Journal: Astronomy and Astrophysics

  • Publication
    Gaia-assisted selection of a quasar reddened by dust in an extremely strong damped Lyman-α absorber at z = 2.226
    Damped Lyman-α absorbers (DLAs) as a class of quasi-stellar object (QSO) absorption-line systems are currently our most important source of detailed information...
  • Publication
    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...
  • Publication
    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...
  • Publication
    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...
  • Publication
    Gaia-ESO Survey: Analysis of pre-main sequence stellar spectra
    Context. The Gaia-ESO Public Spectroscopic Survey is obtaining high-quality spectroscopy of some 100 000 Milky Way stars using the FLAMES spectrograph at the...
  • Publication
    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...
  • Publication
    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...
  • Publication
    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...
  • Publication
    Galactic cirri in deep optical imaging
    The ubiquitous presence of Galactic cirri in deep optical images represents a major obstacle to study the low surface brightness features of extragalactic...