A measurement of the Hubble constant using galaxy redshift surveys
arXiv:1706.09149 · doi:10.3847/1538-4357/aa8f48
Abstract
We perform a measurement of the Hubble constant, , using the latest baryonic acoustic oscillations (BAO) measurements from galaxy surveys of 6dFGS, SDSS DR7 Main Galaxy Sample, BOSS DR12 sample, and eBOSS DR14 quasar sample, in the framework of a flat CDM model. Based on the Kullback-Leibler (KL) divergence, we examine the consistency of values derived from various data sets. We find that our measurement is consistent with that derived from Planck and with the local measurement of using the Cepheids and type Ia supernovae. We perform forecasts on from future BAO measurements, and find that the uncertainty of determined by future BAO data alone, including complete eBOSS, DESI and Euclid-like, is comparable with that from local measurements.
arXiv comment5 pages, 2 figures, 2 tables; accepted for publication in ApJ
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