Astrophysical: Galaxies

  • Publication
    Euclid preparation: LXIX. The impact of relativistic redshift-space distortions on two-point clustering statistics from the Euclid wide spectroscopic survey
    Measurements of galaxy clustering are affected by redshift-space distortions (RSDs). Peculiar velocities, gravitational lensing, and other light-cone projection...
  • Publication
    Euclid preparation: LXV. Determining the weak lensing mass accuracy and precision for galaxy clusters
    The ability to measure unbiased weak-lensing (WL) masses is a key ingredient to exploit galaxy clusters as a competitive cosmological probe with the ESA Euclid...
  • Publication
    Euclid preparation: LXVII. Deep learning true galaxy morphologies for weak lensing shear bias calibration
    To date, galaxy image simulations for weak lensing surveys usually approximate the light profiles of all galaxies as a single or double Sérsic profile...
  • Publication
    Euclid preparation: LXVIII. Extracting physical parameters from galaxies with machine learning
    The Euclid mission is generating a vast amount of imaging data in four broadband filters at a high angular resolution. This data will allow for the detailed...
  • Publication
    Euclid preparation: LXX. Forecasting detection limits for intracluster light in the Euclid Wide Survey
    The intracluster light (ICL) permeating galaxy clusters is a tracer of the cluster assembly history and potentially a tracer of their dark matter structure. In...
  • Publication
    Euclid preparation: LXXII. Three-dimensional galaxy clustering in configuration space: Two-point correlation function estimation
    The two-point correlation function of the galaxy spatial distribution is a major cosmological observable that enables constraints on the dynamics and geometry...
  • Publication
    Euclid preparation: LXXV. Estimating galaxy physical properties using CatBoost chained regressors with attention
    The Euclid Space Telescope will image about 14 000 deg 2 of the extragalactic sky at visible and near-infrared wavelengths, providing a dataset of unprecedented...
  • Publication
    Euclid preparation: XLII. A unified catalogue-level reanalysis of weak lensing by galaxy clusters in five imaging surveys
    Precise and accurate mass calibration is required to exploit galaxy clusters as astrophysical and cosmological probes in the Euclid era. Systematic errors in...
  • Publication
    Euclid preparation: XLIII. Measuring detailed galaxy morphologies for Euclid with machine learning
    The Euclid mission is expected to image millions of galaxies at high resolution, providing an extensive dataset with which to study galaxy evolution. Because...