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About

G. G. Valyavin is an observational astronomer whose work bridges robotic telescope automation and exoplanet discovery. His key research areas include transient astrophysics, robotic observatory operations, and the detection of exoplanets via the transit method. Valyavin’s major contributions are twofold: first, he led the automation of the 1.5-meter Harold Johnson telescope at the Observatorio Astronómico Nacional in Mexico, enabling robotic operations with the RATIR (Reionization And Transients Infra-Red) camera—a system designed for rapid response to cosmic transients. This work, published in 2012 and cited 50 times, represents a foundational achievement in robotic telescope infrastructure. More recently, Valyavin has spearheaded exoplanet surveys using the 0.5-meter robotic telescope at the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS). His team’s two-square-degree survey (2022, 7 citations) and subsequent discovery of eight exoplanet candidates (2023, 5 citations) demonstrate a sustained commitment to high-cadence photometric monitoring. These candidates, identified through shallow transits as subtle as 0.005 magnitudes, highlight Valyavin’s skill in extracting faint signals from noisy data. His work exemplifies how modest-aperture robotic facilities can contribute meaningfully to exoplanet science, making him a key figure in the Russian-led effort to expand the census of transiting planets.