| The Hubble Constant from the HST Key Project on the Extragalactic Distance Scale (1999) | |||||||||
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| The final efforts of the HST Key Project on the Extragalactic Distance Scale are presented. Four distance indicators, the Surface Brightness Fluctuation method, the Fundamental Plane for early-type galaxies, the Tully-Fisher relation and the Type Ia Supernovae, are calibrated using Cepheid distances to galaxies within 25 Mpc. The calibration is then applied to distant samples reaching cz~10000 km/s and (in the case of SNIa) beyond. By combining the constraints imposed on the Hubble constant by the four distance indicators, we obtain H0 = 71+/-6 km/s/Mpc.. Comment: To appear in the proceedings of the Cosmic Flows Workshop, Victoria, Canada, July 1999, eds. S. Courteau, M. Strauss & J. Willick, ASP series. 10 pages, 2 figures | |||||||||
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