Astrofísicas: Poblaciones estelares

  • Charla
    Multiple Stellar Populations & Horizontal Branch Stars in Galactic Globular Clusters: firm evidence, (apparent) anomalies and current shortcomings
    Since the early 50' of last century the study of Horizontal Branch stars in Galactic GCs has been of pivotal relevance since the core He-burning stage is an...
  • Charla
    Multiple Stellar Populations in Galactic Globular Clusters: updated empirical evidence and the theoretical framework
    In recent years accurate photometric and spectroscopic observations have provided sound evidence that Galactic Globular Clusters can not be longer considered...
  • Publicación
    On the Dwarf Irregular Galaxy NGC 6822. I. Young, Intermediate, and Old Stellar Populations
    We present accurate and deep multiband (g, r, i) photometry of the Local Group dwarf irregular galaxy NGC 6822. The images were collected with wide-field...
  • Publicación
    On the occurrence of tidal tails in the Carina dSph
    Wide field B,V photometry of the outer regions of the Carina dwarf spheroidal galaxy is presented. Six fields were observed to a distance from the centre up to...
  • Charla
    Past and Present of Dwarf Galaxies in Clusters
    Dwarf galaxies are a complex population. They comprise objects with young and old stellar populations, slow and fast rotation, as well as single- and multi...
  • Publicación
    Recovering Age-Metallicity Distributions from Integrated Spectra: Validation with MUSE Data of a Nearby Nuclear Star Cluster
    Current instruments and spectral analysis programs are now able to decompose the integrated spectrum of a stellar system into distributions of ages and...
  • Charla
    Shedding light on the darkest galaxies: the Local Group dwarfs
    Crucial issues in cosmology and astrophysics are to understand the process of galaxy formation and evolution and the nature of what appears to be the dominant...
  • Publicación
    Síntesis evolutiva de poblaciones estelares en galaxias espirales.
    Not Available
  • Charla
    Spectral Energy Distributions of Single Stellar Populations in the Infrared range
    The present work shows the Spectral Energy Distributions (SEDs) in the near-infrared using the IRTF stellar library obtained using the models based on the...