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Related papers: GI BAO as a cosmological consistency check

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The Baryon Acoustic Oscillations (BAO) feature in the clustering of galaxies or quasars provides a ``standard ruler" for distance measurements in cosmology. In this work, we report a $2\sim3\sigma$ signal of the BAO dip feature in the…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-31 Kun Xu , Y. P. Jing , Gong-Bo Zhao , Antonio J. Cuesta

The Baryon Acoustic Oscillation (BAO) scale in the clustering of galaxies is a powerful standard ruler to measure cosmological distances and determine the geometry of the Universe. Past surveys have detected the BAO feature in the…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-16 Ginevra Favole , Domenico Sapone , Javier Silva Lafaurie

Baryon Acoustic Oscillations are a feature imprinted in the galaxy distribution by acoustic waves traveling in the plasma of the early universe. Their detection at the expected scale in large-scale structures strongly supports current…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 A. Labatie , J. -L. Starck , M. Lachièze-Rey

Baryon acoustic oscillations (BAO) represent one of the cleanest probes of dark energy, allowing for tests of the cosmological model through the measurement of distance and expansion rate from a 3D galaxy distribution. The signal appears at…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-02 Rossana Ruggeri , Chris Blake

Baryon Acoustic Oscillations (BAO) are a feature imprinted in the density field by acoustic waves travelling in the plasma of the early universe. Their fixed scale can be used as a standard ruler to study the geometry of the universe. BAO…

Cosmology and Nongalactic Astrophysics · Physics 2014-05-14 P. Arnalte-Mur , A. Labatie , N. Clerc , V. J. Martínez , J. -L. Starck , M. Lachièze-Rey , E. Saar , S. Paredes

We show that it is possible to build effective matter density power spectra in tomographic cosmic shear observations that exhibit the Baryonic Acoustic Oscillations (BAO) features once a nulling transformation has been applied to the data.…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-08 Francis Bernardeau , Takahiro Nishimichi , Atsushi Taruya

The baryon acoustic oscillation (BAO) feature in the distribution of galaxies has been widely studied as an excellent standard ruler for probing cosmic distances and expansion history, and hence dark energy. In contrast, the amplitude of…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-20 Will Sutherland , Lukasz Mularczyk

Baryon Acoustic Oscillations (BAO) provide a robust standard ruler for observational cosmology, enabling precise constraints on the expansion history of the Universe. We present a weakly model-dependent measurement of the BAO angular scale…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-11 U. Ribeiro , F. Avila , C. R. Bom , C. Franco , A. Cortesi , C. Mendes de Oliveira , A. Kanaan , T. Ribeiro , W. Schoenell , E. Telles , A. Bernui

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 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…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-12 Will Sutherland

Accurate modeling for the evolution of the Baryon Acoustic Oscillations (BAO) is essential for using it as a standard ruler to probe cosmology. We explore the non-linearity of the BAO in different environments using the density-split…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-13 Tengpeng Xu , Yan-Chuan Cai , Yun Chen , Mark Neyrinck , Liang Gao , Qiao Wang

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

We construct cosmic void catalogues with the DIVE void finder upon SDSS BOSS DR12 and eBOSS DR16 galaxy samples with BAO reconstruction applied, and perform a joint BAO analysis using different types of galaxies and the corresponding voids.…

We investigate the potential sources of theoretical systematics in the anisotropic Baryon Acoustic Oscillation (BAO) distance scale measurements from the clustering of galaxies in configuration space using the final Data Release (DR12) of…

The Baryon Acoustic Oscillations (BAO) imprinted a characteristic correlation length in the large-scale structure of the universe that can be used as a standard ruler for mapping out the cosmic expansion history. Here, we discuss the…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-28 Jailson S. Alcaniz , Gabriela C. Carvalho , Armando Bernui , Joel C. Carvalho , Micol Benetti

Baryon acoustic oscillations (BAO) provide a robust standard ruler, and can be used to constrain the expansion history of the Universe at low redshift. Standard BAO analyses return a model-independent measurement of the expansion rate and…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-04 José Luis Bernal , Tristan L. Smith , Kimberly K. Boddy , Marc Kamionkowski

The cosmic structure formed from Baryon Acoustic Oscillations (BAO) in the early universe is imprinted in the galaxy distribution observable in large scale surveys, and is used as a standard ruler in contemporary cosmology. BAO are…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-07 Z. Brown , G. Mishtaku , R. Demina , Y. Liu , C. Popik

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

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Philip Bull , Stefano Camera , Alvise Raccanelli , Chris Blake , Pedro G. Ferreira , Mario G. Santos , Dominik J. Schwarz
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