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Long-term optical spectra variability of BL Lacertae object OJ 287 |
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| Authors: | Y G Zheng X Zhang X W Bi J M Hao H J Zhang |
| Institution: | Department of Physics, Yunnan Normal University, Kunming, Yunnan, China;Department of Physics, Honghe University, Mengzi, Yunnan, China;Department of Physics, Yunnan University, Kunming, Yunnan, China;National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China;Graduate School, Chinese Academy of Sciences, Beijing, China |
| Abstract: | |
| Keywords: | galaxies: active BL Lacertae objects: general BL Lacertae objects: individual: OJ 287 galaxies: fundamental parameters |