Baryonic solutions and challenges for cosmological models of dwarf galaxies
Galaxies and their dark-matter haloes have posed several challenges to the dark energy
plus cold dark matter (Λ CDM) cosmological model. These discrepancies between …
plus cold dark matter (Λ CDM) cosmological model. These discrepancies between …
Observational constraints on stellar feedback in dwarf galaxies
Feedback to the interstellar medium from ionizing radiation, stellar winds and supernovae is
central to regulating star formation in galaxies. Owing to their low mass (< 109 solar …
central to regulating star formation in galaxies. Owing to their low mass (< 109 solar …
A galaxy lacking dark matter
P Van Dokkum, S Danieli, Y Cohen, A Merritt… - Nature, 2018 - nature.com
Studies of galaxy surveys in the context of the cold dark matter paradigm have shown that
the mass of the dark matter halo and the total stellar mass are coupled through a function …
the mass of the dark matter halo and the total stellar mass are coupled through a function …
One law to rule them all: the radial acceleration relation of galaxies
We study the link between baryons and dark matter (DM) in 240 galaxies with spatially
resolved kinematic data. Our sample spans 9 dex in stellar mass and includes all …
resolved kinematic data. Our sample spans 9 dex in stellar mass and includes all …
Be it therefore resolved: cosmological simulations of dwarf galaxies with 30 solar mass resolution
C Wheeler, PF Hopkins, AB Pace… - Monthly Notices of …, 2019 - academic.oup.com
We study a suite of extremely high-resolution cosmological Feedback in Realistic
Environments simulations of dwarf galaxies (), run to z= 0 with resolution, sufficient (for the …
Environments simulations of dwarf galaxies (), run to z= 0 with resolution, sufficient (for the …
A high stellar velocity dispersion and∼ 100 globular clusters for the ultra-diffuse galaxy Dragonfly 44
Recently a population of large, very low surface brightness, spheroidal galaxies was
identified in the Coma cluster. The apparent survival of these ultra-diffuse galaxies (UDGs) …
identified in the Coma cluster. The apparent survival of these ultra-diffuse galaxies (UDGs) …
The Local Group on FIRE: dwarf galaxy populations across a suite of hydrodynamic simulations
We present a new set of high-resolution hydrodynamic cosmological zoom-in simulations
that apply the Feedback In Realistic Environments physics to both Local Group (LG)-like and …
that apply the Feedback In Realistic Environments physics to both Local Group (LG)-like and …
Core formation in dwarf haloes with self-interacting dark matter: no fine-tuning necessary
We investigate the effect of self-interacting dark matter (SIDM) on the density profiles of V
max≃ 40km s− 1 isolated dwarf dark matter haloes–the scale of relevance for the too big to …
max≃ 40km s− 1 isolated dwarf dark matter haloes–the scale of relevance for the too big to …
The large-scale structure of the halo of the Andromeda galaxy. II. Hierarchical structure in the Pan-Andromeda Archaeological Survey
AW McConnachie, R Ibata, N Martin… - The Astrophysical …, 2018 - iopscience.iop.org
Abstract The Pan-Andromeda Archaeological Survey is a survey of> 400 square degrees
centered on the Andromeda (M31) and Triangulum (M33) galaxies that has provided the …
centered on the Andromeda (M31) and Triangulum (M33) galaxies that has provided the …
Why baryons matter: the kinematics of dwarf spheroidal satellites
AM Brooks, A Zolotov - The Astrophysical Journal, 2014 - iopscience.iop.org
We use high-resolution cosmological simulations of Milky Way (MW) mass galaxies that
include both baryons and dark matter (DM) to show that baryonic physics (energetic …
include both baryons and dark matter (DM) to show that baryonic physics (energetic …