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Panagia, N. Regnault, N. Yasuda (The Supernova Cosmology Project), P. Astier, P. E. Nugent, P. Ruiz-Lapuente, R. A. Knop, R. Amanullah, R. Ellis, R. Gibbons, R. Pain, R. Quimby, S. E. Deustua, S. Fabbro, S. Garmond, S. Nobili, S. Perlmutter, V. Stanishev, W. M. Wood-Vasey","submitted_at":"2003-09-12T23:32:11Z","abstract_excerpt":"We report measurements of $\\Omega_M$, $\\Omega_\\Lambda$, and w from eleven supernovae at z=0.36-0.86 with high-quality lightcurves measured using WFPC-2 on the HST. This is an independent set of high-redshift supernovae that confirms previous supernova evidence for an accelerating Universe. 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