Results 41 to 50 of about 81,755 (239)
CHEMICAL CARTOGRAPHY WITH APOGEE: METALLICITY DISTRIBUTION FUNCTIONS AND THE CHEMICAL STRUCTURE OF THE MILKY WAY DISK [PDF]
, 2015 Using a sample of 69,919 red giants from the SDSS-III/APOGEE Data Release 12, we measure the distribution of stars in the [α/Fe] versus [Fe/H] plane and the metallicity distribution functions (MDFs) across an unprecedented volume of the Milky Way disk ...
M. Hayden +35 more
semanticscholar +1 more source
DETECTING THE MILKY WAY'S DARK DISK [PDF]
The Astrophysical Journal, 2009 In LambdaCDM, massive satellites are dragged into the disk-plane by dynamical friction where they dissolve into a stellar thick disk and a more massive dark matter disk. The distinctive kinematics of the dark disk matches the stars that also entered in the satellites.
Bruch, T, Read, J, Baudis, L, Lake, G
openaire +5 more sources
Is There a Disk of Satellites around the Milky Way? [PDF]
The Astrophysical Journal, 2017 Abstract The “disk of satellites” (DoS) around the Milky Way is a highly debated topic with conflicting interpretations of observations and their theoretical models. We perform a comprehensive analysis of all of the dwarfs detected in the Milky Way and find that the DoS structure depends strongly on the plane identification method and ...
Yuexing Li +4 more
openaire +5 more sources
International Astronomical Union Colloquium, 1989 A warped disk in our own galaxy is evident by means of HI, HII, γ-rays and dust observations, but unexistent when star distributions are considered, specially those of late type stars. This fact is in disagreement with the theories which assume a gravitational origin of warps, for instance a tidal interaction with the Magellanic Clouds.
E. Florido +3 more
openaire +2 more sources
THE SPATIAL STRUCTURE OF MONO-ABUNDANCE SUB-POPULATIONS OF THE MILKY WAY DISK [PDF]
, 2011 The spatial, kinematic, and elemental-abundance structure of the Milky Way's stellar disk is complex, and has been difficult to dissect with local spectroscopic or global photometric data.
J. Bovy +5 more
semanticscholar +1 more source
Metallicity Structure in the Milky Way Disk Revealed by Galactic H ii Regions [PDF]
Astrophysical Journal, 2019 The metallicity structure of the Milky Way disk stems from the chemodynamical evolutionary history of the Galaxy. We use the National Radio Astronomy Observatory Karl G.
T. Wenger +3 more
semanticscholar +1 more source
Three-dimensional Structure of the Milky Way Disk: The Distribution of Stars and Dust beyond 0.35 R☉ [PDF]
, 2001 We present a three-dimensional model for the Milky Way fitted to the far-infrared (FIR) and near-infrared (NIR) data from the COBE/DIRBE instrument for Galactic latitudes |b| < 30° and to within 20° of the Galactic center.
R. Drimmel, D. Spergel
semanticscholar +1 more source
Icarus: A Flat and Fast Prograde Stellar Stream in the Milky Way Disk [PDF]
, 2020 We explore the local volume of the Milky Way via chemical and kinematical measurements from high-quality astrometric and spectroscopic data recently released by the Gaia, APOGEE, and GALAH programs.
P. Fiorentin +3 more
semanticscholar +1 more source
Resonant Effects of a Bar on the Galactic Disk Kinematics Perpendicular to Its Plane
Galaxies, 2023 Detailed analysis of kinematics of the Milky Way disk in the solar neighborhood based on the GAIA DR3 catalog reveals the existence of peculiarities in the stellar velocity distribution perpendicular to the galactic plane.
Vladimir Korchagin +4 more
doaj +1 more source
The Vertical Displacement of the Milky Way Disk [PDF]
Proceedings of the International Astronomical Union, 2016 AbstractAn oscillating vertical displacement of the Milky Way, with a wavelength of about 8 kpc and and amplitude of about 100 pc (increasing with distance from the Galactic center) is observed towards the Galactic anticenter. These oscillations are thought to be the result of disk perturbations from dwarf satellites of the Milky Way.
Heidi Jo Newberg, Yan Xu
openaire +4 more sources