publication . Preprint . Article . Other literature type . 2016

SDSS-IV eBOSS emission-line galaxy pilot survey

A. Benoit-Lévy; Vic Scarpine; Robert A. Gruendl; Robert A. Gruendl; Francisco Prada; Francisco Prada; Kyler Kuehn; F. B. Abdalla; F. B. Abdalla; Vivek Mariappan; ...
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Open Access English
  • Published: 01 Aug 2016
Abstract
The Sloan Digital Sky Survey IV extended Baryonic Oscillation Spectroscopic Survey (SDSS-IV/eBOSS) will observe 195,000 emission-line galaxies (ELGs) to measure the Baryonic Acoustic Oscillation standard ruler (BAO) at redshift 0.9. To test different ELG selection algorithms, 9,000 spectra were observed with the SDSS spectrograph as a pilot survey based on data from several imaging surveys. First, using visual inspection and redshift quality flags, we show that the automated spectroscopic redshifts assigned by the pipeline meet the quality requirements for a reliable BAO measurement. We also show the correlations between sky emission, signal-to-noise ratio in th...
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doi: 10.1051/0004-6361/201527377
handle: 10486/676705
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::Instrumentation and Methods for Astrophysics
free text keywords: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], large-scale structure of Universe, general [galaxies], observational [methods], astro-ph.CO, astro-ph.GA, Astronomy & Astrophysics, Astronomical and Space Sciences, QB, Física, cosmology, survey, spectroscopy, emission lines, RCUK, STFC, /dk/atira/pure/core/subjects/cosmology, Cosmology and Gravitation, Emission spectrum, Physics, Standard ruler, Redshift survey, Photometry (optics), Spectrograph, Astronomy, Redshift, Astrophysics, Galaxy, Sky, media_common.quotation_subject, media_common
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Funded by
NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
Project
Collaborative Research: The Dark Energy Survey Data Management Operations
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
, EC| TESTDE
Project
TESTDE
Testing the Dark Energy Paradigm and Measuring Neutrino Mass with the Dark Energy Survey
  • Funder: European Commission (EC)
  • Project Code: 291329
  • Funding stream: FP7 | SP2 | ERC
, ANR| P2IO
Project
P2IO
Physics of the 2 infinities and the origins
  • Funder: French National Research Agency (ANR) (ANR)
  • Project Code: 10-LABX-0038
, EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
, EC| COGS
Project
COGS
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
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