The 6dF Galaxy Survey: Baryon Acoustic Oscillations and the Local Hubble Constant

Mathematics – Logic

Scientific paper

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Scientific paper

The large-scale correlation function of the 6dF Galaxy Survey (6dFGS) allows the detection of a Baryon Acoustic Oscillation (BAO) signal. The low effective redshift of 6dFGS makes it a competitive and independent alternative to Cepheids and low-z supernovae in constraining the Hubble constant. It also depends on very different (and arguably smaller) systematic uncertainties. We found a Hubble constant of H0 = 67 +/- 3.2 km/s/Mpc in agreement with the current standard cosmological model LCDM.

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