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In this paper we present and validate the galaxy sample used for the analysis of the baryon acoustic oscillation (BAO) signal in the Dark Energy Survey (DES) Y6 data. The definition is based on a color and redshift-dependent magnitude cut…

We define and characterise a sample of 1.3 million galaxies extracted from the first year of Dark Energy Survey data, optimised to measure Baryon Acoustic Oscillations in the presence of significant redshift uncertainties. The sample is…

We present angular diameter measurements obtained by measuring the position of Baryon Acoustic Oscillations (BAO) in an optimised sample of galaxies from the first three years of Dark Energy Survey data (DES Y3). The sample consists of 7…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-21 DES Collaboration , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Asorey , S. Avila , G. M. Bernstein , E. Bertin , A. Brandao-Souza , D. Brooks , D. L. Burke , J. Calcino , H. Camacho , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , K. C. Chan , A. Choi , C. Conselice , M. Costanzi , M. Crocce , L. N. da Costa , M. E. S. Pereira , T. M. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , K. Eckert , J. Elvin-Poole , S. Everett , A. E. Evrard , X. Fang , I. Ferrero , A. Ferté , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , K. Glazebrook , D. Gomes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , T. Jeltema , N. Kokron , E. Krause , K. Kuehn , O. Lahav , G. F. Lewis , C. Lidman , M. Lima , H. Lin , M. A. G. Maia , U. Malik , P. Martini , P. Melchior , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Muir , J. Myles , A. Möller , A. Palmese , F. Paz-Chinchón , W. J. Percival , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. Sanchez , D. Sanchez Cid , V. Scarpine , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , M. A. Troxel , B. E. Tucker , D. L. Tucker , I. Tutusaus , S. A. Uddin , T. N. Varga , J. Weller , R. D. Wilkinson

We present angular diameter distance measurements obtained by locating the BAO scale in the distribution of galaxies selected from the first year of Dark Energy Survey data. We consider a sample of over 1.3 million galaxies distributed over…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-11 The Dark Energy Survey Collaboration , T. M. C. Abbott , F. B. Abdalla , A. Alarcon , S. Allam , F. Andrade-Oliveira , J. Annis , S. Avila , M. Banerji , N. Banik , K. Bechtol , G. M. Bernstein , R. A. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , H. Camacho , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , K. C. Chan , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , C. Davis , J. De Vicente , D. L. DePoy , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , J. Elvin-Poole , J. Estrada , A. E. Evrard , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. Hollowood , K. Honscheid , B. Hoyle , B. Jain , D. J. James , T. Jeltema , M. D. Johnson , S. Kent , N. Kokron , E. Krause , K. Kuehn , S. Kuhlmann , N. Kuropatkin , F. Lacasa , O. Lahav , M. Lima , H. Lin , M. A. G. Maia , M. Manera , J. Marriner , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , C. J. Miller , R. Miquel , J. J. Mohr , E. Neilsen , W. J. Percival , A. A. Plazas , A. Porredon , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. Rozo , E. S. Rykoff , M. Sako , E. Sanchez , B. Santiago , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , R. C. Smith , M. Smith , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , M. A. Troxel , D. L. Tucker , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , B. Yanny , Y. Zhang

The calibration and validation of scientific analysis in simulations is a fundamental tool to ensure unbiased and robust results in observational cosmology. In particular, mock galaxy catalogs are a crucial resource to achieve these goals…

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 first detection of the baryon acoustic oscillations (BAO) signal obtained using unblinded data collected during the initial two months of operations of the Stage-IV ground-based Dark Energy Spectroscopic Instrument (DESI).…

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 measurement of baryon acoustic oscillations (BAO) from a galaxy redshift survey provides one of the most promising methods for probing dark energy. In this paper, we clarify the assumptions that go into the forecasts of dark energy…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-23 Yun Wang

The fiducial cosmological analyses of imaging galaxy surveys like the Dark Energy Survey (DES) typically probe the Universe at redshifts $z < 1$. This is mainly because of the limited depth of these surveys, and also because such analyses…

