Astrophysical: Methods

  • Publication
    Euclid: Early Release Observations ─ Interplay between dwarf galaxies and their globular clusters in the Perseus galaxy cluster
    We present an analysis of globular clusters (GCs) of dwarf galaxies in the Perseus galaxy cluster that explores the relationship between dwarf galaxy properties...
  • Publication
    Euclid: Forecasts from redshift-space distortions and the Alcock-Paczynski test with cosmic voids
    Euclid is poised to survey galaxies across a cosmological volume of unprecedented size, providing observations of more than a billion objects distributed over a...
  • Publication
    Euclid: II. The VIS instrument
    This paper presents the specification, design, and development of the Visible Camera (VIS) on the European Space Agency's Euclid mission. VIS is a large optical...
  • Publication
    Euclid: Improving the efficiency of weak lensing shear bias calibration. Pixel noise cancellation and the response method on trial
    To obtain an accurate cosmological inference from upcoming weak lensing surveys such as the one conducted by Euclid, the shear measurement requires calibration...
  • Publication
    Euclid: Photometric redshift calibration performance with the clustering-redshifts technique in the Flagship 2 simulation
    Aims. The precision of cosmological constraints from imaging surveys hinges on an accurately estimated redshift distribution n(z) of the tomographic bins...
  • Publication
    Euclid: Searches for strong gravitational lenses using convolutional neural nets in Early Release Observations of the Perseus field
    The Euclid Wide Survey (EWS) is predicted to find approximately 170 000 galaxy-galaxy strong lenses from its lifetime observation of 14 000 deg 2 of the sky...
  • Publication
    Euclid: Testing photometric selection of emission-line galaxy targets
    Multi-object spectroscopic galaxy surveys typically make use of photometric and colour criteria to select their targets. That is not the case of Euclid, which...
  • Publication
    Euclid: The Early Release Observations Lens Search Experiment
    We investigated the ability of the Euclid telescope to detect galaxy-scale gravitational lenses. To do so, we performed a systematic visual inspection of the 0...
  • Publication
    Eulerian Perturbative Approximations in Planar Symmetry
    In planar symmetry (one-dimensional peculiar motions), using the Eulerian perturbative framework and an arbitrary initial profile, we compute the analytical...