Photoelectric V photometry of 57 and 58 Tau

Between January 13 and 22 in 1989, new photoelectric photometry for 57 Tauri (=HD 27397, alpha(1950.0)=4h17m09s, delta=13deg55.0arcmin) and 58 Tauri (=HD 27459,...1989年1月13日至22日期间，获得了针对金牛座57星（=HD 27397，历元1950.0时的赤经α=4h17m09s，赤纬δ=13°55.0′）与金牛座58星（=HD 27459，……）的新光电测光（photoelectric photometry）数据。