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…

Cosmology and Nongalactic Astrophysics · Physics 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

Low redshift measurements of Baryon Acoustic Oscillations (BAO) test the late time evolution of the Universe and are a vital probe of Dark Energy. Over the past decade both the 6-degree Field Galaxy Survey (6dFGS) and Sloan Digital Sky…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 Paul Carter , Florian Beutler , Will J. Percival , Chris Blake , Jun Koda , Ashley J. Ross

The Baryon Acoustic Oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to measure the accelerated expansion of the Universe. To extract all available information about dark energy, it is necessary to…

We optimize the design of future spectroscopic redshift surveys for constraining the dark energy via precision measurements of the baryon acoustic oscillations (BAO), with particular emphasis on the design of the Wide-Field Multi-Object…

DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 DESI Collaboration , Amir Aghamousa , Jessica Aguilar , Steve Ahlen , Shadab Alam , Lori E. Allen , Carlos Allende Prieto , James Annis , Stephen Bailey , Christophe Balland , Otger Ballester , Charles Baltay , Lucas Beaufore , Chris Bebek , Timothy C. Beers , Eric F. Bell , José Luis Bernal , Robert Besuner , Florian Beutler , Chris Blake , Hannes Bleuler , Michael Blomqvist , Robert Blum , Adam S. Bolton , Cesar Briceno , David Brooks , Joel R. Brownstein , Elizabeth Buckley-Geer , Angela Burden , Etienne Burtin , Nicolas G. Busca , Robert N. Cahn , Yan-Chuan Cai , Laia Cardiel-Sas , Raymond G. Carlberg , Pierre-Henri Carton , Ricard Casas , Francisco J. Castander , Jorge L. Cervantes-Cota , Todd M. Claybaugh , Madeline Close , Carl T. Coker , Shaun Cole , Johan Comparat , Andrew P. Cooper , M. -C. Cousinou , Martin Crocce , Jean-Gabriel Cuby , Daniel P. Cunningham , Tamara M. Davis , Kyle S. Dawson , Axel de la Macorra , Juan De Vicente , Timothée Delubac , Mark Derwent , Arjun Dey , Govinda Dhungana , Zhejie Ding , Peter Doel , Yutong T. Duan , Anne Ealet , Jerry Edelstein , Sarah Eftekharzadeh , Daniel J. Eisenstein , Ann Elliott , Stéphanie Escoffier , Matthew Evatt , Parker Fagrelius , Xiaohui Fan , Kevin Fanning , Arya Farahi , Jay Farihi , Ginevra Favole , Yu Feng , Enrique Fernandez , Joseph R. Findlay , Douglas P. Finkbeiner , Michael J. Fitzpatrick , Brenna Flaugher , Samuel Flender , Andreu Font-Ribera , Jaime E. Forero-Romero , Pablo Fosalba , Carlos S. Frenk , Michele Fumagalli , Boris T. Gaensicke , Giuseppe Gallo , Juan Garcia-Bellido , Enrique Gaztanaga , Nicola Pietro Gentile Fusillo , Terry Gerard , Irena Gershkovich , Tommaso Giannantonio , Denis Gillet , Guillermo Gonzalez-de-Rivera , Violeta Gonzalez-Perez , Shelby Gott , Or Graur , Gaston Gutierrez , Julien Guy , Salman Habib , Henry Heetderks , Ian Heetderks , Katrin Heitmann , Wojciech A. Hellwing , David A. Herrera , Shirley Ho , Stephen Holland , Klaus Honscheid , Eric Huff , Timothy A. Hutchinson , Dragan Huterer , Ho Seong Hwang , Joseph Maria Illa Laguna , Yuzo Ishikawa , Dianna Jacobs , Niall Jeffrey , Patrick Jelinsky , Elise Jennings , Linhua Jiang , Jorge Jimenez , Jennifer Johnson , Richard Joyce , Eric Jullo , Stéphanie