Baryonic solutions and challenges for cosmological models of dwarf galaxies

LV Sales, A Wetzel, A Fattahi - Nature Astronomy, 2022 - nature.com
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 …

The Exploration of Local VolumE Satellites (ELVES) Survey: A Nearly Volume-limited Sample of Nearby Dwarf Satellite Systems

SG Carlsten, JE Greene, RL Beaton… - The Astrophysical …, 2022 - iopscience.iop.org
We present the final sample of the Exploration of Local VolumE Satellites (ELVES) survey, a
survey of the dwarf satellites of a nearly volume-limited sample of Milky Way (MW)− like …

Proper motions, orbits, and tidal influences of milky way dwarf spheroidal galaxies

AB Pace, D Erkal, TS Li - The Astrophysical Journal, 2022 - iopscience.iop.org
We combine Gaia early data release 3 astrometry with accurate photometry and utilize a
probabilistic mixture model to measure the systemic proper motion of 52 dwarf spheroidal …

DELVE 6: An Ancient, Ultra-faint Star Cluster on the Outskirts of the Magellanic Clouds

W Cerny, A Drlica-Wagner, TS Li… - The Astrophysical …, 2023 - iopscience.iop.org
We present the discovery of DELVE 6, an ultra-faint stellar system identified in the second
data release of the DECam Local Volume Exploration (DELVE) survey. Based on a …

The Hubble space telescope survey of M31 Satellite Galaxies. I. RR Lyrae–based distances and refined 3D geometric structure

A Savino, DR Weisz, ED Skillman… - The Astrophysical …, 2022 - iopscience.iop.org
We measure homogeneous distances to M31 and 38 associated stellar systems (− 16.8≤
MV≤− 6.0), using time-series observations of RR Lyrae stars taken as part of the Hubble …

Resolved Dwarf Galaxy Searches within∼ 5 Mpc with the Vera Rubin Observatory and Subaru Hyper Suprime-Cam

B Mutlu-Pakdil, DJ Sand, D Crnojević… - The Astrophysical …, 2021 - iopscience.iop.org
We present a preview of the faint dwarf galaxy discoveries that will be possible with the Vera
C. Rubin Observatory and Subaru Hyper Suprime-Cam in the next decade. In this work, we …

Streams on FIRE: Populations of Detectable Stellar Streams in the Milky Way and FIRE

N Shipp, N Panithanpaisal, L Necib… - The Astrophysical …, 2023 - iopscience.iop.org
We present the first detailed comparison of populations of dwarf galaxy stellar streams in
cosmological simulations and the Milky Way. In particular, we compare streams identified …

Stars on the edge: Galactic tides and the outskirts of the Sculptor dwarf spheroidal

F Sestito, J Roediger, JF Navarro… - Monthly Notices of …, 2023 - academic.oup.com
The formation of 'stellar haloes' in dwarf galaxies have been discussed in terms of early
mergers or Galactic tides, although fluctuations in the gravitational potential due to stellar …

Pegasus IV: Discovery and spectroscopic confirmation of an ultra-faint dwarf galaxy in the constellation Pegasus

W Cerny, JD Simon, TS Li… - The Astrophysical …, 2023 - iopscience.iop.org
Pegasus IV: Discovery and Spectroscopic Confirmation of an Ultra-faint Dwarf Galaxy in the
Constellation Pegasus - IOPscience This site uses cookies. By continuing to use this site you …

EDGE: The direct link between mass growth history and the extended stellar haloes of the faintest dwarf galaxies

A Goater, JI Read, NED Noël… - Monthly Notices of …, 2024 - academic.oup.com
Ultra-faint dwarf galaxies (UFDs) are commonly found in close proximity to the Milky Way
and other massive spiral galaxies. As such, their projected stellar ellipticity and extended …