Astrofísicas: Universo temprano

  • Publicación
    Planck 2015 results. XIX. Constraints on primordial magnetic fields
    We compute and investigate four types of imprint of a stochastic background of primordial magnetic fields (PMFs) on the cosmic microwave background (CMB)...
  • Publicación
    Planck 2015 results. XVII. Constraints on primordial non-Gaussianity
    The Planck full mission cosmic microwave background (CMB) temperature and E-mode polarization maps are analysed to obtain constraints on primordial non...
  • Publicación
    Planck 2015 results. XX. Constraints on inflation
    We present the implications for cosmic inflation of the Planck measurements of the cosmic microwave background (CMB) anisotropies in both temperature and...
  • Publicación
    Planck 2018 results. IX. Constraints on primordial non-Gaussianity
    We analyse the Planck full-mission cosmic microwave background (CMB) temperature and E-mode polarization maps to obtain constraints on primordial non...
  • Charla
    Presentation of the book: "Fundamental ideas in Cosmology. Scientific, philosophical and sociological critical perspectives" (IoP Science, 2022)
    Cosmological observations (redshifts, cosmic microwave background radiation, abundance of light elements, formation and evolution of galaxies, large-scale...
  • Charla
    Probing the early Universe with gravitational Wave Background
    We will review both theoretical and obsevational aspects of gravitational wave backgrounds of cosmological origin. We will present a classifcation of...
  • Charla
    Probing the early Universe with radio galaxies
    Luminous high-redshift radio galaxies (HzRGs) are associated with the most massive known galaxies in the early Universe. These galaxies have the properties...
  • Publicación
    Revised Primordial Helium Abundance Based on New Atomic Data
    We have derived a primordial helium abundance of Yp=0.2477+/-0.0029, based on new atomic physics computations of the recombination coefficients of He I and of...
  • Publicación
    SHARDS Frontier Fields: Physical Properties of a Low-mass Lyα Emitter at z = 5.75
    We analyze the properties of a multiply imaged Lyα (Lyα) emitter at z = 5.75 identified through SHARDS Frontier Fields intermediate-band imaging of the Hubble...