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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The SDSS-IV extended baryon oscillation spectroscopic survey: Overview and early data
Astronomical Journal, Volume 151, No. 2, Article 44, Year 2016
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Description
In a six-year program started in 2014 July, the Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. These observations will be conducted simultaneously with the Time Domain Spectroscopic Survey (TDSS) designed for variability studies and the Spectroscopic Identification of eROSITA Sources (SPIDERS) program designed for studies of X-ray sources. In particular, eBOSS will measure with percent-level precision the distance-redshift relation with baryon acoustic oscillations (BAO) in the clustering of matter. eBOSS will use four different tracers of the underlying matter density field to vastly expand the volume covered by BOSS and map the large-scale-structures over the relatively unconstrained redshift range 0.6 < z < 2.2. Using more than 250,000 new, spectroscopically confirmed luminous red galaxies at a median redshift z = 0.72, we project that eBOSS will yield measurements of the angular diameter distance dA(z) to an accuracy of 1.2% and measurements of H(z) to 2.1% when combined with the z > 0.6 sample of BOSS galaxies. With ∼195,000 new emission line galaxy redshifts, we expect BAO measurements of dA(z) to an accuracy of 3.1% and H(z) to 4.7% at an effective redshift of z = 0.87. A sample of more than 500,000 spectroscopically confirmed quasars will provide the first BAO distance measurements over the redshift range 0.9 < z < 2.2, with expected precision of 2.8% and 4.2% on dA(z) and H(z), respectively. Finally, with 60,000 new quasars and re-observation of 60,000 BOSS quasars, we will obtain new Lyα forest measurements at redshifts z > 2.1; these new data will enhance the precision of dA(z) and H(z) at z > 2.1 by a factor of 1.44 relative to BOSS. Furthermore, eBOSS will provide improved tests of General Relativity on cosmological scales through redshift-space distortion measurements, improved tests for non-Gaussianity in the primordial density field, and new constraints on the summed mass of all neutrino species. Here, we provide an overview of the cosmological goals, spectroscopic target sample, demonstration of spectral quality from early data, and projected cosmological constraints from eBOSS. © 2016. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Dawson, Kyle S.
United States, Salt Lake City
The University of Utah
Kneib, Jean Paul
Switzerland, Lausanne
École Polytechnique Fédérale de Lausanne
France, Marseille
Aix Marseille Université
Percival, Will J.
United Kingdom, Portsmouth
University of Portsmouth
Alam, Shadab
United States, Pittsburgh
Carnegie Mellon University
Albareti, Franco D.
Spain, Madrid
Csic-uam - Instituto de Física Teórica Ift
Anderson, Scott F.
United States, Seattle
University of Washington
Armengaud, Éric
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Aubourg, Éric
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Bailey, Stephen J.
United States, Berkeley
Lawrence Berkeley National Laboratory
Bautista, Julían E.
United States, Salt Lake City
The University of Utah
Berlind, Andreas A.
United States, Nashville
Vanderbilt University
Bershady, Matthew A.
United States, Madison
University of Wisconsin-madison
Beutler, Florian
United States, Berkeley
Lawrence Berkeley National Laboratory
Bizyaev, Dmitry Anatolevich
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Russian Federation, Moscow
Lomonosov Moscow State University
Blanton, Michael R.
United States, New York
New York University
Blomqvist, Michael
United States, Irvine
University of California, Irvine
Bolton, Adam S.
United States, Salt Lake City
The University of Utah
Bovy, Jo
Canada, Toronto
University of Toronto
Brandt, William Nielsen
United States, University Park
Pennsylvania State University
Brinkmann, Jonathan V.
United States, Sunspot
Apache Point Observatory
Brownstein, Joel R.
