Zachary D. Landaal
Papers
1
Total Citations
38
H-Index
1
About
Zachary D. Landaal is an astrophysicist specializing in gravitational lensing, quasar accretion physics, and time-domain astronomy. His research focuses on using gravitationally lensed quasars as cosmic laboratories to probe the structure of accretion disks and measure cosmological parameters. Landaal’s most cited work, a multiwavelength microlensing analysis of the lensed quasar SBS 0909+532 (2013, 38 citations), provided critical measurements of the time delay between lensed images and the size of the quasar’s accretion disk. By combining photometric monitoring from the U.S. Naval Observatory and the Liverpool Robotic Telescope, he demonstrated how microlensing variability can constrain the inner regions of active galactic nuclei. This work has been foundational for subsequent studies linking quasar structure to dark matter distributions. Landaal’s contributions have advanced our understanding of how supermassive black holes accrete matter and how gravitational lensing can be used as a precision tool in astrophysics. His research continues to shape the field of extragalactic astronomy, particularly in the era of large time-domain surveys.
Research Focus
Key Achievements
Top Papers
- 1