相关论文: Baryon acoustic oscillations signature in the thre…

DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars

We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO) measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1<z<2.1. Divided by tracer type, we utilize 300,017 galaxies from the…

宇宙学与河外天体物理 · 物理学 2025-04-14 DESI Collaboration , A. G. Adame , J. Aguilar , S. Ahlen , S. Alam , D. M. Alexander , M. Alvarez , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , S. Bailey , C. Baltay , A. Bault , J. Behera , S. BenZvi , F. Beutler , D. Bianchi , C. Blake , R. Blum , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , R. Cereskaite , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , J. Chaves-Montero , S. Chen , X. Chen , T. Claybaugh , S. Cole , A. Cuceu , T. M. Davis , K. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , A. Elliott , P. Fagrelius , K. Fanning , S. Ferraro , J. Ereza , N. Findlay , B. Flaugher , A. Font-Ribera , D. Forero-Sánchez , J. E. Forero-Romero , C. Garcia-Quintero , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , D. Green , D. Gruen , R. Gsponer , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , M. M. S Hanif , H. K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , S. Juneau , N. G. Karaçaylı , R. Kehoe , S. Kent , D. Kirkby , A. Kremin , A. Krolewski , Y. Lai , T. -W. Lan , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , T. S. Li , E. Linder , K. Lodha , C. Magneville , M. Manera , D. Margala , P. Martini , M. Maus , P. McDonald , L. Medina-Varela , A. Meisner , J. Mena-Fernández , R. Miquel , J. Moon , S. Moore , J. Moustakas , N. Mudur , E. Mueller , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , L. Napolitano , R. Neveux , J. A. Newman , N. M. Nguyen , J. Nie , G. Niz , H. E. Noriega , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , J. Pan , S. Penmetsa , W. J. Percival , M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , A. Pérez-Fernández , I. Pérez-Ràfols , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , M. Rezaie , J. Rich , A. Rocher , C. Rockosi , N. A. Roe , A. Rosado-Marin , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , C. Saulder , E. F. Schlafly , D. Schlegel , M. Schubnell , H. Seo , R. Sharples , J. Silber , A. Slosar , A. Smith , D. Sprayberry , J. Swanson , T. Tan , G. Tarlé , S. Trusov , R. Vaisakh , D. Valcin , F. Valdes , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , J. Yu , Y. Yu , S. Yuan , C. Yèche , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , R. Zhou , H. Zou

Cosmic Void Baryon Acoustic Oscillation Measurement: Evaluation of Sensitivity to Selection Effects

Cosmic voids defined as a subset of Delaunay Triangulation (DT) circumspheres have been used to measure the Baryon Acoustic Oscillations (BAO) scale; providing tighter constraints on cosmological parameters when combined with matter…

宇宙学与河外天体物理 · 物理学 2022-06-08 Daniel Forero-Sánchez , Cheng Zhao , Charling Tao , Chia-Hsun Chuang , Francisco-Shu Kitaura , Andrei Variu , Amélie Tamone , Jean-Paul Kneib

Simulations of BAO reconstruction with a quasar Lyman-alpha survey

The imprint of Baryonic Acoustic Oscillations (BAO) on the matter power spectrum can be constrained using the neutral hydrogen density in the intergalactic medium as a tracer of the matter density. One of the goals of the Baryon Oscillation…

宇宙学与河外天体物理 · 物理学 2015-05-28 J. -M. Le Goff , C. Magneville , E. Rollinde , S. Peirani , P. Petitjean , C. Pichon , J. Rich , C. Yeche , E. Aubourg , N. Busca , R. Charlassier , T. Delubac , J. C. Hamilton , N. Palanque Delabrouille , I. Paris , M. Vargas

Measuring $f\sigma_8$ and BAO scale in the Local Universe: a joint real and redshift space analysis from CosmicFlows-4++

The large-scale clustering of galaxies encodes both geometric and dynamical information about the Universe. The Baryon Acoustic Oscillations (BAO) phenomenon provides a standard ruler that constrains the cosmic expansion history, while…

宇宙学与河外天体物理 · 物理学 2026-05-04 C. Franco , H. M. Courtois , A. Bernui

On measuring the absolute scale of baryon acoustic oscillations

The baryon acoustic oscillation (BAO) feature in the distribution of galaxies provides a fundamental standard ruler which is widely used to constrain cosmological parameters. In most analyses, the comoving length of the ruler is inferred…

