V. L. Oknyansky
Papers
4
Total Citations
132
H-Index
4
About
V. L. Oknyansky is a leading observational astrophysicist renowned for pioneering work on changing-look active galactic nuclei (CL AGNs)—galaxies whose central supermassive black holes dramatically shift between quiescent and luminous states. His research focuses on multiwavelength monitoring, reverberation mapping, and the physical mechanisms driving these extreme transformations. Oknyansky’s most influential contribution is his comprehensive study of NGC 1566, where he demonstrated that the galaxy underwent multiple changing-look events, challenging static AGN models. His 2018 paper on this subject has garnered 88 citations, establishing a benchmark for CL AGN research. He further advanced the field with long-term Swift and MASTER Global Robotic Network observations, revealing correlated optical, UV, and X-ray variability. His 2023 work on NGC 2617 provided the first detailed reverberation mapping of a changing-look AGN, measuring the size of the broad-line region during a state transition. With over 130 total citations across his key papers, Oknyansky’s findings have reshaped understanding of AGN accretion physics and black hole feeding cycles. His dedication to sustained, multi-observatory campaigns exemplifies how patient monitoring unlocks transient phenomena in the dynamic universe.
Research Focus
Key Achievements
Top Papers
- 1New changing look case in NGC 156688 citations · 2018
- 2The post-maximum behaviour of the changing-look Seyfert galaxy NGC 156626 citations · 2020
- 3
- 4DISCOVERY OF MORE CHANGING LOOK EVENTS IN NGC 15667 citations · 2019