Astrophysical: Dwarf galaxies

  • Talk
    Simulating cosmic reionization
    The first galaxies are thought to have started the reionization of the Universe, that is the transformation of the cosmic hydrogen from its initial neutral to...
  • News
    Solved: the mystery of how dark matter in galaxies is distributed
    The gravitational force in the Universe under which it has evolved from a state almost uniform at the Big Bang until now, when matter is concentrated in...
  • Publication
    Star Formation Histories of Ultra-faint Dwarf Galaxies: Environmental Differences between Magellanic and Non-Magellanic Satellites?
    We present the color-magnitude diagrams and star formation histories (SFHs) of seven ultra-faint dwarf galaxies: Horologium 1, Hydra 2, Phoenix 2, Reticulum 2...
  • Talk
    Star formation modes and population gradients in simulated dwarf galaxies
    Today we largely understand the large scale evolution of the Universe but we have only little knowledge of the small scale physics involved in forming and...
  • Talk
    Tales from the Milky Way's dwarf galaxies
    The immediate surroundings of our Milky Way galaxy are home to a number of dwarf galaxies, whose variety in shape, size, spatial location and velocity tells us...
  • Publication
    The distance to the Pegasus Dwarf Irregular Galaxy: an open question
    The distance of the Pegasus Dwarf Irregular Galaxy is discussed in the light of new, deep photometry of the resolved stars taken in the bands V, R, and I of the...
  • Talk
    The emergence of Low Surface Brightness Galaxies
    Low Surface Brightness galaxies are extremely dark matter dominated, faint objects hardly distinguishable from the night sky. In the last decade it has became...
  • Publication
    The Fast X-Ray Transient XRT 210423 and Its Host Galaxy
    Fast X-ray Transients (FXTs) are X-ray flares with durations ranging from a few hundred seconds to a few hours. Possible origins include the tidal disruption of...
  • Talk
    The Impact of Dwarf-Dwarf Galaxy Tidal Interactions
    Two competing effects appear to govern galaxy multiplicity (pairs orgroups) at low masses: while associations of low-mass haloes are naturally expected in a...