Authors:
Goad, MR
Koratkar, AP
Kim-Quijano, J
Korista, KT
O'Brien, PT
Axon, DJ
Citation: Mr. Goad et al., NGC 3516: The long-term variability of the active galactic nucleus emission-line and absorption-line regions, ASTROPHYS J, 524(2), 1999, pp. 707-731
Authors:
Welsh, WF
Peterson, BM
Koratkar, AP
Korista, KT
Citation: Wf. Welsh et al., A search for ultrarapid microavailability in the Seyfert galaxy NGC 7469 with the Hubble Space Telescope, ASTROPHYS J, 509(1), 1998, pp. 118-131