Planning

Monday, September 11, 2023

Time Event (+)
08:15 - 09:00 Registration - Registration  
09:00 - 09:15 Welcome (Theatre) - Agnès Fienga- Christian Bizouard  
09:15 - 10:50 Reference System (Theatre) - Earth Rotation Determination / application (+)  
09:15 - 09:50 › Advances in estimation of the Earth orientation parameters from observation - Leonid Petrov, NASA Goddard Space Flight Center  
09:50 - 10:05 › Evolution of the applications of the Earth rotation time - Christian Bizouard, Observatoire de Paris SYRTE UMR8630 - GRGS -  
10:05 - 10:20 › The JTRF2020 EOP Series - Richard Gross, Jet Propulsion Laboratory, California Institute of Technology  
10:20 - 10:35 › Determination of Earth orientation parameters from Lunar Laser Ranging data - Liliane Biskupek, Institute of Geodesy, Leibniz University Hannover  
10:35 - 10:50 › Prospects and caveats of determining Earth orientation parameters from lunar laser ranging data - Dmitry Pavlov, St. Petersburg State University  
10:50 - 11:20 Coffee Break (Salle des actes)  
11:20 - 12:20 Reference System (Theatre) - Earth orientation modeling (+)  
11:20 - 11:35 › Excitations of the Earth's Chandler wobble and length of day by the Southern Ocean - Elnaz Naghibi, University of East London  
11:35 - 11:50 › Effect of the tidal mass redistribution on the Earth secular changes in length of day - Alberto Escapa, Department of Aerospace Engineering, University of León, 24071 León, Spain  
11:50 - 12:05 › A new Earth's post-Newtonian long-term precession model - Kai Tang, Shanghai Astronomical Observatory, , Chinese Academy of Science  
12:05 - 12:20 › How to establish a geodesy and time reference in space? - Anja Schlicht, FESG, Technical University of Munich  
12:20 - 13:45 Lunch (Salle des actes)  
13:45 - 15:00 Reference System (Theatre) - Earth orientation Prediction (+)  
13:45 - 14:00 › Recent and future improvements to the IERS Rapid Service / Prediction Center combined EOP solution - Maria Davis, U.S. Naval Observatory  
14:00 - 14:15 › Do we need model-based EAM forecast longer than 6-days to improve EOP predictions? - Robert Dill, GFZ Potsdam  
14:15 - 14:30 › Short-term prediction of UT1-UTC and LOD obtained via Dynamic Mode Decomposition and Vector Autoregressive Model. - Maciej Michalczak, AGH University of Krakow  
14:30 - 14:45 › Summary of the Second Earth Orientation Parameters Prediction Comparison Campaign achievements in terms of Earth rotation parameters - Jolanta Nastula, Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN)  
14:45 - 15:00 › The short-term prediction of Polar Motion and LOD using the Multivariate Multistep 1D Convolutional Neural Networks with Multioutput strategy. - Guessoum Sonia, Sonia Guessoum, Santiago Belda, Jose M. Ferrandiz, Sadegh Modiri2, Sujata Dhar, Robert Heinkelmann, Harald Schuh  
15:00 - 15:30 Coffee break (Salle des actes)  
15:30 - 17:20 Reference System (Theatre) - Space and Time (+)  
15:30 - 16:05 › The K-band (24 GHz) Celestial Reference Frame: Current Status and Roadmap - Christopher Jacobs, Jet Propulsion Laboratory - California Institute of Technology  
16:05 - 16:20 › Case study of position differences between VLBI and Gaia - Minghui Xu, German Research Centre for Geosciences - Helmholtz-Centre Potsdam  
16:20 - 16:35 › Introduction of tidal models in lunar ephemerides - Daniel Baguet, Institut de Mécanique Céleste et de Calcul des Ephémérides  
16:35 - 16:50 › Radio Sources with large changes in the apparent coordinates - Angelina Osetrova, St. Petersburg University  
16:50 - 17:05 › A Proposal for Using Very Long Baseline Interferometer Observations to Improve Lunar Ephemerides - James Hilton, U.S. Naval Observatory  
17:05 - 17:20 › The lunar solid inner core and the mantle overturn - Arthur Briaud, Observatoire de la Côte d'Azur  
17:20 - 17:30 Reference System (Salle des actes) - Poster Session (+)  
17:20 - 17:22 › Contributions of GNSS observations to UT1 in the ultra-rapid and subdiurnal bands - Yuting CHENG, SYRTE  
17:22 - 17:24 › A revised value of the Earth dynamical ellipticity HIAU2006 - Escapa Alberto, University of León  
17:24 - 17:26 › Analysis of the EOP reference series and their impact on the analysis of the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC) results - Aleksander Partyka, Centrum Badań Kosmicznych PAN  
17:26 - 17:28 › Assessment of precession-nutation predictions based on the results of the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC) - Malgorzata Winska, Warsaw University of Technology [Warsaw]  

