Marie Martig (MPIA, Heidelberg)

Formation histories of spiral galaxies
Wann Am 09.04.2014 von 11:00 bis 12:00
Was
  • Kolloquium
Wo SH, Hörsaal
Termin übernehmen vCal / iCal

How do spiral galaxies form? what is the relative importance of mergers, gas accretion and internal instabilities for the formation of the bulge, thin and thick disk? and can we find signatures of these formation mechanisms in present day properties of nearby galaxies and in the Milky Way? I will present a suite of 33 cosmological re-simulations following the formation and evolution of Milky Way-mass isolated galaxies from z = 5 to 0. I will first discuss how the properties of bulges are related to the merger and gas accretion histories of their host galaxies, but will also show that the fine structure of galactic disks is the most sensitive indicator of past mergers.