UBVR light curves of ER Vul and RT And

We present the light curves of chromospherically active binary systems, RT And and ER Vul, obtained during 1995-1998 in BV/UBVR filters at the Ankara University Observatory and...本文报道了1995年至1998年间，在安卡拉大学天文台使用BV/UBVR测光滤光片获取的色球活动双星系统RT And与ER Vul的光变曲线，并……