VJHK and SDSS photometry of DA white dwarfs

We have calibrated four major ground-based photometric systems with respect to the Hubble Space Telescope (HST) absolute flux scale, which is defined by Vega and four...我们以哈勃空间望远镜（Hubble Space Telescope, HST）的绝对流量刻度为基准，对四大主流地基测光系统完成了定标；该刻度由织女星（Vega）与四颗……定义。