most citedOn the Use of Field RR Lyrae as Galactic Probes. II. A new S calibration to estimate their metallicity

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astro-ph.SR2020★ 56 cited

On the Use of Field RR Lyrae as Galactic Probes. II. A new S calibration to estimate their metallicity

J. Crestani, M. Fabrizio, V. F. Braga +33

We performed the largest and most homogeneous spectroscopic survey of field RR Lyraes (RRLs). We secured 6,300 high resolution (HR, R35,000) spectra for 143 RRLs (11…