Forged in fire: cusps, cores and baryons in low-mass dwarf galaxies
We present multiple ultrahigh resolution cosmological hydrodynamic simulations of M⋆≃
104–6.3 Mȯ dwarf galaxies that form within two M vir= 109.5–10 Mȯ dark matter halo initial …
104–6.3 Mȯ dwarf galaxies that form within two M vir= 109.5–10 Mȯ dark matter halo initial …
Dark matter cores all the way down
We use high-resolution simulations of isolated dwarf galaxies to study the physics of dark
matter cusp-core transformations at the edge of galaxy formation: M 200= 107–109 M⊙. We …
matter cusp-core transformations at the edge of galaxy formation: M 200= 107–109 M⊙. We …
The hidden giant: discovery of an enormous Galactic dwarf satellite in Gaia DR2
We report the discovery of a Milky Way satellite in the constellation of Antlia. The Antlia 2
dwarf galaxy is located behind the Galactic disc at a latitude of b∼ 11° and spans 1.26° …
dwarf galaxy is located behind the Galactic disc at a latitude of b∼ 11° and spans 1.26° …
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 …
Systematically Measuring Ultra-diffuse Galaxies (SMUDGes). V. The Complete SMUDGes Catalog and the Nature of Ultradiffuse Galaxies
We present the completed catalog of ultradiffuse galaxy (UDG) candidates (7070 objects)
from our search of the DR9 Legacy Survey images, including distance and total mass …
from our search of the DR9 Legacy Survey images, including distance and total mass …
Extending the globular cluster system–halo mass relation to the lowest galaxy masses
High-mass galaxies, with halo masses, reveal a remarkable near-linear relation between
their globular cluster (GC) system mass and their host galaxy halo mass. Extending this …
their globular cluster (GC) system mass and their host galaxy halo mass. Extending this …
Contributions to the accreted stellar halo: an atlas of stellar deposition
NC Amorisco - Monthly Notices of the Royal Astronomical …, 2017 - academic.oup.com
The accreted component of stellar haloes is composed of the contributions of several
satellites, falling on to their host with their different masses, at different times, on different …
satellites, falling on to their host with their different masses, at different times, on different …
Ultra-light dark matter in ultra-faint dwarf galaxies
E Calabrese, DN Spergel - Monthly Notices of the Royal …, 2016 - academic.oup.com
Abstract Cold Dark Matter (CDM) models struggle to match the observations at galactic
scales. The tension can be reduced either by dramatic baryonic feedback effects or by …
scales. The tension can be reduced either by dramatic baryonic feedback effects or by …
Crater 2: An extremely cold dark matter halo
N Caldwell, MG Walker, M Mateo… - The Astrophysical …, 2017 - iopscience.iop.org
We present results from MMT/Hectochelle spectroscopy of 390 red giant candidate stars
along the line of sight to the recently discovered Galactic satellite Crater 2. Modeling the joint …
along the line of sight to the recently discovered Galactic satellite Crater 2. Modeling the joint …
Search for gamma-ray emission from DES dwarf spheroidal galaxy candidates with Fermi-LAT data
A Drlica-Wagner, A Albert, K Bechtol… - The Astrophysical …, 2015 - iopscience.iop.org
Due to their proximity, high dark-matter (DM) content, and apparent absence of non-thermal
processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for …
processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for …