宇宙学与河外天体物理 · 物理学 2012-10-12 Will Sutherland

Reliability of the detection of the Baryon Acoustic Peak

The correlation function of the distribution of matter in the universe shows, at large scales, baryon acoustic oscillations, which were imprinted prior to recombination. This feature was first detected in the correlation function of the…

天体物理学 · 物理学 2014-11-18 Vicent J. Martinez , Pablo Arnalte-Mur , Enn Saar , Pablo de la Cruz , Maria Jesus Pons-Borderia , Silvestre Paredes , Alberto Fernandez-Soto , Elmo Tempel

The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations in the Data Release 9 Spectroscopic Galaxy Sample

We present measurements of galaxy clustering from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan Digital Sky Survey III (SDSS-III). These use the Data Release 9 (DR9) CMASS sample, which contains 264,283…

宇宙学与河外天体物理 · 物理学 2015-06-04 Lauren Anderson , Eric Aubourg , Stephen Bailey , Dmitry Bizyaev , Michael Blanton , Adam S. Bolton , J. Brinkmann , Joel R. Brownstein , Angela Burden , Antonio J. Cuesta , Luiz N. A. da Costa , Kyle S. Dawson , Roland de Putter , Daniel J. Eisenstein , James E. Gunn , Hong Guo , Jean-Christophe Hamilton , Paul Harding , Shirley Ho , Klaus Honscheid , Eyal Kazin , D. Kirkby , Jean-Paul Kneib , Antione Labatie , Craig Loomis , Robert H. Lupton , Elena Malanushenko , Viktor Malanushenko , Rachel Mandelbaum , Marc Manera , Claudia Maraston , Cameron K. McBride , Kushal T. Mehta , Olga Mena , Francesco Montesano , Demetri Muna , Robert C. Nichol , Sebastian E. Nuza , Matthew D. Olmstead , Daniel Oravetz , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Kaike Pan , John Parejko , Isabelle Paris , Will J. Percival , Patrick Petitjean , Francisco Prada , Beth Reid , Natalie A. Roe , Ashley J. Ross , Nicholas P. Ross , Lado Samushia , Ariel G. Sanchez , David J. Schlegel Donald P. Schneider , Claudia G. Scoccola , Hee-Jong Seo , Erin S. Sheldon , Audrey Simmons , Ramin A. Skibba , Michael A. Strauss , Molly E. C. Swanson , Daniel Thomas , Jeremy L. Tinker , Rita Tojeiro , Mariana Vargas Magana , Licia Verde , Christian Wagner , David A. Wake , Benjamin A. Weaver , David H. Weinberg , Martin White , Xiaoying Xu , Christophe Yeche , Idit Zehavi , Gong-Bo Zhao

Measuring baryon acoustic oscillations with future SKA surveys

The imprint of baryon acoustic oscillations (BAO) in large-scale structure can be used as a standard ruler for mapping out the cosmic expansion history, and hence for testing cosmological models. In this article we briefly describe the…

宇宙学与河外天体物理 · 物理学 2015-06-04 Philip Bull , Stefano Camera , Alvise Raccanelli , Chris Blake , Pedro G. Ferreira , Mario G. Santos , Dominik J. Schwarz

The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Baryon acoustic oscillations with Lyman-$\alpha$ forests

We present a measurement of baryonic acoustic oscillations (BAO) from Lyman-$\alpha$ (Ly$\alpha$) absorption and quasars at an effective redshift $z=2.33$ using the complete extended Baryonic Oscillation Spectroscopic Survey (eBOSS). The…

宇宙学与河外天体物理 · 物理学 2020-10-07 Hélion du Mas des Bourboux , James Rich , Andreu Font-Ribera , Victoria de Sainte Agathe , James Farr , Thomas Etourneau , Jean-Marc Le Goff , Andrei Cuceu , Christophe Balland , Julian E. Bautista , Michael Blomqvist , Jonathan Brinkmann , Joel R. Brownstein , Solène Chabanier , Edmond Chaussidon , Kyle Dawson , Alma X. González-Morales , Julien Guy , Brad W. Lyke , Axel de la Macorra , Eva-Maria Mueller , Adam D. Myers , Christian Nitschelm , Andrea Muñoz Gutiérrez , Nathalie Palanque-Delabrouille , James Parker , Will J. Percival , Ignasi Pérez-Ràfols , Patrick Petitjean , Matthew M. Pieri , Corentin Ravoux , Graziano Rossi , Donald P. Schneider , Hee-Jong Seo , Anže Slosar , Julianna Stermer , M. Vivek , Christophe Yèche , Samantha Youles