Juneau , Sami Kama , Armin Karcher , Sonia Karkar , Robert Kehoe , Noble Kennamer , Stephen Kent , Martin Kilbinger , Alex G. Kim , David Kirkby , Theodore Kisner , Ellie Kitanidis , Jean-Paul Kneib , Sergey Koposov , Eve Kovacs , Kazuya Koyama , Anthony Kremin , Richard Kron , Luzius Kronig , Andrea Kueter-Young , Cedric G. Lacey , Robin Lafever , Ofer Lahav , Andrew Lambert , Michael Lampton , Martin Landriau , Dustin Lang , Tod R. Lauer , Jean-Marc Le Goff , Laurent Le Guillou , Auguste Le Van Suu , Jae Hyeon Lee , Su-Jeong Lee , Daniela Leitner , Michael Lesser , Michael E. Levi , Benjamin L'Huillier , Baojiu Li , Ming Liang , Huan Lin , Eric Linder , Sarah R. Loebman , Zarija Lukić , Jun Ma , Niall MacCrann , Christophe Magneville , Laleh Makarem , Marc Manera , Christopher J. Manser , Robert Marshall , Paul Martini , Richard Massey , Thomas Matheson , Jeremy McCauley , Patrick McDonald , Ian D. McGreer , Aaron Meisner , Nigel Metcalfe , Timothy N. Miller , Ramon Miquel , John Moustakas , Adam Myers , Milind Naik , Jeffrey A. Newman , Robert C. Nichol , Andrina Nicola , Luiz Nicolati da Costa , Jundan Nie , Gustavo Niz , Peder Norberg , Brian Nord , Dara Norman , Peter Nugent , Thomas O'Brien , Minji Oh , Knut A. G. Olsen , Cristobal Padilla , Hamsa Padmanabhan , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Antonella Palmese , Daniel Pappalardo , Isabelle Pâris , Changbom Park , Anna Patej , John A. Peacock , Hiranya V. Peiris , Xiyan Peng , Will J. Percival , Sandrine Perruchot , Matthew M. Pieri , Richard Pogge , Jennifer E. Pollack , Claire Poppett , Francisco Prada , Abhishek Prakash , Ronald G. Probst , David Rabinowitz , Anand Raichoor , Chang Hee Ree , Alexandre Refregier , Xavier Regal , Beth Reid , Kevin Reil , Mehdi Rezaie , Constance M. Rockosi , Natalie Roe , Samuel Ronayette , Aaron Roodman , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , Eduardo Rozo , Vanina Ruhlmann-Kleider , Eli S. Rykoff , Cristiano Sabiu , Lado Samushia , Eusebio Sanchez , Javier Sanchez , David J. Schlegel , Michael Schneider , Michael Schubnell , Aurélia Secroun , Uros Seljak , Hee-Jong Seo , Santiago Serrano , Arman Shafieloo , Huanyuan Shan , Ray Sharples , Michael J. Sholl , William V. Shourt , Joseph H. Silber , David R. Silva , Martin M. Sirk , Anze Slosar , Alex Smith , George F. Smoot , Debopam Som , Yong-Seon Song , David Sprayberry , Ryan Staten , Andy Stefanik , Gregory Tarle , Suk Sien Tie , Jeremy L. Tinker , Rita Tojeiro , Francisco Valdes , Octavio Valenzuela , Monica Valluri , Mariana Vargas-Magana , Licia Verde , Alistair R. Walker , Jiali Wang , Yuting Wang , Benjamin A. Weaver , Curtis Weaverdyck , Risa H. Wechsler , David H. Weinberg , Martin White , Qian Yang , Christophe Yeche , Tianmeng Zhang , Gong-Bo Zhao , Yi Zheng , Xu Zhou , Zhimin Zhou , Yaling Zhu , Hu Zou , Ying Zu

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 conducted a review of the fundamental aspects of describing and detecting the Baryon Acoustic Oscillation (BAO) feature in galaxy surveys, emphasizing the optimal tools for constraining this probe based on the type of observation.…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-06 Paula S. Ferreira , Ribamar R. R. Reis
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