From the bulge to the outer disc: StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys

ABA Queiroz, F Anders, C Chiappini… - Astronomy & …, 2020 - aanda.org
We combine high-resolution spectroscopic data from APOGEE-2 survey Data Release 16
(DR16) with broad-band photometric data from several sources as well as parallaxes from …

Gaia Early Data Release 3-The Galactic anticentre

T Antoja, PJ McMillan, G Kordopatis, P Ramos… - Astronomy & …, 2021 - aanda.org
Aims. We aim to demonstrate the scientific potential of the Gaia Early Data Release 3
(EDR3) for the study of different aspects of the Milky Way structure and evolution and we …

The Milky Way bar and bulge revealed by APOGEE and Gaia EDR3

ABA Queiroz, C Chiappini, A Perez-Villegas… - Astronomy & …, 2021 - aanda.org
We investigate the inner regions of the Milky Way using data from APOGEE and Gaia EDR3.
Our inner Galactic sample has more than 26 500 stars within| X Gal|< 5 kpc,| Y Gal|< 3.5 …

The last breath of the Sagittarius dSph

E Vasiliev, V Belokurov - Monthly Notices of the Royal …, 2020 - academic.oup.com
We use the astrometric and photometric data from Gaia Data Release 2 and line-of-sight
velocities from various other surveys to study the 3D structure and kinematics of the …

Multiple phase spirals suggest multiple origins in Gaia DR3

JAS Hunt, AM Price-Whelan… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT Gaia Data Release 2 revealed that the Milky Way contains significant
indications of departures from equilibrium in the form of asymmetric features in the phase …

Early formation and recent starburst activity in the nuclear disk of the Milky Way

F Nogueras-Lara, R Schödel, AT Gallego-Calvente… - Nature …, 2020 - nature.com
The nuclear disk is a dense stellar structure at the centre of the Milky Way, with a radius of~
150 pc (ref.). It has been a place of intense star formation in the past several tens of millions …

Fluctuations in galactic bar parameters due to bar–spiral interaction

T Hilmi, I Minchev, T Buck, M Martig… - Monthly Notices of …, 2020 - academic.oup.com
We study the late-time evolution of the central regions of two Milky Way (MW)-like
simulations of galaxies formed in a cosmological context, one hosting a fast bar and the …

Evidence of a dynamically evolving Galactic warp

E Poggio, R Drimmel, R Andrae, CAL Bailer-Jones… - Nature …, 2020 - nature.com
In a cosmological setting, the disk of a galaxy is expected to continuously experience
gravitational torques and perturbations from a variety of sources, which can cause the disk to …

Excitation of vertical breathing motion in disc galaxies by tidally-induced spirals in fly-by interactions

A Kumar, S Ghosh, SK Kataria, M Das… - Monthly Notices of the …, 2022 - academic.oup.com
It is now clear that the stars in the Solar neighbourhood display large-scale coherent vertical
breathing motions. At the same time, Milky Way-like galaxies experience tidal interactions …

Exploring the Sgr–Milky Way–disk Interaction Using High-resolution N-body Simulations

M Bennett, J Bovy, JAS Hunt - The Astrophysical Journal, 2022 - iopscience.iop.org
The ongoing merger of the Sagittarius (Sgr) dwarf galaxy with the Milky Way is believed to
strongly affect the dynamics of the Milky Way's disk. We present a suite of 13 N-body …