Tuesday, September 12, 2023

Time Event (+)
09:00 - 10:35 Time (Theatre) - Measurement, transfert and dissimination (+)  
09:00 - 09:35 › Towards a continuous UTC - Patrizia TAVELLA, Bureau International des Poids et Mesures  
09:35 - 09:50 › Taking the Leap: Moving to Continuous UTC - Andy Kopf, United States Naval Observatory  
09:50 - 10:05 › Colocation of high-precision geodetic observation methods for time synchronization in context of the ACES-Mission: a simulation study - Peter Vollmair, FESG  
10:05 - 10:20 › Time and frequency transfers in optical spacetime - Adrien Bourgoin, Systèmes de Référence Temps Espace  
10:20 - 10:35 › The developments of Laser Timer Transfer with Chinese Space Station - Zhang Haifeng, Shanghai Astronomical Observatory of Chinese Academy of Sciences  
10:35 - 11:05 Coffee break (Salle des actes)  
11:05 - 12:05 Time (Theatre) - Measurement, transfert and dissimination (+)  
11:05 - 11:20 › The VLBI correlator ambiguity and the relativistic group delay model - Oleg Titov, Geoscience Australia  
11:20 - 11:35 › GPS/Galileo IPPP time links of ROB based on Atomium software - Jiang Guo, Royal Observatory of Belgium  
11:35 - 11:50 › Could optical atomic clocks contribute to the study of the Earth's temporal gravity field variations? - Chatzinikos Miltiadis, Observatoire de Paris  
11:50 - 11:55 Time (Salle des actes) - Poster Session (+)  
11:50 - 11:52 › Mission of lunar orbiter of CAS and Laser Time Transfer - Zhongping Zhang, Shanghai Astronomical Observatory of Chinese Academy of Sciences - Deng Huarong, Shanghai Astronomical Observatory of Chinese Academy of Sciences  
11:52 - 11:54 › Time synchronization for Bi-static Laser Ranging via Fiber-based Time and Frequency Transfer - Huarong Deng, Shanghai Astronomical Observatory of Chinese Academy of Sciences  
11:55 - 13:30 Lunch (Salle des actes)  
13:30 - 14:45 Reference System (Theatre) - Lunar space-time reference system (+)  
13:30 - 13:45 › Relativistic reference systems and time scales for all solar system bodies using the IAU 2000 framework - Sergei Klioner, Lohrmann-Observatorium, Technische Universität Dresden  
13:45 - 14:00 › Looking for a Lunar Reference Timescale - Pascale Defraigne, Royal Observatory of Belgium [Brussels]  
14:00 - 14:15 › Relativistic Lunar Time, Lunar Dynamics and A Proposal for an Adjusted Lunar Time - Thomas Marshall Eubanks, Space Initiatives Inc  
14:15 - 14:30 › The Cartographic Lunar Reference Frame - Brent Archinal, U. S. Geological Survey, Astrogeology Science Center, 2255 N. Gemini Drive, Flagstaff, AZ 86004; barchinal@usgs.gov  
14:30 - 14:45 › Emerging Lunar Standards - Susan Stewart, U.S. Naval Observatory  
14:45 - 15:15 Coffee break (Salle des actes)  
15:15 - 16:35 General Relativity (Theatre) - Recent Highlights (+)  
15:15 - 15:50 › Recent findings of the LIGO-Virgo-KAGRA collaboration - Marie Anne Bizouard, Astrophysique Relativiste Théories Expériences Métrologie Instrumentation Signaux  
15:50 - 16:05 › Results from the search for very-low frequency gravitational waves with the EPTA DR2 and InPTA DR1 - Aurélien Chalumeau, Dipartimento di Fisica "Giuseppe Occhialini" = Department of Physics "Giuseppe Occhialini" [Milano-Bicocca]  
16:05 - 16:20 › The MICROSCOPE experiment to test the Equivalence Principle in space - Gilles METRIS, Observatoire de la Côte d'Azur  
16:20 - 16:35 Reference System (Salle des actes) - Poster session II (+)  
16:20 - 16:22 › Lunar declination angle with global great earthquakes - Kai Tang, Shanghai Astronomical Observatory, , Chinese Academy of Science  
16:22 - 16:24 › VLBI Astrometry of Radio Stars to Link Radio and Optical Celestial Reference Frames - Jingdong Zhang, Shangai Astronomical Observatory, University of Chinese Academy of Sciences [Beijing]  
16:24 - 16:26 › The X/Ka 2023b Celestial Frame - Christopher Jacobs, Jet Propulsion Laboratory - California Institute of Technology  
16:26 - 16:28 › The XS Celestial (8 GHz) Reference Frame: current status and plans - Christopher S. Jacobs, Jet Propulsion Laboratory, California Institute of Technology  
16:28 - 16:30 › Imaging, modelfitting and source structure corrections for the K-band (24 GHz) Celestial Reference Frame - Christopher Jacobs, Jet Propulsion Laboratory, California Institute of Technology  
16:30 - 16:32 › K-band (24 GHz) Celestial Reference Frame - Christopher S. Jacobs, et Propulsion Laboratory - California Institute of Technology  
16:32 - 16:34 › Lunar reference systems framework - Nicolas Rambaux, Sorbonne Université, Institut de Mécanique Céleste et Calcul des Ephémérides  
19:00 - 22:30 Visit and Dinner at the Mont-Gros - Visit of the Grande Coupole designed by G. Eiffel and the Universarium museum and Dinner  

