Optical Monitoring and Long-term Optical Spectral Variability of BL Lacertae Object S5 0716+714

Huai-Zhen Li, Di-Fu Guo, Long-Hua Qin +7

We present photometric observations of the BL Lacertae object S5 0716+714 with a temporal resolution of 120 s in the Sloan i' and r' bands. These observations were conducted using…