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In the thick of it: metal-poor disc stars in RAVE
G. Kordopatis, G. Gilmore, R. F. G. Wyse +17
By selecting in the RAVE-DR4 survey the stars located between 1 and 2 kpc above the Galactic plane, we question the consistency of the simplest three-component model (thin disc, th…
A new stellar chemo-kinematic relation reveals the merger history of the Milky Way disc
I. Minchev, C. Chiappini, M. Martig +27
The velocity dispersions of stars near the Sun are known to increase with stellar age, but age can be difficult to determine so a proxy like the abundance of alpha elements (e.g.,…
A RAVE Investigation on Galactic open Clusters I. Radial velocities and metallicities
C. Conrad, R. -D. Scholz, N. V. Kharchenko +25
Context. Galactic open clusters (OCs) mainly belong to the young stellar population in the Milky Way disk, but are there groups and complexes of OCs that possibly define an additio…
The RAdial Velocity Experiment (RAVE): Fourth data release
G. Kordopatis, G. Gilmore, M. Steinmetz +48
We present the stellar atmospheric parameters (effective temperature, surface gravity, overall metallicity), radial velocities, individual abundances and distances determined for 4…
Chemical gradients in the Milky Way from the RAVE data. I. Dwarf stars
C. Boeche, A. Siebert, T. Piffl +20
Aim: We aim at measuring the chemical gradients of the elements Mg, Al, Si, and Fe along the Galactic radius to provide new constraints on the chemical evolution models of the Gala…
Diffuse interstellar band at 8620 Å in RAVE: A new method for detecting the diffuse interstellar band in spectra of cool stars
J. Kos, T. Zwitter, E. K. Grebel +16
Diffuse interstellar bands are usually observed in spectra of hot stars, where interstellar lines are rarely blended with stellar ones. The need for hot stars is a strong limitatio…