Astrophysical: Cosmology

  • Publication
    IMPZ: a new photometric redshift code for galaxies and quasars
    We present a combined galaxy-quasar approach to template-fitting photometric redshift techniques and show the method to be a powerful one. The code (IMPZ) is...
  • Publication
    Influence of baryons on the orbital structure of dark matter haloes
    We explore the dynamical signatures imprinted by baryons on dark matter haloes during the formation process using the OverWhelmingly Large Simulations (OWLS), a...
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    Infrared Space Observatory Investigates the Nature of Extremely Red Hard X-Ray Sources Responsible for the X-Ray Background
    We analyze very deep X-ray and mid-IR surveys in common areas of the Lockman Hole and the Hubble Deep Field-North (HDF-N) to study the sources of the X-ray...
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    Internal dynamics of the massive cluster Abell 697: a multiwavelength analysis
    Aims.We conduct an intensive study of the rich, X-ray luminous, and hot galaxy cluster Abell 697 (at z=0.282), likely containing a diffuse radio-emission, to...
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    Internal dynamics of the radio halo cluster Abell 773: a multiwavelength analysis
    Aims:To conduct an intensive study of the rich, X-ray luminous galaxy cluster Abell 773 at z = 0.22 containing a diffuse radio halo to determine its dynamical...
  • Publication
    Internal dynamics of the radio-halo cluster A2219: A multi-wavelength analysis
    We present the results of the dynamical analysis of the rich, hot, and X-ray very luminous galaxy cluster A2219, containing a powerful diffuse radio-halo. Our...
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    ion{H}{i} study of the warped spiral galaxy NGC 5055: a disk/dark matter halo offset?
    We present a study of the ion{H}{i} distribution and dynamics of the nearby spiral galaxy NGC 5055 based on observations with the Westerbork Synthesis Radio...
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    JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology
    An unprecedented array of new observational capabilities are starting to yield key constraints on models of the epoch of first light in the Universe. In this...
  • Publication
    JWST Photometric Time-delay and Magnification Measurements for the Triply Imaged Type Ia "SN H0pe" at z = 1.78
    Supernova (SN) SN H0pe is a gravitationally lensed, triply imaged, Type Ia SN (SN Ia) discovered in James Webb Space Telescope imaging of the PLCK G165.7+67.0...