Astrofísicas: Cosmología

  • Publicación
    The Bias from Hydrodynamic Simulations: Mapping Baryon Physics onto Dark Matter Fields
    This paper investigates the hierarchy of baryon physics assembly bias relations obtained from state-of-the-art hydrodynamic simulations with respect to the...
  • Publicación
    The bias of dark matter tracers: assessing the accuracy of mapping techniques
    We present a comparison between approximated methods for the construction of mock catalogues based on the halo-bias mapping technique. To this end, we use as...
  • Publicación
    The BINGO project. I. Baryon acoustic oscillations from integrated neutral gas observations
    Context. Observations of the redshifted 21-cm line of neutral hydrogen (H I) are a new and powerful window of observation that offers us the possibility to map...
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    The BINGO Project. III. Optical design and optimization of the focal plane
    Context. The Baryon Acoustic Oscillations from Integrated Neutral Gas Observations (BINGO) telescope was designed to measure the fluctuations of the 21 cm...
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    The BINGO project. IV. Simulations for mission performance assessment and preliminary component separation steps
    Aims: The large-scale distribution of neutral hydrogen (H I) in the Universe is luminous through its 21 cm emission. The goal of the Baryon Acoustic...
  • Publicación
    The BINGO project. V. Further steps in component separation and bispectrum analysis
    Context. Observing the neutral hydrogen distribution across the Universe via redshifted 21 cm line intensity mapping constitutes a powerful probe for cosmology...
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    The bright galaxy population of five medium redshift clusters. I. Color-magnitude relation, blue fractions, and visual morphology
    Aims: Using data from five clusters of galaxies within the redshift range 0.15 ≤ z ≤ 0.25, imaged with the Nordic Optical Telescope (NOT) in the central ≈1 Mpc2...
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    The bright galaxy population of five medium redshift clusters. II. Quantitative galaxy morphology
    Aims: Following the study presented in our previous paper, based on the Nordic Optical Telescope (NOT) sample, which consists of five clusters of galaxies...
  • Publicación
    The bright optical afterglow of the long GRB 001007
    We present optical follow up observations of the long GRB 001007 between 6.14 hours and ~468 days after the event. An unusually bright optical afterglow (OA)...