Lines of research: The Milky Way and the Local Group (MWLG)

The Milky Way and the Local Group (MWLG)
  • Publication
    The Hubble Space TelescopeUV Legacy Survey of Galactic Globular Clusters - V. Constraints on formation scenarios
    We build on the evidence provided by our Legacy Survey of Galactic globular clusters (GC) to submit to a crucial test four scenarios currently entertained for...
  • Publication
    The IACOB project. IX. Building a modern empirical database of Galactic O9 - B9 supergiants: Sample selection, description, and completeness
    Context. Blue supergiants (BSGs) are key objects for studying the intermediate phases of massive star evolution because they are very useful to constrain...
  • Publication
    The IACOB project. V. Spectroscopic parameters of the O-type stars in the modern grid of standards for spectral classification
    Context. The IACOB and OWN surveys are two ambitious, complementary observational projects which have made available a large multi-epoch spectroscopic database...
  • Publication
    The IACOB project. VI. On the elusive detection of massive O-type stars close to the ZAMS
    Context. The apparent lack of massive O-type stars near the zero-age main sequence, or ZAMS (at ages <2 Myr), is a topic that has been widely discussed in the...
  • Publication
    The IACOB project. VII. The rotational properties of Galactic massive O-type stars revisited
    Context. Stellar rotation is of key importance in the formation process, the evolution, and the final fate of massive stars. Aims: We perform a reassessment of...
  • Publication
    The IACOB project. VIII. Searching for empirical signatures of binarity in fast-rotating O-type stars
    Context. The empirical distribution of projected rotational velocities (v sin i) in massive O-type stars is characterised by a dominant slow velocity component...
  • Publication
    The Impact of Enhanced He and CNONa Abundances on Globular Cluster Relative Age-Dating Methods
    The impact that unrecognized differences in the chemical patterns of Galactic globular clusters (GGCs) have on their relative age determinations is studied. The...
  • Publication
    The impact of strong recombination on temperature determination in planetary nebulae
    The long-standing difference in chemical abundances determined from optical recombination lines and collisionally excited lines raises questions about our...
  • Publication
    The impact of two massive early accretion events in a Milky Way-like galaxy: repercussions for the buildup of the stellar disc and halo
    We identify and characterize a Milky Way-like realization from the Auriga simulations with two consecutive massive mergers $\sim 2$ Gyr apart at high redshift...