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We constrain cosmological parameters using combined measurements of the baryon acoustic oscillation (BAO) feature in the correlation function of galaxies and Ly-\alpha absorbers that together cover 0.1 < z < 2.4. The BAO position…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Graeme E. Addison , Gary Hinshaw , Mark Halpern

We examine the impact of baryon acoustic oscillation (BAO) scale measurements on the discrepancy between the value of the Hubble constant ($H_0$) inferred from the local distance ladder and from Planck cosmic microwave background (CMB)…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-14 G. E. Addison , D. J. Watts , C. L. Bennett , M. Halpern , G. Hinshaw , J. L. Weiland

In this work we use a template method to extract the scale associated with the Baryon Acoustic Oscillation (BAO) signal in 21cm neutral hydrogen intensity maps. We then forecast the constraints on the standard deviations of cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-10 Benjamin Ostergaard , André Alencar da Costa , Yu Sang

Baryon Acoustic Oscillations (BAO) datasets use very precise measurements of the spatial distribution of large-scale structures as a distance ladder to help constrain cosmological parameters. In a recent article \cite{Benisty:2020otr}, we…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-02 Denitsa Staicova

We present cosmological constraints from a joint analysis of the pre- and post-reconstruction galaxy power spectrum multipoles from the final data release of the Baryon Oscillation Spectroscopic Survey (BOSS). Geometric constraints are…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-03 Oliver H. E. Philcox , Mikhail M. Ivanov , Marko Simonović , Matias Zaldarriaga

We derive constraints on cosmological parameters and tests of dark energy models from the combination of baryon acoustic oscillation (BAO) measurements with cosmic microwave background (CMB) and Type Ia supernova (SN) data. We take…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-23 Éric Aubourg , Stephen Bailey , Julian E. Bautista , Florian Beutler , Vaishali Bhardwaj , Dmitry Bizyaev , Michael Blanton , Michael Blomqvist , Adam S. Bolton , Jo Bovy , Howard Brewington , J. Brinkmann , Joel R. Brownstein , Angela Burden , Nicolás G. Busca , William Carithers , Chia-Hsun Chuang , Johan Comparat , Antonio J. Cuesta , Kyle S. Dawson , Timothée Delubac , Daniel J. Eisenstein , Andreu Font-Ribera , Jian Ge , J. -M. Le Goff , Satya Gontcho A Gontcho , J. Richard Gott , James E. Gunn , Hong Guo , Julien Guy , Jean-Christophe Hamilton , Shirley Ho , Klaus Honscheid , Cullan Howlett , David Kirkby , Francisco S. Kitaura , Jean-Paul Kneib , Khee-Gan Lee , Dan Long , Robert H. Lupton , Mariana Vargas Magaña , Viktor Malanushenko , Elena Malanushenko , Marc Manera , Claudia Maraston , Daniel Margala , Cameron K. McBride , Jordi Miralda-Escudé , Adam D. Myers , Robert C. Nichol , Pasquier Noterdaeme , Sebastián E. Nuza , Matthew D. Olmstead , Daniel Oravetz , Isabelle Pâris , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Kaike Pan , Marcos Pellejero-Ibanez , Will J. Percival , Patrick Petitjean , Matthew M. Pieri , Francisco Prada , Beth Reid , Natalie A. Roe , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , Jose Alberto Rubiño-Martín , Ariel G. Sánchez , Lado Samushia , Ricardo Tanausú Génova Santos , Claudia G. Scóccola , David J. Schlegel , Donald P. Schneider , Hee-Jong Seo , Erin Sheldon , Audrey Simmons , Ramin A. Skibba , Anže Slosar , Michael A. Strauss , Daniel Thomas , Jeremy L. Tinker , Rita Tojeiro , Jose Alberto Vazquez , Matteo Viel , David A. Wake , Benjamin A. Weaver , David H. Weinberg , W. M. Wood-Vasey , Christophe Yèche , Idit Zehavi , Gong-Bo Zhao

We use the 2% distance measurement from our reconstructed baryon acoustic oscillations (BAOs) signature using the Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) Luminous Red Galaxies (LRGs) from Padmanabhan et al. (2012) and Xu et al.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Kushal T. Mehta , Antonio J. Cuesta , Xiaoying Xu , Daniel J. Eisenstein , Nikhil Padmanabhan

We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman-$\alpha$ forest tracers from the first year of observations from the Dark Energy Spectroscopic Instrument (DESI), to be…

Cosmology and Nongalactic Astrophysics · Physics 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 , B. Bahr-Kalus , S. Bailey , C. Baltay , A. Bault , J. Behera , S. BenZvi , A. Bera , 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. S. Frenk , 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. 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 , C. Ravoux , 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 , A. Shafieloo , R. Sharples , J. Silber , A. Slosar , A. Smith , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , S. Trusov , L. A. Ureña-López , 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 , T. Zhuang , H. Zou

(Abridged) The WMAP 5-year data strongly limit deviations from the minimal LCDM model. We constrain the physics of inflation via Gaussianity, adiabaticity, the power spectrum shape, gravitational waves, and spatial curvature. We also…

