Radial velocity curve of 51 Peg

We report the detection of water absorption features in the day side spectrum of the first-known hot Jupiter, 51 Peg b, confirming the star-planet system to be a double-lined...本研究报道了首颗已知热木星（hot Jupiter）——飞马座51b（51 Peg b）昼面光谱中水吸收特征（water absorption features）的探测结果，证实该恒星-行星系统为双谱线系统……