Astrofísicas: Técnicas

  • Publicación
    The Gaia-ESO Survey: Calibrating the lithium-age relation with open clusters and associations. II. Expanded cluster sample and final membership selection
    Context. The Li abundance observed in pre-main sequence and main sequence late-type stars is strongly age-dependent, but also shows a complex pattern depending...
  • Publicación
    The Gaia-ESO Survey: Calibration strategy
    The Gaia-ESO survey (GES) is now in its fifth and last year of observations and has produced tens of thousands of high-quality spectra of stars in all Milky Way...
  • Publicación
    The Gaia-ESO Survey: chemical signatures of rocky accretion in a young solar-type star
    It is well known that newly formed planetary systems undergo processes of orbital reconfiguration and planetary migration. As a result, planets or...
  • Publicación
    The Gaia-ESO survey: Discovery of a spatially extended low-mass population in the Vela OB2 association
    The nearby (distance ~ 350-400 pc), rich Vela OB2 association, includes γ2 Velorum, one of the most massive binaries in the solar neighbourhood and an excellent...
  • Publicación
    The Gaia-ESO Survey: Homogenisation of stellar parameters and elemental abundances
    The Gaia-ESO Survey is a public spectroscopic survey that targeted ≳10 5 stars covering all major components of the Milky Way from the end of 2011 to 2018...
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    The Gaia-ESO Survey: Metallicity of the Chamaeleon I star-forming region
    Context. Recent metallicity determinations in young open clusters and star-forming regions suggest that the latter may be characterized by a slightly lower...
  • Publicación
    The Gaia-ESO Survey: processing FLAMES-UVES spectra
    The Gaia-ESO Survey is a large public spectroscopic survey that aims to derive radial velocities and fundamental parameters of about 105 Milky Way stars in the...
  • Publicación
    The Gaia-ESO Survey: The analysis of the hot-star spectra
    Context. The Gaia-ESO Survey (GES) is a large public spectroscopic survey that has collected, over a period of six years, spectra of ~10 5 stars. This survey...
  • Publicación
    The Gaia-ESO Survey: the chemical structure of the Galactic discs from the first internal data release
    Aims: Until recently, most high-resolution spectroscopic studies of the Galactic thin and thick discs were mostly confined to objects in the solar vicinity...