Astrophysical: Galaxies

  • Publication
    MOS spectroscopy of protocluster candidate galaxies at z = 6.5
    The epoch corresponding to a redshift of z ̃ 6.5 is close to full re-ionization of the Universe, and early enough to provide an intriguing environment to...
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    Most Hard-X-Ray-Selected Quasars in the Chandra Deep Fields are Obscured
    Measuring the population of obscured quasars is one of the key issues in understanding the evolution of active galactic nuclei (AGNs). With a redshift...
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    Moving groups across Galactocentric radius with Gaia DR3
    The kinematic plane of stars near the Sun has proven an indispensable tool for untangling the complexities of the structure of our Milky Way (MW). With ever...
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    MS 2053.7-0449: Confirmation of a Bimodal Mass Distribution from Strong Gravitational Lensing
    We present the first strong-lensing study of the mass distribution in the cluster MS 2053-04 based on HST archive data. This massive, X-ray luminous cluster has...
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    Multi-object spectroscopy of CL1821+643: a dynamically relaxed cluster with a giant radio halo?
    We present the study of the dynamical status of the galaxy cluster CL1821+643, a rare and intriguing cool-core cluster hosting a giant radio halo. We base our...
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    Multi-wavelength characterization of the blazar S5 0716+714 during an unprecedented outburst phase
    Context. The BL Lac object S5 0716+714, a highly variable blazar, underwent an impressive outburst in January 2015 (Phase A), followed by minor activity in...
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    Multi-wavelength landscape of the young galaxy cluster RX J1257.2+4738 at z = 0.866. I. The infrared view
    Context. Many studies have shown how galaxy properties (e.g. colours, morphology, star-forming (SF) activity, active galactic nuclei population) change not only...
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    Multi-wavelength landscape of the young galaxy cluster RXJ 1257.2+4738 at z = 0.866. II. Morphological properties
    Studying the evolution of the morphological distribution of galaxies in different environments can provide important information about the effects of the...
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    Multi-wavelength Lens Reconstruction of a Planck and Herschel-detected Star-bursting Galaxy
    We present a source-plane reconstruction of a Herschel and Planck-detected gravitationally lensed dusty star-forming galaxy (DSFG) at z = 1.68 using Hubble...