| 2020 | X-ray, UV, and optical time delays in the bright Seyfert galaxy Ark 120 with co-ordinated Swift and ground-based observations | Lobban, A. P.; Zola, S.; Pajdosz-Ĺmierciak, U.; BRAITO, Valentina ; NARDINI, EMANUELE ; Bhatta, G.; Markowitz, A.; Bachev, R.; Carosati, D.; Caton, D. B., et al | open |
