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We present cosmological parameter measurements from the effective field theory-based full-shape analysis of the power spectrum of emission line galaxies (ELGs). First, we perform extensive tests on simulations and determine appropriate…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-02 Mikhail M. Ivanov

We present a new, model-independent measurement of the clustering amplitude of galaxies and the growth of cosmic large-scale structures from the Baryon Oscillation Spectroscopic Survey (BOSS) 12th data release (DR12). This is achieved by…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-14 Konstantinos Tanidis , Stefano Camera

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 analyze the 2D correlation function of the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) CMASS sample of massive galaxies of the ninth data release to measure cosmic expansion H and the angular diameter distance D_A at a mean…

We constrain dark energy and modified gravity within the effective field theory of dark energy framework using the full-shape BOSS galaxy power spectrum, combined with Planck cosmic microwave background (CMB) data and recent baryon acoustic…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-09 Petter Taule , Marco Marinucci , Giorgia Biselli , Massimo Pietroni , Filippo Vernizzi

The Universe's initial conditions, in particular baryon and cold dark matter (CDM) isocurvature perturbations, are poorly constrained on sub-Mpc scales. In this paper, we develop a new formalism to compute the effect of small-scale baryon…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-24 Nanoom Lee , Yacine Ali-Haïmoud

The canonical $\Lambda$CDM cosmological model makes precise predictions for the clustering and lensing properties of galaxies. It has been shown that the lensing amplitude of galaxies in the Baryon Oscillation Spectroscopic Survey (BOSS) is…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-03 Johannes U. Lange , Alexie Leauthaud , Sukhdeep Singh , Hong Guo , Rongpu Zhou , Tristan L. Smith , Francis-Yan Cyr-Racine

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

The measurement of the scale of the baryon acoustic oscillations (BAO) in the galaxy power spectrum as a function of redshift is a promising method to constrain the equation-of-state parameter of the dark energy w. To measure the scale of…

Astrophysics · Physics 2009-06-23 Christian Wagner , Volker Müller , Matthias Steinmetz

The result presented by the BOSS-SDSS Collaboration measuring the baryon acoustic oscillations of the Lyman-$\alpha$ forest from high-redshift quasars indicates a $2.5\sigma$ departure from the standard $\Lambda$-cold-dark-matter model.…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-24 Elisa G. M. Ferreira , Jerome Quintin , André A. Costa , E. Abdalla , Bin Wang

We use analytic covariance matrices to carry out a full-shape analysis of the galaxy power spectrum multipoles from the Baryon Oscillation Spectroscopic Survey (BOSS). We obtain parameter estimates that agree well with those based on the…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-29 Digvijay Wadekar , Mikhail M. Ivanov , Roman Scoccimarro

We analyse the power spectrum of the Baryon Oscillation Spectroscopic Survey (BOSS), Data Release 12 (DR12) to constrain the relative velocity effect, which represents a potential systematic for measurements of the Baryon Acoustic…

Cosmology and Nongalactic Astrophysics · Physics 2017-09-08 Florian Beutler , Uros Seljak , Zvonimir Vlah

We present a joint analysis of the power spectra of density fluctuations from three independent cosmological redshift surveys; the PSCz galaxy catalog, the APM galaxy cluster catalog and the Abell/ACO cluster catalog. Over the range 0.03 <=…

Astrophysics · Physics 2009-11-06 Christopher J. Miller , Robert C. Nichol , David J. Batuski

We present a new model for the redshift-space power spectrum of galaxies and demonstrate its accuracy in modeling the monopole, quadrupole, and hexadecapole of the galaxy density field down to scales of $k = 0.4 \ h\mathrm{Mpc}^{-1}$. The…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-18 Nick Hand , Uros Seljak , Florian Beutler , Zvonimir Vlah

Baryon acoustic oscillations (BAOs) imprinted in the galaxy power spectrum can be used as a standard ruler to determine angular diameter distance and Hubble parameter at high redshift galaxies. Combining redshift distortion effect which…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-07 Atsushi Taruya , Shun Saito , Takahiro Nishimichi

The anisotropy of the cosmic microwave background radiation contains information about the contents and history of the universe. We report new limits on cosmological parameters derived from the angular power spectrum measured in the first…

We analyse the anisotropic clustering of the Baryon Oscillation Spectroscopic Survey (BOSS) CMASS Data Release 11 sample, which consists of $690 827$ galaxies in the redshift range $0.43 < z < 0.70$ and has a sky coverage of $8 498$ deg$^2$…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Héctor Gil-Marín , Jorge Noreña , Licia Verde , Will J. Percival , Christian Wagner , Marc Manera , Donald P. Schneider

The coupling of photons and baryons by Thomson scattering in the early universe imprints features in both the Cosmic Microwave Background (CMB) and matter power spectra. The former have been used to constrain a host of cosmological…

Astrophysics · Physics 2008-11-26 Martin White

We investigate the cosmological implications of studying galaxy clustering using a tomographic approach applied to the final BOSS DR12 galaxy sample, including both auto- and cross-correlation functions between redshift shells. We model the…