Devouring the Milky Way Satellites: Modeling Dwarf Galaxies with Galacticus

Dwarf galaxies are ubiquitous throughout the universe and extremely sensitive to various forms of internal external feedback. Over last two decades, census dwarf in Local Group beyond has increased markedly. While hydrodynamic simulations (e.g. FIRE II, MINT Justice League) have reproduced observed properties down ultra-faints, such require extensive computational resources run. In this work, we constrain standard physical implementations semi-analytic model Galacticus reproduce Milky Way satellites ultra-faint dwarfs found SDSS. We run on merger trees from our high-resolution N-body simulation a analog. determine best-fit parameters by matching cumulative luminosity function luminosity-metallicity relation both observations simulations. With correct parameters, physics can dwarfs. addition, find multi-dimensional match with half-light radii, velocity dispersions mass-to-light ratios at z = 0 M_V <= -6 (L >= 10^4 L_solar). addition successfully reproducing satellite population, modeled star formation histories which consistent those