Metallicity for 317 RGB-stars in NGC 147

The stellar mass-stellar metallicity relation (MZR) is an essential approach to probing the chemical evolution of galaxies. It reflects the balance between galactic feedback and...恒星质量-恒星金属丰度关系（stellar mass-stellar metallicity relation，MZR）是探究星系化学演化的核心手段，它反映了星系反馈与……之间的平衡。