Description
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~70000) echelle spectra for 160 F-K dwarfs and subgiants of the solar neighborhood in three wavelength regions (5000-6200{AA}, 5800-7000{AA}, and 7600-8800{AA}) at Okayama Astrophysical Observatory. This spectra database is open to the public.
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