Quasar-Lyman $\alpha$ Forest Cross-Correlation from BOSS DR11 : Baryon Acoustic Oscillations

We measure the large-scale cross-correlation of quasars with the Lyman alpha forest absorption, using over 164,000 quasars from Data Release 11 of the SDSS-III Baryon Oscillation Spectroscopic Survey. We extend the previous study of roughly…

宇宙学与河外天体物理 · 物理学 2015-06-17 Andreu Font-Ribera , David Kirkby , Nicolas Busca , Jordi Miralda-Escudé , Nicholas P. Ross , Anže Slosar , Jim Rich , Éric Aubourg , Stephen Bailey , Vaishali Bhardwaj , Julian Bautista , Florian Beutler , Dmitry Bizyaev , Michael Blomqvist , Howard Brewington , Jon Brinkmann , Joel R. Brownstein , Bill Carithers , Kyle S. Dawson , Timothée Delubac , Garrett Ebelke , Daniel J. Eisenstein , Jian Ge , Karen Kinemuchi , Khee-Gan Lee , Viktor Malanushenko , Elena Malanushenko , Moses Marchante , Daniel Margala , Demitri Muna , Adam D. Myers , Pasquier Noterdaeme , Daniel Oravetz , Nathalie Palanque-Delabrouille , Isabelle Pâris , Patrick Petitjean , Matthew M. Pieri , Graziano Rossi , Donald P. Schneider , Audrey Simmons , Matteo Viel , Christophe Yeche , Donald G. York

Dark Energy Survey: A 2.1% measurement of the angular Baryonic Acoustic Oscillation scale at redshift $z_{\rm eff}$=0.85 from the final dataset

We present the angular diameter distance measurement obtained with the Baryonic Acoustic Oscillation feature from galaxy clustering in the completed Dark Energy Survey, consisting of six years (Y6) of observations. We use the Y6 BAO galaxy…

宇宙学与河外天体物理 · 物理学 2026-02-04 DES Collaboration , T. M. C. Abbott , M. Adamow , M. Aguena , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Asorey , S. Avila , D. Bacon , K. Bechtol , G. M. Bernstein , E. Bertin , J. Blazek , S. Bocquet , D. Brooks , D. L. Burke , H. Camacho , A. Carnero Rosell , D. Carollo , J. Carretero , F. J. Castander , R. Cawthon , K. C. Chan , C. Chang , C. Conselice , M. Costanzi , M. Crocce , L. N. da Costa , M. E. S. Pereira , T. M. Davis , J. De Vicente , N. Deiosso , S. Desai , H. T. Diehl , S. Dodelson , C. Doux , A. Drlica-Wagner , J. Elvin-Poole , S. Everett , I. Ferrero , A. Ferté , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , G. Giannini , R. A. Gruendl , G. Gutierrez , W. G. Hartley , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , S. Kent , K. Kuehn , O. Lahav , S. Lee , C. Lidman , H. Lin , J. L. Marshall , P. Martini , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , J. Myles , R. C. Nichol , R. L. C. Ogando , A. Palmese , W. J. Percival , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Rodríguez-Monroy , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , M. Sako , S. Samuroff , C. Sánchez , E. Sanchez , D. Sanchez Cid , B. Santiago , M. Schubnell , I. Sevilla-Noarbe , E. Sheldon , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , L. Toribio San Cipriano , M. A. Troxel , B. E. Tucker , D. L. Tucker , A. R. Walker , N. Weaverdyck , J. Weller , P. Wiseman , B. Yanny

Baryon acoustic oscillations at z = 2.34 from the correlations of Ly$\alpha$ absorption in eBOSS DR14

We measure the imprint of primordial baryon acoustic oscillations (BAO) in the correlation function of Ly$\alpha$ absorption in quasar spectra from the Baryon Oscillation Spectroscopic Survey (BOSS) and the extended BOSS (eBOSS) in Data…

宇宙学与河外天体物理 · 物理学 2019-09-11 Victoria de Sainte Agathe , Christophe Balland , Hélion du Mas des Bourboux , Nicolás G. Busca , Michael Blomqvist , Julien Guy , James Rich , Andreu Font-Ribera , Matthew M. Pieri , Julian E. Bautista , Kyle Dawson , Jean-Marc Le Goff , Axel de la Macorra , Nathalie Palanque-Delabrouille , Will J. Percival , Ignasi Pérez-Ràfols , Donald P. Schneider , Anže Slosar , Christophe Yèche

