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Related papers: Full Shape Cosmology Analysis from BOSS in configu…

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We introduce an emulator-based method to model the cross-correlation between cosmological voids and galaxies. This allows us to model the effect of cosmology on void finding and on the shape of the void-galaxy cross-correlation function,…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-16 Tristan S. Fraser , Enrique Paillas , Will J. Percival , Seshadri Nadathur , Slađana Radinović , Hans A. Winther

In this work, we test a framework to perform the analysis of redshift-space distortions simultaneously in configuration and Fourier space. We test our methods with the AbacusSummit suite of N-body simulations as well as a more numerous set…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-25 Vincenzo Aronica , Julian E. Bautista , Arnaud de Mattia , Hector Gil-Marín

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

We present the first cosmological constraints from analyzing higher-order galaxy clustering on non-linear scales. We use ${\rm S{\scriptsize IM}BIG}$, a forward modeling framework for galaxy clustering analyses that employs simulation-based…

Cosmic shear is a powerful probe of cosmology, but it is affected by the intrinsic alignment (IA) of galaxy shapes with the large-scale structure. Upcoming surveys like Euclid and Vera C. Rubin Observatory's Legacy Survey of Space and Time…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-04 Laila Linke , Susan Pyne , Benjamin Joachimi , Christos Georgiou , Kai Hoffmann , Rachel Mandelbaum , Sukhdeep Singh

We present improved methodology for including covariance matrices in the error budget of Baryon Oscillation Spectroscopic Survey (BOSS) galaxy clustering measurements, revisiting Data Release 9 (DR9) analyses, and describing a method that…

We re-analyze the full shape of BOSS galaxy two-point function from the Effective-Field Theory of Large-Scale Structure at the one loop within $\Lambda$CDM with massive neutrinos using a big bang nucleosynthesis (BBN) prior, removing the…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-23 Pierre Zhang , Yifu Cai

We explore full-shape analysis with simulation-based priors, which is the simplest approach to galaxy clustering data analysis that combines effective field theory (EFT) on large scales and numerical simulations on small scales. The core…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-10 Mikhail M. Ivanov , Andrej Obuljen , Carolina Cuesta-Lazaro , Michael W. Toomey

Recent findings from DESI BAO combined with Planck CMB data have set an upper limit on the total neutrino mass of $\sum m_\nu < 0.072\, \text{eV}$ (95% confidence level), ruling out the inverted hierarchy. Indeed, methods that rely on the…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-24 Hernán E. Noriega , Alejandro Aviles

We present the cosmological implications of measurements of void-galaxy and galaxy-galaxy clustering from the Sloan Digital Sky Survey (SDSS) Main Galaxy Sample (MGS), Baryon Oscillation Spectroscopic Survey (BOSS), and extended BOSS…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-01 Alex Woodfinden , Will J. Percival , Seshadri Nadathur , Hans A. Winther , T. S. Fraser , Elena Massara , Enrique Paillas , Slađana Radinović

We present an improved model-independent method for determining the cosmic curvature using the observations of Baryon Acoustic Oscillations (BAOs) and the Hubble parameter. The purpose of this work is to provide insights into late-universe…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-06 Tonghua Liu , Shengjia Wang , Hengyu Wu , Jieci Wang

$ $Future surveys could obtain tighter constraints on the cosmological parameters with the galaxy power spectrum than with the Cosmic Microwave Background. However, the inclusion of multiple overlapping tracers, redshift bins, and more…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-24 Yan Lai , Cullan Howlett , Tamara M. Davis

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 study the morphology of luminous and massive galaxies at 0.3<z<0.7 targeted in the Baryon Oscillation Spectroscopic Survey (BOSS) using publicly available Hubble Space Telescope imaging from COSMOS. Our sample (240 objects) provides a…

Estimation of parameters of the \lq standard\rq \,model of cosmology have dramatically improved over past few decades due to increasingly exquisite measurements made by Cosmic Microwave Background (CMB) experiments. Recent data from Planck…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-13 Santanu Das , Suvodip Mukherjee , Tarun Souradeep

We present a void clustering analysis in configuration-space using the completed Sloan Digital Sky Survey IV (SDSS-IV) extended Baryon Oscillation Spectroscopic Survey (eBOSS) DR16 samples. These samples consist of Luminous Red Galaxies…

The precision of the cosmological data allows us to accurately approximate the predictions for cosmological observables by Taylor expanding up to a low order the dependence on the cosmological parameters around a reference cosmology. By…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-17 Thomas Colas , Guido D'Amico , Leonardo Senatore , Pierre Zhang , Florian Beutler

We analyze the Dark Energy Survey (DES) Year 3 data using predictions from the Effective Field Theory of Large-Scale Structure (EFTofLSS). Specifically, we fit three two-point observables (3$\times$2pt), galaxy clustering, galaxy-galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-07 Guido D'Amico , Alexandre Refregier , Leonardo Senatore , Pierre Zhang