| Title | A Possible ̃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, Bai, J-M, Bian, W-H, Yuan, Y-F, Winkler, H, Denissyuk, EK, Valiullin, RR, Bon, N, Popović, LČ |
| Journal | \apjs |
| Volume | 241 |
| Pagination | 33 |
| Date Published | Apr |
| Keywords | Astrophysics - Astrophysics of Galaxies, Astrophysics - High Energy Astrophysical Phenomena, galaxies: active, galaxies: individual: Ark 120, methods: data analysis, methods: statistical, quasars: general |
| DOI | 10.3847/1538-4365/ab0ec5 |