Yannick Mellier Institut d'Astrophysique de Paris Observatoire de Paris/LERMA Staff astronomer at IAP in Paris, employed by Observatoire de Paris, 98 bis, Boulevard Arago 75014 Paris, France +33 (0)1 44 32 81 40 +33 (0)1 44 32 80 01 mellier@iap.fr PhD in astrophysics from Toulouse, France (1987). Moved to IAP in Jan. 1996. - Responsible of the gravitational lensing team at IAP - PI of the TERAPIX data center - PI of the Descart project - Network coordinator of the LENSNET RTN (FP4) European network - Node coordinator of the AstroWise RDT (FP5) European network - Node coordinator of the AVO RDT (FP5) European network - Co-Coordinator of the CFHT-LS Wide survey

Research Interests

- Involved in the Descart project, the VIRMOS survey, the CFHT-Legacy Survey, the XMM-LSS survey

Selected Publications

• " Detection of non-Gaussian Signatures in the VIRMOS-DESCART Lensing Survey ", Bernardeau, F.,Mellier, Y., L. van Waerbeke, 2002, A&A, 389, L28

• "Weak lensing study of galaxy biasing", Henk Hoekstra, L. van Waerbeke, Michael D. Gladders, Yannick Mellier, H.K.C. Yee, 2002, ApJ, 577, 604

• " Likelihood Analysis of Cosmic Shear on Simulated and VIRMOS-DESCART Data ", L. van Waerbeke, Y. Mellier, R. Pello, U-L. Pen, H.J. McCracken, B. Jain 2002, A&A, 393, 369

• " Cosmic Shear Analysis in 50 Uncorrelated VLT Fields. Implications for Omega_0, sigma_8", R. Maoli, L. Van Waerbeke, Y. Mellier, P. Schneider, B. Jain, F. Bernardeau, T. Erben, B. Fort, 2001, A&A, 368, 766

• " Detection of correlated galaxy ellipticities on CFHT data: first evidence for gravitational lensing by large-scale structures ", L. van Waerbeke, , Mellier, Y., Erben, T., Cuillandre, J.C., BernardeauF., Maoli, R., Bertin, E., Mc Cracken, H.J., Le Fevre, O., Fort, B., Dantel-Fort, M., Jain, B., Schneider, P., 2000, A&A, 358, 30

• "Probing the Universe with Weak Lensing",Mellier, Y., 1999 , ARAA, 37, 127

• "Efficiency of weak lensing surveys to probe cosmological models", L. van Waerbeke, Bernardeau, F., Mellier, Y., 1999, A&A, 342, 15

• "Weak lensing statistics as a probe of Omega power spectrum", Bernardeau, F., L. van Waerbeke, Mellier, Y., A&A 1997, 322, 1

All Publications

Useful pages

- European Southern Observatory: ESO
- Canada-France-Hawaii-Telescope: CFHT
- Canadian Institute for Theoretical Astrophysics: CITA
- Gravitational lensing at Bonn: IAEF-Lensing
- Max Planck fuer Astrophysik, Garching: : MPA-Garching

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