Astronomer at Paris Observatory,

LNE-SYRTE, CNRS UMR8630, UPMC,

Team Theory and Metrology.

Observatoire de Paris, SYRTE

77 Avenue Denfert Rochereau

75014 Paris

Fields of research:

tel: +33 1 40 51 20 20

mail: christophe.leponcin AT obspm.fr

Refeered Publications:

  1. C. Le Poncin-Lafitte, B. Linet and P. Teyssandier, World function and time transfer function: general post-Minkowskian expansions, Classical and Quantum Gravity, Volume 21, Issue 18, pp. 4463-4483, 2004.
  2. C. Le Poncin-Lafitte and S. Lambert, Numerical study of relativistic frequency shift for the cold-atom clock experiment in space, Classical and Quantum Gravity, Volume 24, Issue 4, pp. 801-808, 2007.
  3. J. Souchay, C. Le Poncin-Lafitte and A. H. Andrei, Close approaches between Jupiter and quasars with possible application to the scheduled GAIA mission, Astronomy and Astrophysics, Volume 471, Issue 1, pp.335-343, 2007.
  4. J. Souchay, S. Lambert and C. Le Poncin-Lafitte, A comparative study of rigid Earth, non-rigid Earth nutation theories, and observational data, Astronomy and Astrophysics, Volume 472, Issue 2, pp.681-689, 2007.
  5. C. Le Poncin-Lafitte and P. Teyssandier, Influence of mass multipole moments on the deflection of a light ray by an isolated axisymmetric body, Physical Review D, vol. 77, Issue 4, id. 044029, 2008.
  6. J. Souchay, S. Lambert, A. H. Andrei, S. Bouquillon, C. Barache and C. Le Poncin-Lafitte, Astrometric comparisons of quasar catalogues, Astronomy and Astrophysics, Volume 485, Issue 1, pp.299-302, 2008.
  7. P. Teyssandier and C. Le Poncin-Lafitte, General post-Minkowskian expansion of time transfer functions, Classical and Quantum Gravity, Volume 25, Issue 14, pp. 145020 2008.
  8. J. Souchay, A. H. Andrei, C. Barache, S. Bouquillon, A.-M. Gontier, S. Lambert, C. Le Poncin-Lafitte, F. Taris, E. F. Arias, D. Suchet and M. Baudin, The construction of the large quasar astrometric catalogue (LQAC), Astronomy and Astrophysics, Volume 494, Issue 2, pp.799-815, 2009.
  9. S. Mathis and C. Le Poncin-Lafitte, Tidal dynamics of extended bodies in planetary systems and multiple stars, Astronomy and Astrophysics, Volume 497, Issue 3, pp.889-910, 2009.
  10. S. Lambert and C. Le Poncin-Lafitte, Determining the relativistic parameter gamma using very long baseline interferometry, Astronomy and Astrophysics, Volume 499, Issue 1, pp.331-335, 2009.
  11. A. Fienga, J. Laskar, T. Morley, H. Manche, P. Kuchynka, C. Le Poncin-Lafitte, F. Budnik, M. Gastineau, and L. Somenzi, INPOP08, a 4-D planetary ephemeris: from asteroid and time-scale computations to ESA Mars Express and Venus Express contributions, Astronomy and Astrophysics, Volume 507, Issue 3, pp.1675-1686, 2009.
  12. S. Charnoz, A. Crida, J. Castillo-Rogez, V. Lainey, L. Dones, O. Karatekin, G. Tobie, S. Mathis, C. Le Poncin-Lafitte and J. Salmon, Accretion of Saturn's mid-sized moons during the viscous spreading of young massive rings: Solving the paradox of silicate-poor rings versus silicate-rich moons, Icarus, Volume 216, Issue 2, p. 535-550, 2011.
  13. S. Lambert and C. Le Poncin-Lafitte, Improved determination of gamma by VLBI, Astronomy and Astrophysics, Volume 529, id.A70, 2011.
  14. V. Lainey, O. Karatekin, J. Desmars, S. Charnoz, J.-E. Arlot, N. Emelyanov, C. Le Poncin-Lafitte, S. Mathis, F. Remus, G. Tobie, J.-P. Zahn, Strong tidal dissipation in Saturn and constraints on Enceladus' thermal state from astrometry, accepted ApJ.
  15. J. Oberst, V. Lainey, C. Le Poncin-Lafitte, V. Dehant, P. Rosenblatt, S. Ulamec, J. Biele, J. Spurmann, R. Kahle, V. Klein, U. Schriber, A. Schlicht, N. Rambaux, P. Laurent, B. Noyelles, B. Foulon, A. Zakharov, L. Gurvits, D. Uchaev, S. Murchie, C. Reed, S. Turyshev, J. Gil, M. Graziano, K. Willner, K. Wickhusen, A. Pasewaldt, M. Wählisch, H. Hoffmann, GETEMME - A mission to Explore the Martian satellites and the Fundamentals of Solar System Physics -, accepted Exp. Astronomy.
  16. A. Hees, B. Lamine, S. Reynaud, M.-T. Jaekel, C. Le Poncin-Lafitte, V. Lainey, A. Füzfa, J.-M. Courty, V. Dehant, P. Wolf, Radioscience simulations in General Relativity and in alternative theories of gravity, submitted PRD.