Astrofísicas: Cosmología

  • Publicación
    Dark energy survey: Modeling strategy for multiprobe cluster cosmology and validation for the full six-year dataset
    We introduce an updated To&Krause2021 model for joint analyses of cluster abundances and large-scale two-point correlations of weak lensing and galaxy and...
  • Publicación
    Dark energy versus Ωm = 1 in the growth of matter perturbations
    We explore the possibility of discriminating dark energy models from the study of the growth of matter perturbations. For the sake of simplicity, instead of...
  • Publicación
    Dark matter content of ETGs and its relation to the local density of galaxies
    We study the behaviour of the dynamical and stellar mass inside the effective radius as function of local density for early-type galaxies (ETGs). We use several...
  • Publicación
    Dark matter halo concentrations in the Wilkinson Microwave Anisotropy Probe year 5 cosmology
    We use a combination of three large N-body simulations to investigate the dependence of dark matter halo concentrations on halo mass and redshift in the...
  • Publicación
    Data treatment towards the ELT age. The ESPRESSO case
    Several ambitious scientific projects are currently pushing the limits of astrophysical spectroscopy, in terms of wavelength accuracy and long-term stability...
  • Publicación
    Deep surveys and cosmology.
    Not Available
  • Publicación
    Density distribution of the cosmological matter field
    The one-point probability distribution function (PDF) of the matter density field in the universe is a fundamental property that plays an essential role in...
  • Publicación
    Density weighted angular redshift fluctuations: a new cosmological observable
    We propose the use of angular fluctuations in the galaxy redshift field as a new way to extract cosmological information in the Universe. This new probe $\delta...
  • Noticia
    Descubren en el Universo distante una diminuta galaxia con una extraordinaria formación estelar
    Gracias a observaciones realizadas con el Telescopio Espacial James Webb (JWST), un equipo científico internacional, en el que participa el Instituto de...