Life in the fast lane: a direct view of the dynamics, formation, and evolution of the Milky Way’s bar [PDF]
Monthly notices of the Royal Astronomical Society, 2019 Studies of the ages, abundances, and motions of individual stars in the Milky Way provide one of the best ways to study the evolution of disc galaxies over cosmic time.
J. Bovy +5 more
semanticscholar +1 more source
Constraints on dark matter-neutrino scattering from the Milky-Way satellites and subhalo modeling for dark acoustic oscillations [PDF]
Journal of Cosmology and Astroparticle Physics, 2023 The elastic scattering between dark matter (DM) and radiation can potentially explain small-scale observations that the cold dark matter faces as a challenge, as damping density fluctuations via dark acoustic oscillations in the early universe erases ...
K. Akita, S. Ando
semanticscholar +1 more source
Chemical evolution of the Milky Way: constraints on the formation of the thick and thin discs [PDF]
, 2020 We study the evolution of Milky Way thick and thin discs in the light of the most recent observational data. In particular, we analyze abundance gradients of O, N, Fe and Mg along the thin disc as well as the [Mg/Fe] vs.
M. Palla +4 more
semanticscholar +1 more source
Simulating Atomic Dark Matter in Milky Way Analogs [PDF]
Astrophysical Journal Letters, 2023 Dark sector theories naturally lead to multicomponent scenarios for dark matter where a subcomponent can dissipate energy through self-interactions, allowing it to efficiently cool inside galaxies.
Sandip Roy +5 more
semanticscholar +1 more source
The chemical evolution of the Milky Way [PDF]
Proceedings of Frontier Research in Astrophysics – II — PoS(FRAPWS2016), 2017 We will discuss some highlights concerning the chemical evolution of our Galaxy, the Milky Way. First we will describe the main ingredients necessary to build a model for the chemical evolution of the Milky Way. Then we will illustrate some Milky Way models which includes detailed stellar nucleosynthesis and compute the evolution of a large number of ...
Matteucci, Francesca +3 more
openaire +2 more sources
A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE [PDF]
Astrophysical Journal, 2023 We present new maps of the Milky Way disk showing the distribution of metallicity ([Fe/H]), α-element abundances ([Mg/Fe]), and stellar age, using a sample of 66,496 red giant stars from the final data release (DR17) of the Apache Point Observatory ...
J. Imig +26 more
semanticscholar +1 more source
The origin of the Milky Way globular clusters [PDF]
, 2016 We present a cosmological zoom-in simulation of a Milky Way-like galaxy used to explore the formation and evolution of star clusters. We investigate in particular the origin of the bimodality observed in the colour and metallicity of globular clusters ...
Agertz, Oscar +2 more
core +2 more sources
Dynamical evolution of a bulge in an N-body model of the Milky Way [PDF]
, 2011 The detailed dynamical structure of the bulge in the Milky Way is currently under debate. Although kinematics of the bulge stars can be well reproduced by a boxy-bulge, the possible existence of a small embedded classical bulge can not be ruled out.
Gerhard, Ortwin +2 more
core +2 more sources
The Gaia-ESO Survey: the selection function of the Milky Way field stars [PDF]
, 2016 The Gaia-ESO Survey was designed to target all major Galactic components (i.e., bulge, thin and thick discs, halo and clusters), with the goal of constraining the chemical and dynamical evolution of the Milky Way.
Bensby, T. +28 more
core +4 more sources
Estimating stellar birth radii and the time evolution of Milky Way’s ISM metallicity gradient [PDF]
Monthly notices of the Royal Astronomical Society, 2018 We present a semi-empirical, largely model-independent approach for estimating Galactic birth radii, r_birth, for Milky Way disk stars. The technique relies on the justifiable assumption that a negative radial metallicity gradient in the interstellar ...
I. Minchev +16 more
semanticscholar +1 more source