Wednesday, September 13, 2023

Time Event (+)
09:05 - 10:35 General Relativity (Theatre) - Tests in the solar system (+)  
09:05 - 09:20 › Testing General relativity with planetary ephemerides - Agnes Fienga, Geoazur  
09:20 - 09:35 › General relativity tests by the dynamics of the Solar system - Dmitry Pavlov, St. Petersburg State University  
09:35 - 09:50 › Relativistic tests with lunar laser ranging and planetary radio tracking data - Wei Tian, Shanghai Astronomical Observatory, Chinese Academy of Science  
09:50 - 10:05 › Using LLR Data for Testing Various Versions of the Equivalence Principle - Jürgen Müller, Leibniz University Hannover, Institute of Geodesy  
10:05 - 10:35 Coffee break (Salle des actes)  
10:35 - 12:20 General Relativity (Theatre) - Tests in the solar system II (+)  
10:35 - 10:50 › Bayesian test of the mass of the graviton with planetary ephemerides - Vincenzo Mariani, Geoazur, Observatoire de la Côte d'Azur  
10:50 - 11:05 › Searching for large dark matter clumps using the Galileo Satnav clock variations - Bruno Bertrand, Royal Observatory of Belgium  
11:05 - 11:20 › Questioning the Planck Time: Is It Truly an Elementary Unit of Time? - Olivier Minazzoli, ARTEMIS UMR 7250  
11:20 - 11:35 › Total light deflection in the gravitational field of solar system bodies - Zschocke Sven, Technical University Dresden  
12:20 - 14:00 Lunch (Salle des actes)  
  
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