Gaia FGK benchmark stars: metallicity

To calibrate automatic pipelines that determine atmospheric parameters of stars, one needs a sample of stars, or "benchmark stars", with well-defined parameters to be used as a...为校准用于测定恒星大气参数的自动处理流水线，需获取一组参数定义明确的恒星样本（或称"基准恒星"），将其用作……