BVRI photometry of S5 0716+714

S5 0716+714 is a typical BL Lacertae object. In this paper we present the analysis and results of long-term simultaneous observations in the radio, near-infrared, optical,...S5 0716+714是一颗典型的蝎虎座BL型天体（BL Lacertae object）。本文针对射电、近红外、光学等波段开展了长期同步观测，并给出了相应的分析与结果。