Galactic Archeology with RAVE and TGAS

Abstract

The 5th RAVE data release is based on 520,781 spectra ($R\approx 7500$ in the CaT region at $8410$ - $8795$Å) of 457,588 unique stars. RAVE DR5 provides radial velocities, stellar parameters and individual abundances for up to seven elements and distances found using isochrones for a considerable subset of these objects. In particular, RAVE DR5 has 255,922 stellar observations that also have parallaxes and proper motions from the Tycho-Gaia astrometric solution (TGAS) in Gaia DR1. The combination of RAVE and TGAS thus provides the currently largest overlap of spectroscopic and space-based astrometric data and thus can serve as a formidable preview of what Gaia is going to deliver in coming data releases. Basic properties of the RAVE+TGAS survey and its derived data products are presented as well as first applications w.r.t wave-like patterns in the disk structure. An outlook to the 6th RAVE data release is given.

4 pages, 2 figures, Proceedings of the IAU symposium 334 Rediscovering our Galaxy

References in corpus (5)

• Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties
• The Radial Velocity Experiment (RAVE): first data release
• The Radial Velocity Experiment (RAVE): Fifth Data Release
• Very metal-poor stars observed by the RAVE survey
• Climbing the cosmic ladder with stellar twins in RAVE with Gaia