Abundances of 54 Cepheids

This paper reports on the spectroscopic investigation of 54 Cepheids, deriving parameters and abundances. These Cepheids extend previous samples by about 35% in number and...本论文报道了针对54颗造父变星（Cepheids）的光谱学研究，推导了其物理参数与化学丰度。该批造父变星的样本数量较此前的相关样本提升了约35%，且……