Astrophysical: Cosmology

  • Publication
    Assessing tension metrics with dark energy survey and Planck data
    Quantifying tensions - inconsistencies amongst measurements of cosmological parameters by different experiments - has emerged as a crucial part of modern...
  • News
    Astronomers discover tiny galaxy with extraordinary star formation in distant Universe
    Using first-of-their-kind observations from the James Webb Space Telescope (JWST), an international scientific team, in which the Instituto de Astrofísica de...
  • Publication
    Asymptotic giant branch stars in NGC 6822: Probes of star formation history
    About 500 asymptotic giant branch (AGB) stars have been resolved and photometrically measured in the Local Group (LG) dwarf irregular galaxy NGC 6822. They draw...
  • Publication
    Atacama Large Aperture Submillimeter Telescope (AtLAST) science: Surveying the distant Universe
    During the most active period of star formation in galaxies, which occurs in the redshift range 1 < z < 3, strong bursts of star formation result in significant...
  • Publication
    B1359+154: A Six-Image Lens Produced by a z ~= 1 Compact Group of Galaxies
    Hubble Space Telescope (HST) V- and I-band observations show that the gravitational lens B1359+154 consists of six images of a single zs=3.235 radio source and...
  • Publication
    Back to the Lithium Plateau with the [Fe/H] < -6 Star J0023+0307
    We present an analysis of the Ultraviolet and Visual Echelle Spectrograph (UVES) high-resolution spectroscopic observations at the 8.2 m Very Large Telescope of...
  • Publication
    BAM: bias assignment method to generate mock catalogues
    We present BAM: a novel Bias Assignment Method envisaged to generate mock catalogues. Combining the statistics of dark matter tracers from a high-resolution...
  • Publication
    Baryon effects on the internal structure of ΛCDM haloes in the EAGLE simulations
    We investigate the internal structure and density profiles of haloes of mass 1010-1014 M⊙ in the Evolution and Assembly of Galaxies and their Environment (EAGLE...
  • Publication
    Bayesian cosmic density field inference from redshift space dark matter maps
    We present a self-consistent Bayesian formalism to sample the primordial density fields compatible with a set of dark matter density tracers after a cosmic...