activity
20122026
most citedThe clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample

3.1k citations · 11.7k across the 51 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

45 papers · 1 filter

astro-ph.CO2026

: Symbolic Models to Predict the Evolution of the CDM Nonlinear Power Spectrum

Manvi Chauhan, Daniel J. Farrow, Ariel G. Sánchez +3

We present and , a pair of analytical emulators developed to predict the nonlinear power spectrum based on its linear counterpart and several esse…

astro-ph.CO2026

HETDEX [OII] galaxies at : Volume-limited samples and their power spectra

Jeongin Moon, Eiichiro Komatsu, Robin Ciardullo +15

The catalog from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Public Data Release 1 (PDR1) contains half a million emission-line-selected [OII] galaxies spread across…

astro-ph.CO2021★ 28 cited

Correcting correlation functions for redshift-dependent interloper contamination

Daniel J. Farrow, Ariel G. Sánchez, Robin Ciardullo +14

The construction of catalogues of a particular type of galaxy can be complicated by interlopers contaminating the sample. In spectroscopic galaxy surveys this can be due to the mis…

astro-ph.CO2021★ 21 cited

Testing one-loop galaxy bias: cosmological constraints from the power spectrum

Andrea Pezzotta, Martin Crocce, Alexander Eggemeier +2

We investigate the impact of different assumptions in the modeling of one-loop galaxy bias on the recovery of cosmological parameters, as a follow up of the analysis done in the fi…

astro-ph.CO2021★ 69 cited

Testing one-loop galaxy bias: joint analysis of power spectrum and bispectrum

Alexander Eggemeier, Román Scoccimarro, Robert E. Smith +3

We present a joint likelihood analysis of the real-space power spectrum and bispectrum measured from a variety of halo and galaxy mock catalogs. A novel aspect of this work is the…

astro-ph.CO2021★ 60 cited

Redshift-space distortions with split densities

Enrique Paillas, Yan-Chuan Cai, Nelson Padilla +1

Accurate modelling of redshift-space distortions (RSD) is challenging in the non-linear regime for two-point statistics e.g. the two-point correlation function (2PCF). We take a di…

astro-ph.CO2020★ 14 cited

MEDUSA: Minkowski functionals estimated from Delaunay tessellations of the three-dimensional large-scale structure

Martha Lippich, Ariel G. Sánchez

Minkowski functionals (MFs) are a set of statistics that characterise the geometry and topology of the cosmic density field and contain complementary information to the standard tw…

astro-ph.CO2020★ 134 cited

KiDS-1000 Cosmology: constraints beyond flat CDM

Tilman Tröster, Marika Asgari, Chris Blake +26

We present constraints on extensions to the flat CDM cosmological model by varying the spatial curvature , the sum of the neutrino masses , the dark energy equati…

astro-ph.CO2020★ 752 cited

KiDS-1000 Cosmology: Multi-probe weak gravitational lensing and spectroscopic galaxy clustering constraints

Catherine Heymans, Tilman Tröster, Marika Asgari +31

We present a joint cosmological analysis of weak gravitational lensing observations from the Kilo-Degree Survey (KiDS-1000), with redshift-space galaxy clustering observations from…

astro-ph.CO2020★ 46 cited

Redshift-space effects in voids and their impact on cosmological tests. Part I: the void size function

Carlos M. Correa, Dante J. Paz, Ariel G. Sánchez +3

Voids are promising cosmological probes. Nevertheless, every cosmological test based on voids must necessarily employ methods to identify them in redshift space. Therefore, redshif…

astro-ph.CO2020★ 347 cited

The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: BAO and RSD measurements from anisotropic clustering analysis of the Quasar Sample in configuration space between redshift 0.8 and 2.2

Jiamin Hou, Ariel G. Sánchez, Ashley J. Ross +27

We measure the anisotropic clustering of the quasar sample from Data Release 16 (DR16) of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (eBOSS).…

astro-ph.CO2019★ 176 cited

Cosmology from large-scale structure: Constraining CDM with BOSS

Tilman Tröster, Ariel. G. Sánchez, Marika Asgari +9

We reanalyse the anisotropic galaxy clustering measurement from the Baryon Oscillation Spectroscopic Survey (BOSS), demonstrating that using the full shape information provides cos…

astro-ph.CO2019★ 61 cited

Toward a robust inference method for the galaxy bispectrum: likelihood function and model selection

