Stellar dynamics and dark matter in Local Group dwarf galaxies

G Battaglia, C Nipoti - Nature Astronomy, 2022 - nature.com
When interpreted within the standard framework of Newtonian gravity and dynamics, the
kinematics of stars and gas in dwarf galaxies reveals that most of these systems are …

The effect of the LMC on the Milky Way system

E Vasiliev - Galaxies, 2023 - mdpi.com
We review the recent theoretical and observational developments concerning the interaction
of the Large Magellanic Cloud (LMC) with the Milky Way and its neighbourhood. An …

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 …

Gaia early DR3 systemic motions of Local Group dwarf galaxies and orbital properties with a massive Large Magellanic Cloud

G Battaglia, S Taibi, GF Thomas, TK Fritz - Astronomy & Astrophysics, 2022 - aanda.org
Aims. We perform a comprehensive determination of the systemic proper motions of 74
dwarf galaxies and dwarf galaxy candidates in the Local Group based on Gaia early data …

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 …

Gaia Early Data Release 3-Acceleration of the solar system from Gaia astrometry

SA Klioner, F Mignard, L Lindegren, U Bastian… - Astronomy & …, 2021 - aanda.org
Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6
million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quality …

Detection of the Milky Way reflex motion due to the Large Magellanic Cloud infall

MS Petersen, J Penarrubia - Nature Astronomy, 2021 - nature.com
Abstract The Large Magellanic Cloud is the most massive satellite galaxy of the Milky Way,
with an estimated mass exceeding a tenth of the mass of the Milky Way,,,–. Just past its …

Joint constraints on thermal relic dark matter from strong gravitational lensing, the Ly α forest, and Milky Way satellites

W Enzi, R Murgia, O Newton, S Vegetti… - Monthly Notices of …, 2021 - academic.oup.com
We derive joint constraints on the warm dark matter (WDM) half-mode scale by combining
the analyses of a selection of astrophysical probes: strong gravitational lensing with …

Extinguishing the FIRE: environmental quenching of satellite galaxies around Milky Way-mass hosts in simulations

J Samuel, A Wetzel, I Santistevan… - Monthly Notices of …, 2022 - academic.oup.com
The star formation and gas content of satellite galaxies around the Milky Way (MW) and
Andromeda (M31) are depleted relative to more isolated galaxies in the Local Group (LG) at …

Gaia EDR3 proper motions of Milky Way dwarfs. I. 3D motions and orbits

H Li, F Hammer, C Babusiaux… - The Astrophysical …, 2021 - iopscience.iop.org
Abstract Based on Gaia Early Data Release 3 (EDR3), we estimate the proper motions of 46
dwarf galaxies of the Milky Way (MW). The uncertainties in proper motions, determined by …