La Vía Láctea y el Grupo Local (MWLG)
  • Publicación
    Gaia DR2 reveals a very massive runaway star ejected from R136
    A previous spectroscopic study identified the very massive O2 III star VFTS 16 in the Tarantula Nebula as a runaway star based on its peculiar line-of-sight...
  • Publicación
    Gaia early DR3 systemic motions of Local Group dwarf galaxies and orbital properties with a massive Large Magellanic Cloud
    Aims: We perform a comprehensive determination of the systemic proper motions of 74 dwarf galaxies and dwarf galaxy candidates in the Local Group based on Gaia...
  • Publicación
    Gaia-DR2 extended kinematical maps . I. Method and application
    Context. The Gaia Collaboration has used Gaia-DR2 sources with six-dimensional (6D) phase space information to derive kinematical maps within 5 kpc of the Sun...
  • Publicación
    Gaia-DR2 extended kinematical maps. II. Dynamics in the Galactic disk explaining radial and vertical velocities
    Context. In our Paper I, by using statistical deconvolution methods, extended kinematics maps of Gaia-DR2 data have been produced in a range of heliocentric...
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    Gaia-DR2 extended kinematical maps. III. Rotation curves analysis, dark matter, and MOND tests
    Context. Recent statistical deconvolution methods have produced extended kinematical maps in a range of heliocentric distances that are a factor of two to three...
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    Gaia-ESO survey: Lithium abundances in open cluster Red Clump stars
    Context. It has recently been suggested that all giant stars with masses below 2 M ⊙ suffer an episode of surface lithium enrichment between the tip of the red...
  • Publicación
    Gaia-ESO survey: Massive stars in the Carina Nebula. I. A new census of OB stars
    Context. The Carina Nebula is one of the major massive star-forming regions in the Galaxy. Its relatively nearby distance (2.35 kpc) makes it an ideal...
  • Publicación
    Gaia-ESO survey: Massive stars in the Carina Nebula: II. The spectroscopic analysis of the O-star population
    Context. The new census of massive stars in the Carina Nebula reveals the presence of 54 apparently single O-type stars in the Car OB1 association, an extremely...
  • Publicación
    Galactic archaeology with asteroseismology and spectroscopy: Red giants observed by CoRoT and APOGEE
    With the advent of the space missions CoRoT and Kepler, it has recently become feasible to determine precise asteroseismic masses and relative ages for large...