Astrophysical: Cosmology

  • Publication
    Validation of the DESI DR2 <inline-formula><mml:math><mml:mi>Ly</mml:mi><mml:mi>α</mml:mi></mml:math></inline-formula> BAO analysis using synthetic datasets
    The second data release (DR2) of the Dark Energy Spectroscopic Instrument (DESI), containing data from the first three years of observations, doubles the number...
  • Publication
    Validation of the DESI DR2 measurements of baryon acoustic oscillations from galaxies and quasars
    The Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2) galaxy and quasar clustering data represents a significant expansion of data from Data...
  • Publication
    Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument
    The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg 2 over 5 yr to constrain the cosmic expansion history...
  • Publication
    Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument
    The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg 2 over 5 yr to constrain the cosmic expansion history...
  • Publication
    Very high redshift quasars and the rapid emergence of supermassive black holes
    The observation of quasars at very high redshift such as Pōniuā'ena is a challenge for models of supermassive black hole (SMBH) formation. This work presents a...
  • Publication
    Very Large Telescope-ISAAC Near-Infrared Spectroscopy of ISO-selected Hubble Deep Field South Galaxies
    We report the results of near-infrared Very Large Telescope (VLT)-Infrared Spectrometer and Array Camera (ISAAC) spectroscopy of a sample of 12 galaxies at z=0...
  • Publication
    Very Small Array observations of the Sunyaev-Zel'dovich effect in nearby galaxy clusters
    We present Very Small Array (VSA) observations (centred on ~34 GHz) on scales ~20 arcmin towards a complete, X-ray flux-limited sample of seven clusters at...
  • Publication
    VLBI imaging of the gravitational lens MG J0414+0534
    We observed the quadruple gravitationally lensed image of MG J0414+0534 on 23 November 1997 with a global VLBI array at 8.4 GHz. We report wide-field imaging...
  • Publication
    Void Statistics in Large Galaxy Redshift Surveys: Does Halo Occupation of Field Galaxies Depend on Environment?
    We use measurements of the projected galaxy correlation function wp(rp) and galaxy void statistics to test whether the galaxy content of halos of fixed mass is...