Astrophysical: Local Group

  • Publication
    The Extensive Age Gradient of the Carina Dwarf Galaxy
    The evolution of small systems such as dwarf spheroidal galaxies (dSphs) is likely to have been a balance between external environmental effects and internal...
  • Publication
    The extremely low-metallicity tail of the Sculptor dwarf spheroidal galaxy
    We present abundances for seven stars in the (extremely) low-metallicity tail of the Sculptor dwarf spheroidal galaxy, from spectra taken with X-shooter on the...
  • Publication
    The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. I. Survey Overview and First Results for Andromeda I
    An optical monitoring survey in nearby dwarf galaxies was carried out with the 2.5 m Isaac Newton Telescope. Fifty-five dwarf galaxies and four isolated...
  • Publication
    The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. VI. The Star Formation History and Dust Production in Andromeda IX
    We present a photometric study of the resolved stellar populations in Andromeda IX (And IX), the closest satellite to M31, a metal-poor and low-mass dwarf...
  • Publication
    The ISLANDS Project. I. Andromeda XVI, An Extremely Low Mass Galaxy Not Quenched by Reionization
    Based on data aquired in 13 orbits of Hubble Space Telescope time, we present a detailed evolutionary history of the M31 dSph satellite Andromeda XVI, including...
  • Publication
    The Kinematic Status and Mass Content of the Sculptor Dwarf Spheroidal Galaxy
    We present VLT FLAMES spectroscopic observations (R~6500) in the Ca II triplet region for 470 probable kinematic members of the Sculptor (Scl) dwarf spheroidal...
  • Publication
    The Lazy Giants: APOGEE Abundances Reveal Low Star Formation Efficiencies in the Magellanic Clouds
    We report the first APOGEE metallicities and α-element abundances measured for 3600 red giant stars spanning a large radial range of both the Large (LMC) and...
  • News
    The Local Group as a benchmark for Galaxy Evolution, on IAC Winter School
    La XXXIV Canary Islands Winter School of Astrophysics, organizada por el Instituto de Astrofísica de Canarias (IAC) y la Universidad de La Laguna (ULL), tendrá...
  • Publication
    The Local Group Dwarf Irregular Galaxy NGC 6822: new insight on its star formation history .
    We present a new photometric analysis of the Local Group Dwarf Irregular Galaxy NGC 6822 based on archival Hubble Space Telescope Advanced Camera for Surveys...