Star formation histories of dwarf galaxies in the FIRE simulations: dependence on mass and Local Group environment

Article, Preprint English OPEN
Garrison-Kimmel, Shea; Wetzel, Andrew; Hopkins, Philip F.; Sanderson, Robyn; El-Badry, Kareem; Graus, Andrew; Chan, T. K.; Feldmann, Robert; Boylan-Kolchin, Michael; Hayward, Christopher C.; Bullock, James S.; Fitts, Alex; Samuel, Jenna; Wheeler, Coral; Kereš, Dušan; Faucher-Giguère, Claude-André;
  • Publisher: Royal Astronomical Society
  • Identifiers: doi: 10.1093/mnras/stz2507
  • Subject: Astrophysics - Astrophysics of Galaxies
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

We study star formation histories (SFHs) of $\simeq500$ dwarf galaxies (stellar mass $M_\ast = 10^5 - 10^9\,M_\odot$) from FIRE-2 cosmological zoom-in simulations. We compare dwarfs around individual Milky Way (MW)-mass galaxies, dwarfs in Local Group (LG)-like environm... View more