Modelling chemical abundance distributions for dwarf galaxies in the Local Group: the impact of turbulent metal diffusion

I Escala, A Wetzel, EN Kirby, PF Hopkins… - Monthly Notices of …, 2018 - academic.oup.com
We investigate stellar metallicity distribution functions (MDFs), including Fe and α-element
abundances, in dwarf galaxies from the Feedback in Realistic Environment (FIRE) project …

Multi-element abundance measurements from medium-resolution Spectra. III. Metallicity distributions of Milky Way dwarf satellite galaxies

EN Kirby, GA Lanfranchi, JD Simon… - The Astrophysical …, 2011 - iopscience.iop.org
We present metallicity distribution functions (MDFs) for the central regions of eight dwarf
satellite galaxies of the Milky Way: Fornax, Leo I and II, Sculptor, Sextans, Draco, Canes …

VLT/FLAMES high-resolution chemical abundances in Sculptor: a textbook dwarf spheroidal galaxy

V Hill, Á Skúladóttir, E Tolstoy, KA Venn… - Astronomy & …, 2019 - aanda.org
We present detailed chemical abundances for 99 red-giant branch stars in the centre of the
Sculptor dwarf spheroidal galaxy, which have been obtained from high-resolution …

Multi-element abundance measurements from medium-resolution spectra. IV. Alpha element distributions in Milky Way satellite galaxies

EN Kirby, JG Cohen, GH Smith… - The Astrophysical …, 2011 - iopscience.iop.org
We derive the star formation histories of eight dwarf spheroidal (dSph) Milky Way satellite
galaxies from their alpha element abundance patterns. Nearly 3000 stars from our …

The impact of modeling assumptions in galactic chemical evolution models

B Côté, BW O'Shea, C Ritter, F Herwig… - The Astrophysical …, 2017 - iopscience.iop.org
We use the OMEGA galactic chemical evolution code to investigate how the assumptions
used for the treatment of galactic inflows and outflows impact numerical predictions. The …

Ultra faint dwarfs: probing early cosmic star formation

S Salvadori, A Ferrara - Monthly Notices of the Royal …, 2009 - academic.oup.com
We investigate the nature of the newly discovered Ultra Faint dwarf spheroidal galaxies (UF
dSphs) in a general cosmological context simultaneously accounting for various …

Chemical evolution of local galaxies in a hierarchical model

F Calura, N Menci - Monthly Notices of the Royal Astronomical …, 2009 - academic.oup.com
We investigate the chemical properties of local galaxies within a cosmological framework in
the hierarchical picture of galaxy formation. To this aim, we use a hierarchical semi-analytic …

Life and times of dwarf spheroidal galaxies

S Salvadori, A Ferrara… - Monthly Notices of the …, 2008 - academic.oup.com
We propose a cosmological scenario for the formation and evolution of dwarf spheroidal
galaxies (dSphs), satellites of the Milky Way (MW). An improved version of the semi …

The distribution of alpha elements in Andromeda dwarf galaxies

LC Vargas, MC Geha, EJ Tollerud - The Astrophysical Journal, 2014 - iopscience.iop.org
We present alpha to iron abundance ratios for 226 individual red giant branch stars in nine
dwarf galaxies of the Andromeda (M31) satellite system. The abundances are measured …

A photometric and spectroscopic study of the new dwarf spheroidal galaxy in Hercules-Metallicity, velocities, and a clean list of RGB members

D Adén, S Feltzing, A Koch, MI Wilkinson… - Astronomy & …, 2009 - aanda.org
Context. Dwarf spheroidal (dSph) galaxies are the least luminous, least massive galaxies
known. Recently, the number of observed galaxies in this class has greatly increased thanks …