We report a tight Hubble constant constraint $67.78^{+1.21}_{-1.86}$ km s$^{-1}$ Mpc$^{-1}$ (2.26\% precision) derived from galaxy redshift surveys. We combine the BAO measurements from 6dFGS, the SDSS DR7 main galaxies, the BOSS DR12…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-05 Xue Zhang , Qing-Guo Huang , Xiao-Dong Li

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…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-10 David Benisty , Denitsa Staicova

We have investigated the constraints on the Cardassian model using the recent results from the Wilkinson Microwave Anisotropy Probe (WMAP) for the locations of the peaks of the Cosmic Microwave Background (CMB) anistropy spectrum. We find…

Astrophysics · Physics 2016-08-30 A. A. Sen , S. Sen

(Abridged) New full sky temperature and polarization maps based on seven years of data from WMAP are presented. The new results are consistent with previous results, but have improved due to reduced noise from the additional integration…

We revisit the claimed tension, or lack thereof, of measured values of the Hubble-Lema\^{i}tre parameter $H_0$ from Cosmic Microwave Background (CMB) data and low-redshift indicators. Baryon Acoustic Oscillations (BAO) rely on the scale of…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Radosław Wojtak , Adriano Agnello

We present measurements of the angular diameter distance D_A(z) and the Hubble parameter H(z) at z=0.35 using the anisotropy of the baryon acoustic oscillation (BAO) signal measured in the galaxy clustering distribution of the Sloan Digital…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Xiaoying Xu , Antonio J. Cuesta , Nikhil Padmanabhan , Daniel J. Eisenstein , Cameron K. McBride

We present cosmological parameter constraints based on the final nine-year WMAP data, in conjunction with additional cosmological data sets. The WMAP data alone, and in combination, continue to be remarkably well fit by a six-parameter LCDM…

The cosmic microwave background (CMB) and baryon acoustic oscillations (BAO) provide precise measurements of the cosmic expansion history through the comoving acoustic scale. The CMB angular scale measurement $\theta_*$ is particularly…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-24 Antony Lewis , Ewan Chamberlain

We present baryon acoustic oscillation (BAO) measurements from more than 14 million galaxies and quasars drawn from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2), based on three years of operation. For cosmology…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-10 DESI Collaboration , M. Abdul-Karim , J. Aguilar , S. Ahlen , S. Alam , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , A. Aviles , S. Bailey , C. Baltay , P. Bansal , A. Bault , J. Behera , S. BenZvi , D. Bianchi , C. Blake , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , M. Charles , E. Chaussidon , J. Chaves-Montero , D. Chebat , X. Chen , T. Claybaugh , S. Cole , A. P. Cooper , A. Cuceu , K. S. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , D. J. Eisenstein , W. Elbers , P. Fagrelius , K. Fanning , E. Fernández-García , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , C. Gordon , D. Green , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , S. He , M. Herbold , H. K. Herrera-Alcantar , M. Ho , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Juneau , N. V. Kamble , N. G. Karaçaylı , R. Kehoe , S. Kent , A. G. Kim , D. Kirkby , T. Kisner , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , C. Lamman , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , Q. Li , T. S. Li , K. Lodha , M. Lokken , F. Lozano-Rodríguez , C. Magneville , M. Manera , P. Martini , W. L. Matthewson , A. Meisner , J. Mena-Fernández , A. Menegas , T. Mergulhão , R. Miquel , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , S. Nadathur , K. Naidoo , L. Napolitano , J. A. Newman , G. Niz , H. E. Noriega , E. Paillas , N. Palanque-Delabrouille , J. Pan , J. Peacock , Marcos Pellejero Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , M. M. Pieri , C. Poppett , F. Prada , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , M. Rashkovetskyi , C. Ravoux , J. Rich , A. Rocher , C. Rockosi , J. Rohlf , J. O. Román-Herrera , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , N. Sanders , D. Schlegel , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , W. Turner , L. A. Ureña-López , R. Vaisakh , F. Valdes , G. Valogiannis , M. Vargas-Magaña , L. Verde , M. Walther , B. A. Weaver , D. H. Weinberg , M. White , M. Wolfson , C. Yèche , J. Yu , E. A. Zaborowski , P. Zarrouk , Z. Zhai , H. Zhang , C. Zhao , G. B. Zhao , R. Zhou , H. Zou

Baryon acoustic oscillations (BAO) in the galaxy power spectrum allows us to extract the scale of the comoving sound horizon at recombination, a cosmological standard ruler accurately determined by the cosmic microwave background anisotropy…

Astrophysics · Physics 2008-11-26 Yun Wang

We conduct a selective analysis of the isotropic ($D_V$) and anisotropic ($AP$) components of the most recent Baryon Acoustic Oscillations (BAO) data. We find that these components provide significantly different constraints and could…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-23 Balakrishna S. Haridasu , Vladimir V. Luković , Nicola Vittorio
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