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astro-ph.SR2025
TIC 322208686: An Eclipsing System with Doradus Pulsations and a Third Component on a Wider Orbit
Jae Woo Lee, Kyeongsoo Hong, Min-Ji Jeong +3
TIC 322208686 is known to be a detached binary that exhibits two types of variability: pulsation and eclipse. We present the physical properties of the target star using the short-…
astro-ph.SR2025
The Low Mass Ratio Overcontact Binary GV Leonis and Its Circumbinary Companion
Jae Woo Lee, Jang-Ho Park, Mi-Hwa Song +2
Photometric and spectroscopic observations of GV Leo were performed from 2017 to 2024. The light curves show a flat bottom at the primary eclipse and the conventional O'Connell eff…