Astrofísicas: Estructura a gran escala del universo

  • Noticia
    Prueban un método para investigar la inflación cósmica
    Un equipo de astrónomos del Observatorio Astronómico Nacional de Japón (NAOJ), con la participación del Instituto de Astrofísica de Canarias (IAC), ha probado...
  • Publicación
    Relationships between cluster densities and other statistical quantities.
    We present a procedure for obtaining the cluster densities in terms of the probability, P_n_(r), for a randomly placed sphere of radius r to contain n galaxies...
  • Publicación
    Robust sampling for weak lensing and clustering analyses with the Dark Energy Survey
    Recent cosmological analyses rely on the ability to accurately sample from high-dimensional posterior distributions. A variety of algorithms have been applied...
  • Publicación
    Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey. I. Evidence for Thermal Energy Anisotropy Using Oriented Stacking
    The cosmic web contains filamentary structure on a wide range of scales. On the largest scales, superclustering aligns multiple galaxy clusters along...
  • Publicación
    Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey. II. Anisotropic Large-scale Coherence in Hot Gas, Galaxies, and Dark Matter
    Statistics that capture the directional dependence of the baryon distribution in the cosmic web enable unique tests of cosmology and astrophysical feedback. We...
  • Publicación
    The Atacama Cosmology Telescope: A Catalog of >4000 Sunyaev–Zel’dovich Galaxy Clusters
    We present a catalog of 4195 optically confirmed Sunyaev–Zel’dovich (SZ) selected galaxy clusters detected with signal-to-noise ratio >4 in 13,211 deg 2 of sky...
  • Publicación
    The Herschel-PEP survey: evidence for downsizing in the hosts of dusty star-forming systems
    By making use of Herschel PACS Evolutionary Probe observations of the COSMOS and Extended Groth Strip fields, we have estimated the dependence of the clustering...
  • Publicación
    The Negative Baryon Acoustic Oscillation Shift in the Lyα Forest from Cosmological Simulations
    We present the first measurement of the Lyα forest baryon acoustic oscillations (BAO) shift parameter from cosmological simulations. In particular, we generate...
  • Publicación
    The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data Release
    We present the final Sloan Digital Sky Survey IV (SDSS-IV) quasar catalog from Data Release 16 of the extended Baryon Oscillation Spectroscopic Survey (eBOSS)...