnefois, Aurélie and Michau, Vincent and Choquet, Elodie and Ferrari, Marc and Leboulleux, Lucie and Levecq, Olivier and N'diaye, Mamadou and Perrin, Marshall and Petrone, Peter and Pueyo, Laurent and Sivaramakrishnan, Anand "James Webb Space Telescope optical simulation testbed V: wide-field phase retrieval assessment" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2313892) (https://hal.archives-ouvertes.fr/hal-02308710)

  26. Lai, Olivier and Chun, Mark and Abdurrahman, Fatima and Lu, Jessica and Service, Maxwell and Fohring, Dora and Toomey, Douglas R. "Deconstructing turbulence and optimising GLAO using imaka telemetry" SPIE Astronomical Telescopes + Instrumentation (2018) (doi:10.1117/12.2313356) (https://hal.archives-ouvertes.fr/hal-02308705)

  27. Lai, Olivier and Guerin, William and Vakili-Christensen, Farrokh and Rivet, Jean-Pierre and Labeyrie, Guillaume and Fouché, Mathilde and Vernet, David and Kaiser, Robin and Chabé, Julien and Courde, Clément and Samain, Etienne "Intensity interferometry revival on the C{^o}te d'Azur" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2309491) (https://hal.archives-ouvertes.fr/hal-01902571)

  28. Leboulleux, Lucie and Pueyo, Laurent and Sauvage, Jean-François and Fusco, Thierry and Mazoyer, Johan and Sivaramakrishnan, Anand and N'diaye, Mamadou and Soummer, Rémi "Sensitivity analysis for high-contrast imaging with segmented space telescopes" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2313904) (https://hal.archives-ouvertes.fr/hal-02308687)

  29. Lopez, Bruno and Lagarde, Stephane and Matter, Alexis and ... and Cruzalèbes, Pierre and Allouche, Fatmé and ... and Bailet, Christophe and Berio, Philippe and ... and Bresson, Yves and ... and Delbò, Marco and ... and Fanteï-Caujolle, Yan and ... and Meilland, Anthony and ... and Millour, Florentin and ... and Petrov, Romain G. and Robbe-Dubois, Sylvie and ... and Stee, Philippe et al. (43 auteurs) "The installation and ongoing commissioning of the MATISSE mid-infrared interferometer at the ESO Very Large Telescope Observatory" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2313388) (https://hal.archives-ouvertes.fr/hal-02323520)

  30. Lozi, Julien and Guyon, Olivier and Jovanovic, Nemanja and Goebel, Sean and Pathak, Prashant and Skaf, Nour and Sahoo, Ananya and Norris, Barnaby and Martinache, Frantz and ... and Cvetojevic, Nick et al. (34 auteurs) "SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2314282) (https://hal.archives-ouvertes.fr/hal-02308656)

  31. Lozi, Julien and Guyon, Olivier and Jovanovic, Nemanja and Goebel, Sean and Pathak, Prashant and Skaf, Nour and Sahoo, Ananya and Norris, Barnaby and Martinache, Frantz and N'diaye, Mamadou and ... and Cvetojevic, Nick et al. (40 auteurs) "SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2314282) (https://hal.archives-ouvertes.fr/hal-03033809)

  32. Lu, Jessica and Chun, Mark and Lai, Olivier and Kassis, Marc and Ammons, S. Mark and Martins, Crystal and Wizinowich, Peter and Dekany, Richard and Gavel, Don and Do, Tuan and Wang, Lianqi and Steideil, Chuck and Bundy, Kevin and Westfall, Kyle and Max, Claire "Ground layer adaptive optics for the W. M. Keck Observatory: feasibility study" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2314417) (https://hal.archives-ouvertes.fr/hal-02308635)

  33. Martinez, Patrice and Janin-Potiron, Pierre and Beaulieu, Mathilde and Gouvret, Carole and Dejonghe, Julien and Spang, Alain and Postnikova, Marina Yu. and Baudoz, Pierre and Guyon, Olivier and Preis, Olivier and Abe, Lyu and N'diaye, Mamadou and Marcotto, Aurelie "The segmented pupil experiment for exoplanet detection: Part 3. Advances and first light with segments cophasing" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2313551) (https://hal.archives-ouvertes.fr/hal-02308613)

