Fig. 1 from Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant

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Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant

Authors: Wendy L. Freedman, Barry F. Madore, Brad K. Gibson, Laura Ferrarese, Daniel D. Kelson, Shoko Sakai, Jeremy R. Mould, Robert C. Kennicutt, Jr., Holland C. Ford, John A. Graham, John P. Huchra, Shaun M. G. Hughes, Garth D. Illingworth, Lucas M. Macri, and Peter B. Stetson

Freedman et al. 2001 The Astrophysical Journal 553 47.

Provider: AAS Journals

Caption: Fig. 1.

Velocity vs. distance for galaxies with Cepheid distances. Velocities in this plot have been corrected using the flow model described in Mould et al. (2000a). The Cepheid distances have been corrected for metallicity. A formal fit to these data yields a slope of ﹩H_{0}=75\pm 10﹩ (random) km s⁻¹ Mpc⁻¹, in good agreement, to within the uncertainties, with the value of H₀ obtained for methods that extend to much greater distances.

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