The correlation function of galaxy clusters and detection of baryon acoustic oscillations

We calculate the correlation function of 13,904 galaxy clusters of z \leq 0.4 selected from the cluster catalog of Wen, Han & Liu. The correlation function can be fitted with a power-law model \xi(r)=(r/R_0)^{\gamma} on the scales of…

宇宙学与河外天体物理 · 物理学 2015-06-04 T. Hong , J. L. Han , Z. L. Wen , L. Sun , H. Zhan

The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: Measuring the anisotropic Baryon Acoustic Oscillations with redshift weights

We present an anisotropic analysis of Baryon Acoustic Oscillation (BAO) signal from the SDSS-IV extended Baryon Oscillation Spectroscopic Survey (eBOSS) Data Release 14 (DR14) quasar sample. The sample consists of 147,000 quasars…

宇宙学与河外天体物理 · 物理学 2018-08-08 Fangzhou Zhu , Nikhil Padmanabhan , Ashley J. Ross , Martin White , Will J. Percival , Rossana Ruggeri , Gong-bo Zhao , Dandan Wang , Eva-Maria Mueller , Etienne Burtin , Héctor Gil-Marín , Florian Beutler , Jonathan Brinkmann , Joel R. Brownstein , Kyle Dawson , Axel de la Macorra , Graziano Rossi , Donald P. Schneider , Rita Tojeiro , Yuting Wang

Testing Late Time Cosmic Acceleration with uncorrelated Baryon Acoustic Oscillations dataset

Baryon Acoustic Oscillations (BAO) involve measuring the spatial distribution of galaxies to determine the growth rate of cosmic structure. We derive constraints on cosmological parameters from $17$ uncorrelated BAO measurements that were…

宇宙学与河外天体物理 · 物理学 2021-03-10 David Benisty , Denitsa Staicova

A Detection of the Baryon Acoustic Oscillation Features in the SDSS BOSS DR12 Galaxy Bispectrum

We present the first high significance detection ($4.1\sigma$) of the Baryon Acoustic Oscillations (BAO) feature in the galaxy bispectrum of the twelfth data release (DR12) of the Baryon Oscillation Spectroscopic Survey (BOSS) CMASS sample…

宇宙学与河外天体物理 · 物理学 2018-05-23 David W. Pearson , Lado Samushia

A 2% Distance to z=0.35 by Reconstructing Baryon Acoustic Oscillations - I : Methods and Application to the Sloan Digital Sky Survey

We apply the reconstruction technique to the clustering of galaxies from the SDSS DR7 LRG sample, sharpening the baryon acoustic oscillation (BAO) feature and achieving a 1.9% measurement of the distance to z=0.35. This is the first…

宇宙学与河外天体物理 · 物理学 2015-06-04 Nikhil Padmanabhan , Xiaoying Xu , Daniel J. Eisenstein , Richard Scalzo , Antonio J. Cuesta , Kushal T. Mehta , Eyal Kazin

Baryon Acoustic Oscillations in 2D II: Redshift-space halo clustering in N-body simulations

We measure the halo power spectrum in redshift space from cosmological N-body simulations, and test the analytical models of redshift distortions particularly focusing on the scales of baryon acoustic oscillations (BAOs). Remarkably, the…

宇宙学与河外天体物理 · 物理学 2011-09-08 Takahiro Nishimichi , Atsushi Taruya

Baryon Acoustic Oscillations in the Lyman Alpha Forest

We use hydrodynamic cosmological simulations in a (600 Mpc)^3 volume to study the observability of baryon acoustic oscillations (BAO) in the intergalactic medium as probed by Lyman alpha forest (LAF) absorption. The large scale separation…

宇宙学与河外天体物理 · 物理学 2015-05-13 Michael L. Norman , Pascal Paschos , Robert Harkness

On the signature of the baryon-dark matter relative velocity in the two and three-point galaxy correlation functions

We develop a configuration-space picture of the relative velocity between baryons and dark matter that clearly explains how it can shift the BAO scale in the galaxy-galaxy correlation function. The shift occurs because the relative velocity…

宇宙学与河外天体物理 · 物理学 2015-02-27 Zachary Slepian , Daniel Eisenstein