Astrophysical: Cosmology

  • Publication
    Galaxy clusters and groups in the ALHAMBRA survey
    We present a catalogue of 348 galaxy clusters and groups with 0.2 z 1.2 selected in the 2.78 deg2 Advanced Large, Homogeneous Area Medium Band Redshift...
  • Publication
    Galaxy Counts at 24 μm in the SWIRE Fields
    This paper presents galaxy source counts at 24 μm in the six Spitzer Wide-field InfraRed Extragalactic (SWIRE) fields. The source counts are compared to counts...
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    Galaxy pairs and clusters in a lambda CDM universe: Bridging observation and simulation
    I use computer simulations to examine the evolution of close galaxy pair counts and the formation of galaxy clusters. I show that the evolution of the close...
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    Galaxy size trends as a consequence of cosmology
    We show that recently documented trends in galaxy sizes with mass and redshift can be understood in terms of the influence of underlying cosmic evolution; a...
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    Gas and dust properties in the afterglow spectra of GRB 050730
    We present early WHT ISIS optical spectroscopy of the afterglow of gamma-ray burst GRB 050730. The spectrum shows a DLA system with the highest measured...
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    Gas expulsion by quasar-driven winds as a solution to the overcooling problem in galaxy groups and clusters
    Galaxy groups are not scaled down versions of massive galaxy clusters - the hot gas in groups [known as the intragroup medium (IGrM)] is, on average, less dense...
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    Gaussian covariance matrices for anisotropic galaxy clustering measurements
    Measurements of the redshift-space galaxy clustering have been a prolific source of cosmological information in recent years. Accurate covariance estimates are...
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    GLACE survey: OSIRIS/GTC tuneable imaging of the galaxy cluster ZwCl 0024.0+1652. II. The mass-metallicity relationship and the effect of the environment
    Aims: In this paper, we revisit the data for the galaxy cluster ZwCl 0024.0+1652 provided by the GLACE survey and study the mass-metallicity function and its...
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    GOYA Survey: U and B Number Counts in the Groth-Westphal Strip
    We present U and B galaxy differential number counts from a field of ~900 arcmin2, based on GOYA Survey imaging of the HST Groth-Westphal strip. Source...