Results 31 to 40 of about 155,710 (341)
Chemodynamical Analysis of Metal-rich High-eccentricity Stars in the Milky Way's Disk
The Astrophysical Journal, 2023 We present a chemodynamical analysis of 11,562 metal-rich, high-eccentricity halo-like main-sequence stars, which have been referred to as the Splash or Splashed Disk, selected from the Sloan Digital Sky Survey and Large Sky Area Multi-Object Fiber ...
Ayeon Lee +4 more
doaj +1 more source
Chemical evolution of fluorine in the Milky Way
Monthly Notices of the Royal Astronomical Society, 2022 ABSTRACT Fluorine has many different potential sites and channels of production, making narrowing down a dominant site of fluorine production particularly challenging. In this work, we investigate which sources are the dominant contributors to the galactic fluorine by comparing chemical evolution models to observations of fluorine ...
Kate A Womack +7 more
openaire +3 more sources
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
GAIA: origin and evolution of the Milky Way [PDF]
SPIE Proceedings, 1998 Proc SPIE Conference 3350, March 1998 (in press) Astronomical Interferometry (latex, uses spie.sty)
Gilmore, G. +9 more
openaire +3 more sources
The Astrophysical Journal, 2023 We continue our series of papers on phase-space distributions of stars in the Milky Way based on photometrically derived metallicities and Gaia astrometry, with a focus on the halo−disk interface in the local volume.
Deokkeun An +3 more
doaj +1 more source
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
Chemodynamical Evolution of the Milky Way [PDF]
Symposium - International Astronomical Union, 2003 We simulate the chemodynamical evolution of the Milky Way using our GRAPE-SPH code, and reproduce the age-metallicity relation, the [O/Fe]-[Fe/H] relation, and the metallicity distribution.
Ken'ichi Nomoto +2 more
openaire +2 more sources
Strong Dark Matter Self-interactions Diversify Halo Populations within and surrounding the Milky Way [PDF]
Astrophysical Journal, 2022 We perform a high-resolution cosmological zoom-in simulation of a Milky Way (MW)–like system, which includes a realistic Large Magellanic Cloud analog, using a large differential elastic dark matter self-interaction cross section that reaches ≈100 cm2 g ...
Daneng Yang, E. Nadler, Hai-Bo Yu
semanticscholar +1 more source
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
The chemical evolution of the Milky Way [PDF]
Proceedings of Frontier Research in Astrophysics – II — PoS(FRAPWS2016), 2017 10 pages, 6 figures, in Frontier Research in Astrophysics - II 23-28 May 2016 Mondello (Palermo ...
Donatella Romano +3 more
openaire +6 more sources