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In this paper we present and validate the galaxy sample used for the analysis of the Baryon Acoustic Oscillation signal (BAO) in the Dark Energy Survey (DES) Y3 data. The definition is based on a colour and redshift-dependent magnitude cut…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-17 A. Carnero Rosell , M. Rodriguez-Monroy , M. Crocce , J. Elvin-Poole , A. Porredon , I. Ferrero , J. Mena-Fernandez , R. Cawthon , J. De Vicente , E. Gaztanaga , A. J. Ross , E. Sanchez , I. Sevilla-Noarbe , O. Alves , F. Andrade-Oliveira , J. Asorey , S. Avila , A. Brandao-Souza , H. Camacho , K. C. Chan , A. Ferte , J. Muir , W. Riquelme , R. Rosenfeld , D. Sanchez Cid , W. G. Hartley , N. Weaverdyck , T. Abbott , M. Aguena , A. Sahar , J. Annis , E. Bertin , D. Brooks , E. Buckley-Geer , D. Burke , J. Calcino , D. Carollo , M. Carrasco Kind , J. Carretero , F. Castander , A. Choi , C. Conselice , M. Costanzi , L. da Costa , M. E. da Silva Pereira , T. Davis , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , K. Eckert , S. Everett , A. Evrard , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , D. Gerdes , T. Giannantonio , K. Glazebrook , D. Gruen , R. Gruendl , J. Gschwend , G. Gutierrez , S. Hinton , D. Hollowood , K. Honscheid , B. Hoyle , D. Huterer , D. James , A. Kim , E. Krause , K. Kuehn , O. Lahav , G. Lewis , C. Lidman , M. Lima , M. Maia , U. Malik , J. Marshall , F. Menanteau , R. Miquel , J. Mohr , A. Moller , R. Morgan , R. Ogando , A. Palmese , F. Paz-Chinchon , W. Percival , A. Pieres , A. Plazas Malagon , A. Roodman , V. Scarpine , M. Schubnell , S. Serrano , R. Sharp , E. Sheldon , M. Smith , M. Soares-Santos , E. Suchyta , M. Swanson , G. Tarle , D. Thomas , C. To , B. Tucker , D. Tucker , S. Uddin , T. N. Varga , DES Collaboration

The galaxy bispectrum, measuring excess clustering of galaxy triplets, offers a probe of dark energy via baryon acoustic oscillations (BAOs). However up to now it has been severely underused due to the combinatorically explosive number of…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-21 Hillary L. Child , Masahiro Takada , Takahiro Nishimichi , Tomomi Sunayama , Zachary Slepian , Salman Habib , Katrin Heitmann

We examine the nature of galaxy clustering in redshift space using a method based on an expansion of the galaxian density field in Spherical Harmonics and linear theory. We derive a compact and self-consistent expression for the distortion…

Astrophysics · Physics 2007-05-23 Karl B. Fisher

The physical scale corresponding to baryon acoustic oscillations (BAO), the size of the sound horizon at recombination, is precisely determined by CMB experiments. Measuring the apparent size of the BAO scale imprinted in the clustering of…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-29 Ivana Babić , Fabian Schmidt , Beatriz Tucci

The measurement of the scale of the baryon acoustic oscillations (BAO) in the galaxy power spectrum as a function of redshift is a promising method to constrain the equation-of-state parameter of the dark energy w. To measure the scale of…

Astrophysics · Physics 2009-06-23 Christian Wagner , Volker Müller , Matthias Steinmetz

We estimate the degree to which the baryon density, $\Omega_{b}$, can be determined from the galaxy power spectrum measured from large scale galaxy redshift surveys, and in particular, the Sloan Digital Sky Survey. A high baryon density…

Astrophysics · Physics 2011-02-11 David M. Goldberg , Michael A. Strauss

We measure the imprint of baryon acoustic oscillations (BAOs) in the galaxy clustering pattern at the highest redshift achieved to date, z=0.6, using the distribution of N=132,509 emission-line galaxies in the WiggleZ Dark Energy Survey. We…

We perform a tomographic structure growth and expansion rate analysis using the monopole, quadrupole and hexadecapole of the redshift-space galaxy power spectrum derived from the Sloan Digital Sky Survey (SDSS-III) Baryon Oscillation…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-16 Jinglan Zheng , Gong-Bo Zhao , Jian Li , Yuting Wang , Chia-Hsun Chuang , Francisco-Shu Kitaura , Sergio Rodriguez-Torres

We explore the utility of future photometric redshift imaging surveys for delineating the large-scale structure of the Universe, and assess the resulting constraints on the cosmological model. We perform two complementary types of analysis:…

Astrophysics · Physics 2009-11-10 Chris Blake , Sarah Bridle

The Baryon Acoustic Oscillation (BAO) feature in the power spectrum of galaxies can be used as a standard ruler to probe the accelerated expansion of the Universe. In this paper, we study several galaxy selection schemes aiming at building…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-22 S. Escoffier , J. Comparat , A. Ealet , J. -P. Kneib , J. Zoubian , F. Lamareille

In a series of papers we have recently studied the clustering of LRG galaxies in the latest spectroscopic SDSS data release, which has 75000 LRG galaxies sampling 1.1 Gpc^3/h^3 to z=0.47. Here we focus on detecting a local maxima shaped as…

Astrophysics · Physics 2008-12-16 Enrique Gaztanaga , Anna Cabre

We perform a tomographic baryon acoustic oscillations analysis using the two-point galaxy correlation function measured from the combined sample of BOSS DR12, which covers the redshift range of $0.2<z<0.75$. Splitting the sample into…

Baryonic Acoustic Oscillations (BAO) and their effects on the matter power spectrum can be studied by using the Lyman-alpha absorption signature of the matter density field along quasar (QSO) lines of sight. A measurement sufficiently…

Cosmology and Nongalactic Astrophysics · Physics 2009-10-21 Ch. Yeche , P. Petitjean , J. Rich , E. Aubourg , N. Busca , J. -Ch. Hamilton , J. -M. Le Goff , I. Paris , S. Peirani , Ch. Pichon , E. Rollinde , M. Vargas-Magana

(abridged) A wide-field galaxy redshift survey allows one to probe galaxy clustering at largest spatial scales, which carries an invaluable information on horizon-scale physics complementarily to the cosmic microwave background (CMB).…

Astrophysics · Physics 2009-11-11 Masahiro Takada

Recently, there have been numerous analyses of the redshift space power spectrum of rich clusters of galaxies. Some of these analyses indicate a "bump" in the Abell/ACO cluster power spectrum around k= 0.05hMpc^-1. Such a feature in the…

Astrophysics · Physics 2009-10-31 Christopher J. Miller , David J. Batuski

Here, we present the angular diameter distance measurement obtained from the measurement of the Baryonic Acoustic Oscillation (BAO) feature using the completed Dark Energy Survey (DES) data, summarizing the main results of [Phys. Rev. D…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-16 Juan Mena-Fernández , Dark Energy Survey Collaboration

The Baryon Acoustic Oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to probe the accelerated expansion of the Universe. The current surveys covering a comoving volume sufficient to unveil the BAO scale…

The spectroscopic survey of China's Space Survey Telescope (CSST) is expected to obtain a huge number of slitless spectra, including more than one hundred million galaxy spectra and millions of active galactic nuclei (AGN) spectra. By…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-02 Haitao Miao , Yan Gong , Xuelei Chen , Zhiqi Huang , Xiao-Dong Li , Hu Zhan