Title | A Possible \ensuremath\sim}20 yr Periodicity in Long-term Optical Photometric and Spectral Variations of the Nearby Radio-quiet Active Galactic Nucleus Ark 120} |
Publication Type | Journal Article |
Year of Publication | 2019 |
Authors | Li, Y-R, Wang, J-M, Zhang, Z-X, Wang, K, Huang, Y-K, Lu, K-X, Hu, C, Du, P, Bon, E, Ho, LC |
Journal | \apjs |
Volume | 241 |
Pagination | 33 |
Date Published | Apr |
Keywords | galaxies: active, galaxies: individual: Ark 120, methods: data analysis, methods: statistical, quasars: general |
DOI | 10.3847/1538-4365/ab0ec5 |