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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…

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 Baryon Oscillation Spectroscopic Survey (BOSS) is designed to measure the scale of baryon acoustic oscillations (BAO) in the clustering of matter over a larger volume than the combined efforts of all previous spectroscopic surveys of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Kyle S. Dawson , David J. Schlegel , Christopher P. Ahn , Scott F. Anderson , Éric Aubourg , Stephen Bailey , Robert H. Barkhouser , Julian E. Bautista , Alessandra Beifiori , Andreas A. Berlind , Vaishali Bhardwaj , Dmitry Bizyaev , Cullen H. Blake , Michael R. Blanton , Michael Blomqvist , Adam S. Bolton , Arnaud Borde , Jo Bovy , W. N. Brandt , Howard Brewington , Jon Brinkmann , Peter J. Brown , Joel R. Brownstein , Kevin Bundy , N. G. Busca , William Carithers , Aurelio R. Carnero , Michael A. Carr , Yanmei Chen , Johan Comparat , Natalia Connolly , Frances Cope , Rupert A. C. Croft , Antonio J. Cuesta , Luiz N. da Costa , James R. A. Davenport , Timothée Delubac , Roland de Putter , Saurav Dhital , Anne Ealet , Garrett L. Ebelke , Daniel J. Eisenstein , S. Escoffier , Xiaohui Fan , N. Filiz Ak , Hayley Finley , Andreu Font-Ribera , R. Génova-Santos , James E. Gunn , Hong Guo , Daryl Haggard , Patrick B. Hall , Jean-Christophe Hamilton , Ben Harris , David W. Harris , Shirley Ho , David W. Hogg , Diana Holder , Klaus Honscheid , Joe Huehnerhoff , Beatrice Jordan , Wendell P. Jordan , Guinevere Kauffmann , Eyal A. Kazin , David Kirkby , Mark A. Klaene , Jean-Paul Kneib , Jean-Marc Le Goff , Khee-Gan Lee , Daniel C. Long , Craig P. Loomis , Britt Lundgren , Robert H. Lupton , Marcio A. G. Maia , Martin Makler , Elena Malanushenko , Viktor Malanushenko , Rachel Mandelbaum , Marc Manera , Claudia Maraston , Daniel Margala , Karen L. Masters , Cameron K. McBride , Patrick McDonald , Ian D. McGreer , Richard McMahon , Olga Mena , Jordi Miralda-Escudé , Antonio D. Montero-Dorta , Francesco Montesano , Demitri Muna , Adam D. Myers , Tracy Naugle , Robert C. Nichol , Pasquier Noterdaeme , Sebastián E. Nuza , Matthew D. Olmstead , Audrey Oravetz , Daniel J. Oravetz , Russell Owen , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Kaike Pan , John K. Parejko , Isabelle Pâris , Will J. Percival , Ismael Pérez-Fournon , Ignasi Pérez-Ràfols , Patrick Petitjean , Robert Pfaffenberger , Janine Pforr , Matthew M. Pieri , Francisco Prada , Adrian M. Price-Whelan , M. Jordan Raddick , Rafael Rebolo , James Rich , Gordon T. Richards , Constance M. Rockosi , Natalie A. Roe , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , J. A. Rubiño-Martin , Lado Samushia , Ariel G. Sánchez , Conor Sayres , Sarah J. Schmidt , Donald P. Schneider , C. G. Scóccola , Hee-Jong Seo , Alaina Shelden , Erin Sheldon , Yue Shen , Yiping Shu , Anže Slosar , Stephen A. Smee , Stephanie A. Snedden , Fritz Stauffer , Oliver Steele , Michael A. Strauss , Alina Streblyanska , Nao Suzuki , Molly E. C. Swanson , Tomer Tal , Masayuki Tanaka , Daniel Thomas , Jeremy L. Tinker , Rita Tojeiro , Christy A. Tremonti , M. Vargas Magana , Licia Verde , Matteo Viel , David A. Wake , Mike Watson , Benjamin A. Weaver , David H. Weinberg , Benjamin J. Weiner , Andrew A. West , Martin White , W. M. Wood-Vasey , Christophe Yeche , Idit Zehavi , Gong-Bo Zhao , Zheng Zheng

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

This thesis presents the analysis of the clustering of galaxies in the 6dF Galaxy Survey (6dFGS). At large separation scales the baryon acoustic oscillation (BAO) signal is detected which allows to make an absolute distance measurement at…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-15 Florian Beutler

The cosmic distance can be precisely determined using a `standard ruler' imprinted by primordial baryon acoustic oscillation (hereafter BAO) in the early Universe. The BAO at the targeted epoch is observed by analysing galaxy clustering in…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-09 Cristiano G. Sabiu , Yong-Seon Song

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…

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 , 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

We present the large-scale 3-point correlation function (3PCF) of the SDSS DR12 CMASS sample of $777,202$ Luminous Red Galaxies, the largest-ever sample used for a 3PCF or bispectrum measurement. We make the first high-significance…

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

We compare our analysis of the Baryon Acoustic Oscillations (BAO) feature in the correlation functions of SDSS BOSS DR12 LOWZ and CMASS galaxy samples with the findings of arXiv:1509.06371v2. Using subsets of the data we obtain an empirical…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-18 Behzad Ansarinejad , Tom Shanks

Baryon Acoustic Oscillations (BAO) provide a standard ruler of known physical length, making it a promising probe of the nature of dark energy. The detection of BAO requires measuring galaxy positions and redshifts. "Transversal" (angular…

We present cosmological results from the final galaxy clustering data set of the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital Sky Survey III. Our combined galaxy sample comprises 1.2 million massive galaxies over an…

We present a measurement of the anisotropic and isotropic Baryon Acoustic Oscillations (BAO) from the extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample with optimal redshift weights. Applying the redshift…

In this work, we propose to utilize the observed ratio of spherically-averaged distance to the sound horizon scale from Baryon Acoustic Oscillation (BAO) data to test the cosmic distance duality relation (CDDR) by comparing the luminosity…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-11 Fan Yang , Xiangyun Fu , Bing Xu , Kaituo Zhang , Yang Huang , Ying Yang

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…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-23 David W. Pearson , Lado Samushia

The 2-point angular correlation function $w(\theta)$ (2PACF), where $\theta$ is the angular separation between pairs of galaxies, provides the transversal Baryon Acoustic Oscillation (BAO) signal almost model-independently. In this paper we…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-04 G. C. Carvalho , A. Bernui , M. Benetti , J. C. Carvalho , J. S. Alcaniz

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

With the remarkable increase in scale and precision provided by upcoming galaxy redshift surveys, systematic errors that were previously negligible may become significant. In this paper, we explore the potential impact of low-magnitude…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-16 Aaron Glanville , Cullan Howlett , Tamara M. Davis