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Título: | The Baryon Oscillation Spectroscopic Survery Of SDSS-III |
Autor: | Dawson, Kyle; Génova-Santos, R.; Pèrez-Fournon, Ismael; Rebolo López, Rafael CSIC ORCID; Rubiño-Martín, J. A.; Scoccola, C. G.; Streblyanska, Alina CSIC ORCID; Prada, Francisco CSIC ORCID ; Mena, Olga CSIC ORCID | Palabras clave: | Cosmology Observations Surveys |
Fecha de publicación: | 1-ene-2013 | Editor: | Institute of Physics Publishing | Citación: | Astronomical Journal 145(1): 10 (2013) | Resumen: | The Baryon Oscillation Spectroscopic Survey (BOSS) is designed to measure the scale of baryon acoustic oscillations (BAO) in the clustering of matter over a larger volume than the combined efforts of all previous spectroscopic surveys of large-scale structure. BOSS uses 1.5 million luminous galaxies as faint as i = 19.9 over 10,000 deg(2) to measure BAO to redshifts z < 0.7. Observations of neutral hydrogen in the Ly alpha forest in more than 150,000 quasar spectra (g < 22) will constrain BAO over the redshift range 2.15 < z < 3.5. Early results from BOSS include the first detection of the large-scale three-dimensional clustering of the Ly alpha forest and a strong detection from the Data Release 9 data set of the BAO in the clustering of massive galaxies at an effective redshift z = 0.57. We project that BOSS will yield measurements of the angular diameter distance d(A) to an accuracy of 1.0% at redshifts z = 0.3 and z = 0.57 and measurements of H(z) to 1.8% and 1.7% at the same redshifts. Forecasts for Ly alpha forest constraints predict a measurement of an overall dilation factor that scales the highly degenerate D-A(z) and H-1(z) parameters to an accuracy of 1.9% at z similar to 2.5 when the survey is complete. Here, we provide an overview of the selection of spectroscopic targets, planning of observations, and analysis of data and data quality of BOSS | Versión del editor: | http://dx.doi.org/10.1088/0004-6256/145/1/10 | URI: | http://hdl.handle.net/10261/108519 | DOI: | 10.1088/0004-6256/145/1/10 | ISSN: | 0004-6256 |
Aparece en las colecciones: | (IFIC) Artículos (IFT) Artículos (IAA) Artículos |
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The baryon.pdf | 4,36 MB | Adobe PDF | Visualizar/Abrir |
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