Astrofísicas: Grupo local

  • Publicación
    The planetary nebula population of M 33 as seen with J-PLUS photometry
    In this pilot study, we investigate the known PN population in M 33, a nearby spiral galaxy, at a distance of ≍ 840 kpc, using data from the DR3 of the...
  • Publicación
    The Pristine dwarf galaxy survey - IV. Probing the outskirts of the dwarf galaxy Boötes I
    We present a new spectroscopic study of the dwarf galaxy Boötes I (Boo I) with data from the Anglo-Australian Telescope and its AAOmega spectrograph together...
  • Publicación
    The Pristine dwarf galaxy survey-V. The edges of the dwarf galaxy Hercules
    We present a new spectroscopic study of 175 stars in the vicinity of the dwarf galaxy Hercules (d ~ 132 kpc) with data from the Anglo-Australian Telescope and...
  • Publicación
    The Pristine Dwarf-Galaxy survey - II. In-depth observational study of the faint Milky Way satellite Sagittarius II
    We present an extensive study of the Sagittarius II (Sgr II) stellar system using MegaCam g and i photometry, narrow-band, metallicity-sensitive calcium H&K...
  • Publicación
    The pristine dwarf-galaxy survey - III. Revealing the nature of the Milky Way globular cluster Sagittarius II
    We present a new spectroscopic study of the faint Milky Way satellite Sagittarius II. Using multiobject spectroscopy from the Fibre Large Array Multi-Element...
  • Publicación
    The Pristine Dwarf-Galaxy survey: VI. A VLT/FLAMES spectroscopic study of the dwarf galaxy Boötes II
    Aims. The Milky Way has a large population of dwarf galaxy satellites. Their properties are sensitive to both cosmology and the physical processes underlying...
  • Publicación
    The Pristine Inner Galaxy Survey (PIGS) - IV. A photometric metallicity analysis of the Sagittarius dwarf spheroidal galaxy
    We present a comprehensive metallicity analysis of the Sagittarius dwarf spheroidal galaxy (Sgr dSph) using Pristine CaHK photometry. We base our member...
  • Publicación
    The Pristine survey - III. Spectroscopic confirmation of an efficient search for extremely metal-poor stars
    The Pristine survey is a narrow-band, photometric survey focused around the wavelength region of the Ca II H&K absorption lines, designed to efficiently search...
  • Publicación
    The Pristine survey - VI. The first three years of medium-resolution follow-up spectroscopy of Pristine EMP star candidates
    We present the results of a 3-yr long, medium-resolution spectroscopic campaign aimed at identifying very metal-poor stars from candidates selected with the...