  34. Meftah, Mustapha and Corbard, Thierry and Morand, Frédéric and Renaud, Catherine and Ikhlef, Rabah and Fodil, Mammar and Damé, Luc and Vieau, André-Jean "Eight years of solar observations with PICARD" SPIE Astronomical Telescopes + Instrumentation, 2018 - Observatory Operations: Strategies, Processes, and Systems VII (2018) (doi:10.1117/12.2311716) (https://hal-insu.archives-ouvertes.fr/insu-01841599)

  35. Milli, Julien and Kasper, Markus and Bourget, Pierre and Pannetier, Cyril and Mouillet, David and Sauvage, Jean-François and Reyes, Claudia and Fusco, Thierry and Cantalloube, Faustine and Tristam, Konrad and Wahhaj, Zahed and Beuzit, Jean-Luc and Girard, Julien and Mawet, Dimitri and Telle, Alexander and Vigan, Arthur and N'diaye, Mamadou "Low wind effect on VLT/SPHERE: impact, mitigation strategy, and results" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2311499) (https://hal.archives-ouvertes.fr/hal-02118141)

  36. Millour, Florentin and Ottogalli, Sébastien and ... and Marcotto, Aurelie and Agabi, Karim and Beaulieu, Mathilde and ... and Mary, David and ... and Preis, Olivier et al. (31 auteurs) "The Nice Cube (Nice$^3$) nanosatellite project" Complex days 2018 (2018) (https://hal.archives-ouvertes.fr/hal-01815444)

  37. Monnier, John and Kraus, Stefan and Bonsor, Amy and Baron, Fabien and Berger, Jean and Boyajian, Tabetha and Chiavassa, Andrea and ... and Millour, Florentin and ... and Morbidelli, Alessandro and ... and Petrov, Romain G. et al. (79 auteurs) "Planet formation imager: project update" Optical and Infrared Interferometry and Imaging VI - Proceedings of the SPIE, Volume 10701, id. 1070118 17 pp. (2018). 10-15 June 2018 Austin, Texas, United States (2018) (doi:10.1117/12.2312683) (https://hal.archives-ouvertes.fr/hal-01901978)

  38. Mousis, Olivier and Atkinson, David and Cavalié, T. and Fletcher, Leigh and Amato, Michael and Aslam, Shahid and Ferri, Francesca and Renard, Jean-Baptiste and Spilker, Thomas and Venkatapathy, Ethiraj and Wurz, Peter and Aplin, Karen and Coustenis, Athena and Deleuil, Magali and Dobrijevic, M. and Fouchet, Thierry and Guillot, Tristan and Hartogh, Paul and Hewagama, Tilak and Hofstadter, Mark "Scientific rationale and concepts for in situ probe exploration of Uranus and Neptune" 20th EGU General Assembly, EGU2018, Proceedings from the conference held 4-13 April, 2018 in Vienna, Austria, p.4436 (2018) (https://hal.archives-ouvertes.fr/hal-01901905)

  39. N'diaye, Mamadou and Cuevas Cardona, Salvador and Sanchez, Beatriz and Carlotti, Alexis and Vigan, Arthur and Bonnefoy, Mickaël and Beuzit, Jean-Luc and Dohlen, Kjetil "High-contrast observations of circumstellar environments with GTC/FRIDA: design and study of the coronagraphic devices" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2313155) (https://hal.archives-ouvertes.fr/hal-02308586)

  40. N'diaye, Mamadou and Soummer, Rémi and Carlotti, Alexis and Dohlen, Kjetil and Fogarty, Kevin and Mazoyer, Johan and Pueyo, Laurent and St. Laurent, Kathryn and Zimmerman, Neil "Apodized Pupil Lyot coronagraphs with arbitrary aperture telescopes: novel designs using hybrid focal plane masks" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2313225) (https://hal.archives-ouvertes.fr/hal-02308579)

  41. Petrov, Romain G. and Allouche, Fatmé and Berio, Philippe and Chelli, Alain and Cruzalèbes, Pierre and Fanteï-Caujolle, Yan and ... and Lagarde, Stephane and Lopez, Bruno and Matter, Alexis and Meilland, Anthony and Millour, Florentin and ... and Robbe-Dubois, Sylvie and Rousseau, Sylvain et al. (21 auteurs) "Commissioning MATISSE: first results" Optical and Infrared Interferometry and Imaging VI (2018) (doi:10.1117/12.2312104) (https://hal.archives-ouvertes.fr/hal-02323590)

