Astrophysical: Cosmology

  • Publication
    Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations
    LiteBIRD is a planned JAXA-led cosmic microwave background (CMB) B-mode satellite experiment aiming for launch in the late 2020s, with a primary goal of...
  • Publication
    Testing Einsteins Equivalence Principle and Its Cosmological Evolution from Quasar Gravitational Redshifts
    We propose and apply a new test of Einsteins equivalence principle (EEP) based on the gravitational redshift induced by the central supermassive black hole of...
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    Testing the conditional mass function of dark matter haloes against numerical N-body simulations
    We compare the predicted conditional mass function (CMF) of dark matter haloes from two theoretical prescriptions against numerical N-body simulations, both in...
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    Testing the Wavelength Dependence of Cosmological Redshift Down to Δz ∼ 10‑6
    At the core of the standard cosmological model lies the assumption that the redshift of distant galaxies is independent of photon wavelength. This invariance of...
  • Publication
    The 6Li/7Li isotopic ratio in the metal-poor binary CS22876-032
    Aims: We present high-resolution and high-quality UVES spectroscopic data of the metal-poor double-lined spectroscopic binary CS 22876-032 ([Fe/H] approximately...
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    The abundance of clustered primordial black holes from quasar microlensing
    While elementary particles are the favored candidate for the elusive dark matter, primordial black holes (PBHs) have also been considered to fill that role...
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    The AGN contribution to mid-infrared surveys. X-ray counterparts of the mid-IR sources in the Lockman Hole and HDF-N
    We provide constraints on the AGN contribution to the mid-IR extragalactic background light from a correlation analysis of deep X-ray and mid-IR observations in...
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    The ALHAMBRA Photometric System
    This paper presents the characterization of the optical range of the ALHAMBRA photometric system, a 20 contiguous, equal-width, medium-band CCD system with...
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    The Alhambra Survey: a Large Area Multimedium-Band Optical and Near-Infrared Photometric Survey
    Here we describe the first results of the Advanced Large Homogeneous Area Medium-Band Redshift Astronomical (ALHAMBRA) survey, which provides cosmic tomography...