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http://hdl.handle.net/2445/151182
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DC Field | Value | Language |
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dc.contributor.author | Verde, Licia | - |
dc.contributor.author | Miralda Escudé, Jordi | - |
dc.contributor.author | Cuesta, Antonio J. | - |
dc.contributor.author | Pérez Ràfols, Ignasi | - |
dc.date.accessioned | 2020-02-26T09:50:51Z | - |
dc.date.available | 2020-02-26T09:50:51Z | - |
dc.date.issued | 2012-12-06 | - |
dc.identifier.issn | 0004-6256 | - |
dc.identifier.uri | http://hdl.handle.net/2445/151182 | - |
dc.description.abstract | 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 deg2 to measure BAO to redshifts z < 0.7. Observations of neutral hydrogen in the Lyalpha 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 Lyalpha 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 dA 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 Lyalpha forest constraints predict a measurement of an overall dilation factor that scales the highly degenerate DA (z) and H -1(z) parameters to an accuracy of 1.9% at z ~ 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. | - |
dc.format.extent | 41 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Institute of Physics (IOP) | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1088/0004-6256/145/1/10 | - |
dc.relation.ispartof | Astronomical Journal, 2012, vol. 145, num. 1, p. 10-41 | - |
dc.relation.uri | https://doi.org/10.1088/0004-6256/145/1/10 | - |
dc.rights | (c) American Astronomical Society, 2012 | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Cosmologia | - |
dc.subject.classification | Observacions astronòmiques | - |
dc.subject.other | Cosmology | - |
dc.subject.other | Astronomical observations | - |
dc.title | The Baryon Oscillation Spectroscopic Survey of SDSS-III | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 619887 | - |
dc.date.updated | 2020-02-25T15:40:08Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
Files in This Item:
File | Description | Size | Format | |
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619887.pdf | 4.75 MB | Adobe PDF | View/Open |
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