Astrofísicas: Evolución estelar

  • Publicación
    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...
  • Publicación
    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...
  • Charla
    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...
  • Charla
    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...
  • Publicación
    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...
  • Charla
    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...
  • Charla
    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...
  • Charla
    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...
  • Publicación
    Incompressibility of hot nuclear matter and general relativistic stellar collapse
    We have made a series of hydrodynamic calculations of core collapsing models to examine the effects of temperature dependence of nuclear compressibility. With...