Distances from the Correlation between Galaxy Luminosities and Rotation Rates
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🌌 astro-ph
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distanceserrorlargeabsorptionavailablebeenconstantcorrections
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A large luminosity--linewidth template sample is now available, improved absorption corrections have been derived, and there are a statistically significant number of galaxies with well determined distances to supply the zero point. A revised estimate of the Hubble Constant is H_0=77 +-4 km/s/Mpc where the error is the 95% probability statistical error. Systematic uncertainties are potentially twice as large.
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