Oxygen in the Galactic thin and thick disks [PDF]
First results from a study into the abundance trends of oxygen in the Galactic thin and thick disks are presented. Oxygen abundances for 21 thick disk and 42 thin disk F and G dwarf stars based on very high resolution spectra (R\sim 215000) and high ...
Bensby, T., Feltzing, S., Lundstrom, I.
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Characterisation of the Galactic thick disk
Thick disks appear to be common in external large spiral galaxies and our own Milky Way also hosts one. The existence of a thick disk is possibly directly linked to the formation history of the host galaxy and if its properties is known it can constrain ...
Bensby, Thomas
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The Spectroscopic Differences between Disk and Thick‐Disk/Bulge Novae [PDF]
M. Della Valle, Mario Livio
openalex +1 more source
Vibrations of a thick orthotropic disk with inextensible face coatings [PDF]
S. V. Butko, V. I. Storozhev
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Mapping the Asymmetric Thick Disk: II Distance, Size and Mass of the Hercules Thick Disk Cloud
The Hercules Thick Disk Cloud (Larsen et al. 2008) was initially discovered as an excess in the number of faint blue stars between quadrants 1 and 4 of the Galaxy.
Abazajian +34 more
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Models of disk chemical evolution focusing the pure dynamical radial mixing
We performed N-body simulations to study the dynamical evolution of a stellar disk inside a Dark Matter (DM) halo. Our results evidence how a standard -radially decreasing- metallicity gradient produces a negative vϕ vs.
Re Fiorentin P. +4 more
doaj +1 more source
Kinematics of Metal-poor Stars in the Galaxy. III. Formation of the Stellar Halo and Thick Disk as Revealed from a Large Sample of Nonkinematically Selected Stars [PDF]
Masashi Chiba, Timothy C. Beers
openalex +1 more source
A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion onto the Milky Way
We present an analysis of the asymmetries in the population of Galactic M-giant stars present in the 2MASS All Sky catalogue. Several large-scale asymmetries are detected, the most significant of which is a strong elliptical-shaped stellar over-density ...
Abadi +40 more
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Stellar Populations of the Galactic Disk: Metallicity Distribution and Kinematics
Metallicities and distances have been determined from Vilnius photometry for an in situ sample of nearly 650 stars in eight proper-motion fields at high Galactic latitudes.
Bartašiūtė S. +5 more
doaj +1 more source
Monte-Carlo radiative transfer simulation of the circumstellar disk of the Herbig Ae star HD 144432
Studies of pre-transitional disks, with a gap region between the inner infrared-emitting region and the outer disk, are important to improving our understanding of disk evolution and planet formation.
Chen, L. +8 more
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