High-Dispersion Spectra Collection of Nearby F–K Stars at Okayama Astrophysical Observatory: A Basis for Spectroscopic Abundance Standards

Abstract

Abstract Towards constructing a system of high-dispersion spectroscopic standard stars with well-established abundances, so that adequate reference stars of similar properties may be found for precise differential abundance studies of any near-solar type stars, we have collected high-resolution ($R \sim 70000$) echelle spectra for 160 F–K dwarfs and subgiants of the solar neighborhood in three wavelength regions (5000–6200 Å, 5800–7000 Å, and 7600–8800 Å) at Okayama Astrophysical Observatory. This spectra database is open to the public.