Astrophysical: Stellar evolution

  • Publication
    Extreme nitrogen enrichment in the asymmetrical planetary nebulae M1-75
    In the framework of the morphological survey of northern sky planetary nebulae, in progress at the IAC we investigate in detail those nebulae that show...
  • Publication
    Full Abundance Study of Two Newly Discovered Barium Giants
    Barium (Ba) stars are chemically peculiar stars that show enhanced surface abundances of heavy elements produced by the slow-neutron-capture process, the so...
  • Talk
    Galactic Globular Clusters: Why should we care about them?
    Galactic globular clusters have always been at the crossroad of several investigations in both Stellar and Galactic Astrophysics. For long time, they have been...
  • Talk
    Hertzsprung-Russell Diagram: from massive Wolf-Rayet stars to stripped helium stars
    "Classical Wolf-Rayet (WR) stars" represent a class of hot, hydrogen-depleted stars wtih powerful stellar winds and are prominent progenitors of black holes...
  • Publication
    High resolution spectroscopy of central stars of planetary nebulae. I - Basic atmospheric parameters and their interpretation
    The authors have obtained high-resolution spectrograms of H-rich central stars of planetary nebulae (CSPN) with the 3.6 m telescope and Cassegrain echelle...
  • Talk
    How binary stripping affects the late evolution, death, and afterlife of massive stars
    Gravitational-wave observations have revealed the population of stellar remnants from a new angle. Yet their stellar progenitors remain uncertain, in particular...
  • Talk
    IAU G5 -- The GALAH survey: science goals and highlights to date
    The field of Galactic archaeology has been very active in recent years, with a major influx of data from the Gaia satellite and large spectroscopic surveys. The...
  • Talk
    IAU G5 Talk: Winds of Magnetic Massive Stars
    Massive stars (at least eight times as massive as the Sun) possess strong stellar winds driven by radiation. With the advent of the so called MiMeS...
  • Talk
    IAU G5: "Extreme Precision Stellar Spectroscopy"
    The new generation of spectrometers designed for extreme precision radial velocities enable correspondingly precise stellar spectroscopy. It is now fruitful to...