The cosmic microwave background (CMB) is a snapshot of the Universe at early times (z ∼ 1100). In the recent years, several experiments have provided constraints on the concordance ΛCDM model from a statistical analysis of the CMB anisotropies. On the other hand, many galaxy surveys will measure the 3D distribution of the dark matter component of

An exoplanet is an astronomical object that orbits one or more stars different from the Sun and has a mass lower than that necessary to produce the thermonuclear fusion of deuterium. Among the variety of techniques implemented to discover these objects, one of the most reliable is the radial velocity (RV) method. This technique is based on

Los estudios de poblaciones estelares proporcionan pistas únicas para restringir los modelos de formación de galaxias. Los resultados obtenidos hasta la fecha a partir del rango espectral óptico sugieren que las galaxias de primeros tipos (elípticas y lenticulares) más masivas, las cuales constituyen el ∼60% de la masa estelar total en el Universo

We present the first cosmology results from large-scale structure using the full 5000 deg2 of imaging data from the Dark Energy Survey (DES) Data Release 1. We perform an analysis of large-scale structure combining three two-point correlation functions (3 ×2 pt ): (i) cosmic shear using 100 million source galaxies, (ii) galaxy clustering, and (iii)

<related-article ext-link-type="doi" related-article-type="companion" xlink:href="10.1103/PhysRevD.105.023515"/>This work, together with its companion paper, Secco, Samuroff et al. [Phys. Rev. D 105, 023515 (2022), 10.1103/PhysRevD.105.023515], present the Dark Energy Survey Year 3 cosmic-shear measurements and cosmological constraints based on an

This work and its companion paper, Amon et al. [Phys. Rev. D 105, 023514 (2022), 10.1103/PhysRevD.105.023514], present cosmic shear measurements and cosmological constraints from over 100 million source galaxies in the Dark Energy Survey (DES) Year 3 data. We constrain the lensing amplitude parameter S8≡σ8√{Ωm/0.3 } at the 3% level in Λ CDM : S8=0