Astrofísicas: Cosmología

  • Publicación
    Beyond the 3rd moment: a practical study of using lensing convergence CDFs for cosmology with DES Y3
    Widefield surveys probe clustered scalar fields - such as galaxy counts, lensing potential, etc. - which are sensitive to different cosmological and...
  • Publicación
    Beyond the Hubble Deep Field Limiting Magnitude: Faint Galaxy Number Counts from Surface Brightness Fluctuations
    The faint end of the differential galaxy number counts n(m) in the Hubble Deep Field-North (HDF-N) has been determined for the F450W, F606W, and F814W filters...
  • Publicación
    Biases in galaxy cluster velocity dispersion and mass estimates in the small N<SUB>gal</SUB> regime
    Aims: We present a study of the statistical properties of three velocity dispersion and mass estimators: biweight, gapper, and standard deviation for a small...
  • Publicación
    BIRTH of the COSMOS field: primordial and evolved density reconstructions during cosmic high noon
    This work presents the first comprehensive study of structure formation at the peak epoch of cosmic star formation over 1.4 ≤ z ≤ 3.6 in the Cosmic Evolution...
  • Publicación
    BIRTH of the COSMOS field: primordial and evolved density reconstructions during cosmic high noon
    This work presents the first comprehensive study of structure formation at the peak epoch of cosmic star formation over 1.4 ≤ z ≤ 3.6 in the Cosmic Evolution...
  • Publicación
    Black hole-galaxy scaling relation evolution from Z̃2.5: Simulated observations with HARMONI on the ELT
    We present preliminary results on the potential of HARMONI, the first light integral field spectrograph for the ELT, to explore the evolution of central super...
  • Publicación
    BVR photometry of the Sculptor dwarf spheroidal galaxy .
    We present accurate B, V, R photometry of the Sculptor dwarf spheroidal galaxy. The data have been collected with the Wide Field Imager available at 2.2 m ESO...
  • Publicación
    BVRI Photometry of QSO 0957+561A, B: Observations, New Reduction Method, and Time Delay
    CCD observations of the gravitational lens system Q0957+561A, B in the BVRI bands are presented in this paper. The observations, taken with the 82 cm IAC-80...
  • Publicación
    Can a negative-mass cosmology explain dark matter and dark energy?
    A recent study by Farnes (2018, A&A, 620, A92) proposed an alternative cosmological model in which both dark matter and dark energy are replaced with a single...