Andrea Oddo, Emiliano Sefusatti, Cristiano Porciani +2

The forthcoming generation of galaxy redshift surveys will sample the large-scale structure of the Universe over unprecedented volumes with high-density tracers. This advancement w…

astro-ph.CO2019★ 20 cited

One simulation to have them all: performance of the Bias Assignment Method against N-body simulations

Andrés Balaguera-Antolínez, Francisco-Shu Kitaura, Marcos Pellejero-Ibáñez +6

In this paper we demonstrate that the information encoded in \emph{one} single (sufficiently large) -body simulation can be used to reproduce arbitrary numbers of halo catalogue…

astro-ph.CO2018★ 28 cited

Non-fiducial cosmological test from geometrical and dynamical distortions around voids

Carlos M. Correa, Dante J. Paz, Nelson D. Padilla +3

We present a new cosmological test using the distribution of galaxies around cosmic voids without assuming a fiducial cosmology. The test is based on a physical model for the void-…

astro-ph.CO2018★ 45 cited

Large-scale redshift space distortions in modified gravity theories

César Hernández-Aguayo, Jiamin Hou, Baojiu Li +2

Measurements of redshift space distortions (RSD) provide a means to test models of gravity on large-scales. We use mock galaxy catalogues constructed from large N-body simulations…

astro-ph.CO2018★ 78 cited

Comparing approximate methods for mock catalogues and covariance matrices III: Bispectrum

Manuel Colavincenzo, Emiliano Sefusatti, Pierluigi Monaco +19

We compare the measurements of the bispectrum and the estimate of its covariance obtained from a set of different methods for the efficient generation of approximate dark matter ha…

astro-ph.CO2018★ 86 cited

Comparing approximate methods for mock catalogues and covariance matrices II: Power spectrum multipoles

Linda Blot, Martin Crocce, Emiliano Sefusatti +19

We study the accuracy of several approximate methods for gravitational dynamics in terms of halo power spectrum multipoles and their estimated covariance matrix. We propagate the d…

astro-ph.CO2018★ 84 cited

Comparing approximate methods for mock catalogues and covariance matrices I: correlation function

Martha Lippich, Ariel G. Sánchez, Manuel Colavincenzo +19

This paper is the first in a set that analyses the covariance matrices of clustering statistics obtained from several approximate methods for gravitational structure formation. We…

astro-ph.CO2018★ 152 cited

The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: structure growth rate measurement from the anisotropic quasar power spectrum in the redshift range

Héctor Gil-Marín, Julien Guy, Pauline Zarrouk +24

We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample (DR14Q). We measure the redshift space d…

astro-ph.CO2018★ 223 cited

The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: a tomographic measurement of cosmic structure growth and expansion rate based on optimal redshift weights

Gong-Bo Zhao, Yuting Wang, Shun Saito +28

We develop a new method, which is based on the optimal redshift weighting scheme, to extract the maximal tomographic information of baryonic acoustic oscillations (BAO) and redshif…

astro-ph.CO2018★ 81 cited

The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: anisotropic clustering analysis in configuration-space

Jiamin Hou, Ariel G. Sánchez, Román Scoccimarro +20

We explore the cosmological implications of anisotropic clustering measurements of the quasar sample from Data Release 14 of the Sloan Digital Sky Survey IV Extended Baryon Oscilla…

astro-ph.CO2016★ 59 cited

The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: constraining modified gravity

Eva-Maria Mueller, Will Percival, Eric Linder +4

We use baryon acoustic oscillation and redshift space distortion from the completed Baryon Oscillation Spectroscopic Survey, corresponding to data release 12 of the Sloan Digital S…

astro-ph.CO2016★ 87 cited

The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: theoretical systematics and Baryon Acoustic Oscillations in the galaxy correlation function

Mariana Vargas-Magaña, Shirley Ho, Antonio J. Cuesta +18

We investigate the potential sources of theoretical systematics in the anisotropic Baryon Acoustic Oscillation (BAO) distance scale measurements from the clustering of galaxies in…