Publication : t99/007
$Řmega$ from weak lensing survey
Bernardeau F. (CEA, DSM, SPhT (Service de Physique Théorique), F-91191 Gif-sur-Yvette, FRANCE)Mellier Y. (Institut d\'Astrophysique de Paris (IAP-CNRS), 98 bis Bld Arago, F-75014 Paris, FRANCE)
Van Waerbeke L. (Canadian Institute for Theoretical Astrophysics (CITA), University of Toronto, 60 St. George Street, Toronto, M5S 3H8 Ontario, CANADA)
Abstract:Année de publication : 1999
The possibility of making distortion maps of the local mass distribution in a fairly large survey has open new means of probing the large-scale structures of the Universe. We show here that surveys of size from 25 to 100 square degrees will provide extremely precise constraints, down to 5\% accuracy, not only on the matter power spectrum but also on the cosmic density parameter $\Omega$. More precise studies involving multi-source plane analysis should even provide us with a precise joined determination of $\Omega$ and $\lambda$.
Chapitre de livre : in: Proceedings of the XIV IAP Symposium Wide Field Surveys in Cosmology
Maison d'édition : Editions Frontičres, 1999
Pages : pp. 183-188
Communication : in: Proceedings of the XIV IAP Symposium : Proceedings of the XIV IAP Symposium in: Proceedings of the XIV IAP Symposium Wide Field Surveys in Cosmology ; Paris, France ; 1998-05-26 / 1998-05-30
Langue : Anglais
Editeurs : Colombi S., Mellier Y., Raban B.
Fichier(s) à télécharger :
publi.pdf