United States, Salt Lake City
The University of Utah
Burtin, Étienne
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Cai, Zheng
United States, Tucson
The University of Arizona
Chuang, Chiahsun
Spain, Madrid
Csic-uam - Instituto de Física Teórica Ift
Clerc, Nicolas
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Comparat, Johan
Spain, Madrid
Csic-uam - Instituto de Física Teórica Ift
Spain, Madrid
Universidad Autónoma de Madrid
Cruz-Gonzalez, Irene
Mexico, Mexico
Universidad Nacional Autónoma de México
da Costa, Luiz Nicolaci
Brazil, Sao Cristovao
Observatório Nacional
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
Cousinou, Marie Claude
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Darling, Jeremy K.
United States, Boulder
Planetary Solutions, Inc.
De La Macorra, Axel
Mexico, Mexico
Universidad Nacional Autónoma de México
de la Torre, Sylvain
France, Marseille
Aix Marseille Université
Delubac, Timothée
Switzerland, Lausanne
École Polytechnique Fédérale de Lausanne
Du Mas Des Bourboux, Hélion
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Dwelly, Tom
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Ealet, Anne A.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Eisenstein, Daniel J.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Eracleous, Michael C.
United States, University Park
Pennsylvania State University
Escoffier, Stéphanie
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Fan, Xiaohui
United States, Tucson
The University of Arizona
Finoguenov, Alexis V.
Finland, Helsinki
Helsingin Yliopisto
Font-Ribera, Andreu
United States, Berkeley
Lawrence Berkeley National Laboratory
Frinchaboy, Peter M.
United States, Fort Worth
Texas Christian University
Gaulme, Patrick
United States, Sunspot
Apache Point Observatory
Georgakakis, Antonis E.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Green, Paul J.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Guo, Hong
United States, Salt Lake City
The University of Utah
China, Beijing
Chinese Academy of Sciences
Guy, Julien
France, Paris
Sorbonne Université
Ho, Shirley
United States, Pittsburgh
Carnegie Mellon University
Huehnerhoff, Joseph
United States, Sunspot
Apache Point Observatory
Jing, Yipeng
China, Shanghai
Shanghai Jiao Tong University
Jullo, Eric
France, Marseille
Aix Marseille Université
Kinemuchi, Karen
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Kirkby, David P.
United States, Irvine
University of California, Irvine
Kitaura, Francisco Shu
Germany, Potsdam
Leibniz Institute for Astrophysics Potsdam
Klaene, Mark A.
United States, Sunspot
Apache Point Observatory
Laher, Russ R.
United States, Pasadena
California Institute of Technology
Lang, Dustin A.
United States, Pittsburgh
Carnegie Mellon University
Laurent, Pierre
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Le Goff, Jean Marc
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Li, Cheng
China, Beijing
Chinese Academy of Sciences
Lima, Marcos V.B.T.
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
Brazil, Sao Paulo
Universidade de São Paulo
Lin, Weipeng
China, Beijing
Chinese Academy of Sciences
China, Guangzhou
Sun Yat-sen University
Lin, Yen Ting
Taiwan, Nankang
Academia Sinica Taiwan
Long, Daniel C.
United States, Sunspot
Apache Point Observatory
Lundgren, Britt Fisher
United States, Madison
University of Wisconsin-madison
MacDonald, Nicholas K.
United States, Seattle
University of Washington
Maia, Marcioa Antonio Geimba
Brazil, Sao Cristovao
Observatório Nacional
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
Malanushenko, Elena
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Malanushenko, Viktor P.
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Vivek, Mariappan
United States, Salt Lake City
The University of Utah
McBride, Cameron K.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
McGreer, Ian D.
United States, Tucson
The University of Arizona
Merloni, Andrea
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Montero-Dorta, Antonio D.
United States, Salt Lake City
The University of Utah
Muna, Demitri N.
United States, Columbus
The Ohio State University
Myers, Adam D.
United States, Laramie
University of Wyoming
Nandra, Kirpaul P.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Newman, Jeffrey Allen
United States, Pittsburgh
University of Pittsburgh
Noterdaeme, Pasquier
France, Paris
Sorbonne Université
Nugent, Peter E.