  42. Service, Maxwell and Chun, Mark and Lu, Jessica and Fohring, Dora and Lai, Olivier and Abdurrahman, Fatima and Baranec, Christoph "Geometric distortion calibration using a pinhole mask" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2313769) (https://hal.archives-ouvertes.fr/hal-02308227)

  43. Seznec, Mickael and Gac, Nicolas and Ferrari, André and Orieux, François "A Study on Convolution Operator Using Half Precision Floating Point Numbers on GPU for Radioastronomy Deconvolution" IEEE International Workshop on Signal Processing Systems (SiPS 2018) (2018) (doi:10.1109/sips.2018.8598342) (https://hal.archives-ouvertes.fr/hal-01837982)

  44. Snik, Frans and Absil, Olivier and Baudoz, Pierre and Carlomagno, Brunella and Galicher, Raphaël and Beaulieu, Mathilde and ... and N'diaye, Mamadou and ... and Cvetojevic, Nick (33 auteurs) "Review of high-contrast imaging systems for current and future ground-based and space-based telescopes III: technology opportunities and pathways" Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III (2018) (doi:10.1117/12.2313957) (https://hal.archives-ouvertes.fr/hal-02308225)

  45. SONG, Yingying and Djermoune, El-Hadi and Chen, Jie and Richard, Cédric and Brie, David "Online deconvolution for industrial hyperspectral imaging systems" European Network for Business and Industrial Statistics, ENBIS-18 (2018) (https://hal.archives-ouvertes.fr/hal-01938063)

  46. Soummer, Rémi and Brady, Gregory R. and Brooks, Keira and Comeau, Thomas and Choquet, Elodie and Dillon, Thomas and Egron, Sylvain and Gontrum, Rob and Hagopian, John and Laginja, Iva and Leboulleux, Lucie and Perrin, Marshall D. and Petrone, Peter and Pueyo, Laurent and Mazoyer, Johan and N'diaye, Mamadou et al. (22 auteurs) "High-contrast imager for complex aperture telescopes (HiCAT): 5. first results with segmented-aperture coronagraph and wavefront control" SPIE Astronomical Telescopes + Instrumentation, 2018 (2018) (doi:10.1117/12.2314110) (https://hal.archives-ouvertes.fr/hal-02333032)

  47. Stark, Chris and Fogarty, Kevin and Mazoyer, Johan and St. Laurent, Kathryn and Soummer, Rémi and N'diaye, Mamadou and Pueyo, Laurent "Optimal deformable mirror and pupil apodization combinations for apodized pupil Lyot coronagraphs with obstructed pupils" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2314394) (https://hal.archives-ouvertes.fr/hal-02308779)

  48. St. Laurent, Kathryn and Fogarty, Kevin and Soummer, Rémi and Zimmerman, Neil and N'diaye, Mamadou and Mazoyer, Johan and Stark, Christopher and Sivaramakrishnan, Anand and Pueyo, Laurent and Shaklan, Stuart and Vanderbei, Robert "Apodized pupil Lyot coronagraphs designs for future segmented space telescopes" Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (2018) (doi:10.1117/12.2313902) (https://hal.archives-ouvertes.fr/hal-02308216)

  49. Vigan, Arthur and N'Diaye, M. and Dohlen, K. and Milli, J. and Wahhaj, Z. and Sauvage, J.-F. and Beuzit, J.-L. and Pourcelot, R. and Mouillet, D. and Zins, G. "On-sky compensation of non-common path aberrations with the ZELDA wavefront sensor in VLT/SPHERE" SPIE Astronomical Telescopes + Instrumentation Conference (2018) (doi:10.1117/12.2313656) (https://hal.archives-ouvertes.fr/hal-01827784)

  50. Ziad, Aziz and Chabé, Julien and Fanteï-Caujolle, Yan and Aristidi, Eric and Renaud, Catherine and Ben Rahhal, Malak "CATS: an autonomous station for atmospheric turbulence characterization" Adaptive Optics Systems VI (2018) (doi:10.1117/12.2313386) (https://hal.archives-ouvertes.fr/hal-02308202)


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maj vendredi 8 janvier 2021, 05:38:26 (UTC+0100)