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1 results

  • Very Metal-poor Stars Observed by the RAVE Survey

  • Gal Matijevič, the RAVE Collaboration
  • Journal:
    Proceedings of the International Astronomical Union / Volume 11 / Issue S317 / August 2015
    Published online by Cambridge University Press:
    09 May 2016, pp. 336-337
    Print publication:
    August 2015
    • Article
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  • Radial Velocity Experiment (RAVE) observed ~500,000 southern sky stars between 2003 and 2013 in the infra-red calcium triplet (CaII) spectral region. In this study we extended the analysis of RAVE very metal-poor stars ([Fe/H] < −2) presented by Fulbright et al. (2010). We employed a novel method for identifying the metal-poor stars and developed a tool for modeling CaII lines where we also modeled the background noise to avoid systematical biases in the equivalent width (EW) measurements. Final metallicity values were derived with a flexible calibration approach using only 2MASS photometric data and EW measurements obtained from the RAVE spectra.