United States, Berkeley
Lawrence Berkeley National Laboratory
United States, Berkeley
University of California, Berkeley
Ogando, R. L.C.
Brazil, Sao Cristovao
Observatório Nacional
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
Olmstead, Matthew D.
United States, Wilkes-barre
King‘s College
Oravetz, Audrey E.
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Oravetz, Daniel J.
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Padmanabhan, Nikhil
United States, New Haven
Yale University
Palanque-Delabrouille, Nathalie
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Pan, Kaike
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Parejko, John K.
United States, New Haven
Yale University
Peacock, John A.
United Kingdom, Edinburgh
The University of Edinburgh
Petitjean, Patrick
France, Paris
Sorbonne Université
Pieri, Matthew M.
France, Marseille
Aix Marseille Université
Pisani, Alice
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Paris
Sorbonne Université
Prada, Francisco
Spain, Madrid
Csic-uam - Instituto de Física Teórica Ift
Spain, Madrid
Consejo Superior de Investigaciones Científicas
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Prakash, Abhishek
United States, Pittsburgh
University of Pittsburgh
Raichoor, Anand
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Reid, Beth Ann
United States, Berkeley
Lawrence Berkeley National Laboratory
Rich, James J.
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Ridl, Jethro
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Rosell, Aurelio Carnero
Brazil, Sao Cristovao
Observatório Nacional
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
Ross, Ashley J.
United Kingdom, Portsmouth
University of Portsmouth
United States, Columbus
The Ohio State University
Rossi, Graziano
South Korea, Seoul
Sejong University
Salvato, Mara
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Sayres, Conor
United States, Seattle
University of Washington
P. Schneider, Donald P.
United States, University Park
Pennsylvania State University
Schlegel, David J.
United States, Berkeley
Lawrence Berkeley National Laboratory
Šeljak, Uroš
United States, Berkeley
Lawrence Berkeley National Laboratory
United States, Berkeley
University of California, Berkeley
Seo, Hee-jong
United States, Athens
Ohio University
Sesar, Branimir
Germany, Heidelberg
Max Planck Institute for Astronomy
Slosar, Anže Že
United States, Upton
Brookhaven National Laboratory
Sobreira, Flávia
Brazil, Rio de Janeiro
Laboratório Interinstitucional de E-astronomia
United States, Batavia
Fermi National Accelerator Laboratory
Streblyanska, Alina
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Tao, Charling
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
China, Beijing
Tsinghua University
Tinker, Jeremy L.
United States, New York
New York University
Tojeiro, Rita
United Kingdom, Portsmouth
University of Portsmouth
Vargas-Magaña, Mariana
Mexico, Mexico
Universidad Nacional Autónoma de México
Wang, Yuting
United Kingdom, Portsmouth
University of Portsmouth
China, Beijing
Chinese Academy of Sciences
Weaver, Benjamin Alan
United States, New York
New York University
Weinberg, David H.
United States, Columbus
The Ohio State University
White, Martin J.
United States, Berkeley
Lawrence Berkeley National Laboratory
United States, Berkeley
University of California, Berkeley
Wood-Vasey, W. M.
United States, Pittsburgh
University of Pittsburgh
Yéche, Christophe
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Zhao, Cheng
China, Beijing
Tsinghua University
Zhao, Gongbo
United Kingdom, Portsmouth
University of Portsmouth
China, Beijing
Chinese Academy of Sciences
Zheng, Zheng
United States, Salt Lake City
The University of Utah
Zhu, Guangtun Ben
United States, Baltimore
Johns Hopkins University
Zou, Hu
China, Beijing
Chinese Academy of Sciences
Statistics
Citations: 576
Authors: 127
Affiliations: 58
Identifiers
Doi:
10.3847/0004-6256/151/2/44
ISSN:
00046256
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative