Abstract
RAVE is a large spectroscopic survey of the Milky Way, aiming at observing up to one million stars by 2012 and at obtaining radial velocities and atmosphere parameters (see Steinmetz et al. [6], Zwitter et al. [7], Siebert et al. [5]). Despite to their medium resolution (R ∼ 7500), and the small wavelength window (8410–8795A) RAVE spectra are suitable to perform a chemical abundance analysis. For 234,227 spectra (to date April 2011) we derived abundance estimates for up to 7 elements, which makes RAVE the largest chemical abundances database existing today. We present here the radial chemical gradients of the Milky Way by using RAVE data.
Highlights
We present here the radial chemical gradients of the Milky Way by using RAVE data
In order to obtain the chemical abundances from the RAVE spectra, we developed a processing pipeline
We measured the chemical gradient along the Galactic radius R for the elements Mg, Al, Si, Ti, Fe for a sample of 26,633 dwarf stars of the RAVE chemical catalog
Summary
In order to obtain the chemical abundances from the RAVE spectra, we developed a processing pipeline. Investigating the Milky Way with the RAVE chemical catalog
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