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Photo of Paul McMillan

Paul McMillan

Researcher

Photo of Paul McMillan

The Sixth Data Release of the Radial Velocity Experiment (RAVE). I. Survey Description, Spectra, and Radial Velocities

Author

  • Matthias Steinmetz
  • Gal Matijevič
  • Harry Enke
  • Guillaume Guiglion
  • Paul J. McMillan
  • Marica Valentini
  • Cristina Chiappini
  • Eva K. Grebel
  • Gregory R. Ruchti
  • Mary E.K. Williams
  • Friedrich Anders
  • Ismael Carrillo
  • Andreas Just
  • Ivan Minchev
  • Giacomo Monari
  • Ralf-Dieter Scholz
  • Kseniia Sysoliatina

Summary, in English

The Radial Velocity Experiment (Rave) is a magnitude-limited (9 < I < 12) spectroscopic survey of Galactic stars randomly selected in Earth's southern hemisphere. The Rave medium-resolution spectra (R ∼ 7500) cover the Ca-triplet region (8410-8795 Å). The sixth and final data release (DR6) is based on 518,387 observations of 451,783 unique stars. Rave observations were taken between 2003 April 12 and 2013 April 4. Here we present the genesis, setup, and data reduction of Rave as well as wavelength-calibrated and flux-normalized spectra and error spectra for all observations in Rave DR6. Furthermore, we present derived spectral classification and radial velocities for the Rave targets, complemented by cross-matches with Gaia DR2 and other relevant catalogs. A comparison between internal error estimates, variances derived from stars with more than one observing epoch, and a comparison with radial velocities of Gaia DR2 reveals consistently that 68% of the objects have a velocity accuracy better than 1.4 km s-1, while 95% of the objects have radial velocities better than 4.0 km s-1. Stellar atmospheric parameters, abundances and distances are presented in a subsequent publication. The data can be accessed via the Rave website (http://rave-survey.org) or the Vizier database.

Department/s

  • Lund Observatory

Publishing year

2020

Language

English

Publication/Series

The Astronomical Journal

Volume

160

Issue

2

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Astronomy, Astrophysics and Cosmology

Status

Published

ISBN/ISSN/Other

  • ISSN: 0004-6256