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Tidally Excited Modes and Scuti Pulsations in the Eclipsing Triple Star IM Persei
Jae Woo Lee, Kyeongsoo Hong, Hye-Young Kim
IM Per is a triple star system whose eclipsing pair masses and radii are accurate to within 1 \%. The TESS light curve of the program target exhibits partial eclipses and multiple…
Cephei Pulsations in the High-mass Eclipsing System CW Cephei
Jae Woo Lee, Kyeongsoo Hong
CW Cep is an early B-type eclipsing binary with mass measurement precisions better than 1 \%. We report the discovery of pulsation signatures in the TESS time-series data of the sy…
Physical Nature of the Eclipsing δ Scuti Star AO Serpentis
Jang-Ho Park, Jae Woo Lee, Kyeongsoo Hong +2
We present the absolute properties of the eclipsing binary AO Ser with a pulsating component from our photometric and high-resolution spectroscopic observations, which were pe…
The Pre-He White Dwarfs in Eclipsing Binaries. I. WASP 0131+28
Jae Woo Lee, Jae-Rim Koo, Kyeongsoo Hong +1
We report the first light curves and high-resolution spectra of the post-mass transfer binary star WASP 0131+28 to study the absolute properties of extremely low-mass white dw…
TESS Photometry of the Eclipsing Scuti Star AI Hydrae
Jae Woo Lee, Kyeongsoo Hong, Martti H. Kristiansen
AI Hya has been known as an eclipsing binary with a monoperiodic Sct pulsator. We present the results from its {\it TESS} photometry observed during Sector 7. Including our fiv…