On the Use of Field RR Lyrae as Galactic Probes. V. Optical and Radial Velocity Curve Templates

@article{Braga2021OnTU,
  title={On the Use of Field RR Lyrae as Galactic Probes. V. Optical and Radial Velocity Curve Templates},
  author={Vittorio F. Braga and Juliana Crestani and M. Fabrizio and Giuseppe Bono and Christopher Sneden and Glenn W. Preston and Jesper Storm and Sebastian Kamann and M. Latour and H. Lala and Bertrand Lemasle and Z. Prudil and G. Altavilla and Brian Chaboyer and M. Dall’ora and I. Ferraro and Christina K. Gilligan and Giuliana Fiorentino and G. Iannicola and Laura Inno and SungWon Kwak and Massimo Marengo and S. Marinoni and P. M. Marrese and Clara E. Mart{\'i}nez-V{\'a}zquez and Matteo Monelli and J. P. Mullen and Noriyuki Matsunaga and Jillian R. Neeley and Peter B. Stetson and Elena Valenti and M. Zoccali},
  journal={The Astrophysical Journal},
  year={2021},
  volume={919}
}
We collected the largest spectroscopic catalog of RR Lyrae (RRLs) including ≈20,000 high-, medium-, and low-resolution spectra for ≈10,000 RRLs. We provide the analytical forms of radial velocity curve (RVC) templates. These were built using 36 RRLs (31 fundamental—split into three period bins—and five first-overtone pulsators) with well-sampled RVCs based on three groups of metallic lines (Fe, Mg, Na) and four Balmer lines (H α , H β , H γ , H δ ). We tackled the long-standing problem of the… Expand

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