Monthly Notices of the Royal Astronomical Society· 2017Q1
The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
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- Q1SCImago
- 2017year
Short summary
The Baryon Oscillation Spectroscopic Survey (BOSS) final data release (DR12) yields cosmological measurements of the angular diameter distance (D_M) and Hubble parameter (H) using baryon acoustic oscillations (BAO) from 1.2 million galaxies.
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Key points
- Cosmological results obtained from the final BOSS DR12 galaxy clustering data.
- Analysis of 1.2 million massive galaxies across redshift slices z=0.38, 0.51, and 0.61.
- Measurement of angular diameter distance (D_M) and Hubble parameter (H) via baryon acoustic oscillations (BAO).
- BAO measurements incorporated cosmic microwave background priors and reconstruction techniques.
AI-generated from the title and abstract; the full text is not read.
Abstract
We present cosmological results from the final galaxy clustering data set of the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital Sky Survey III. Our combined galaxy sample comprises 1.2 million massive galaxies over an effective area of 9329 deg 2 and volume of 18.7 Gpc 3 , divided into three partially overlapping redshift slices centred at effective redshifts 0.38, 0.51 and 0.61. We measure the angular diameter distance D M and Hubble parameter H from the baryon acoustic oscillation (BAO) method, in combination with a cosmic microwave background prior on the sound horizon scale, after applying reconstruction to reduce non-linear effects on the BAO feature. Using the anisotropic clustering of the
The authors' abstract, as published at the source. Monthly Notices of the Royal Astronomical Society, 2017 · DOI ↗
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Field: Astronomy and Astrophysics
Astronomy and AstrophysicsPhysics and Astronomy