2 citations · 2 across the 6 of their papers we have counts for
6 papers
The Double-lined Eclipsing Doradus System AX Draconis in a 0.568-day Orbit
Jae Woo Lee, Min-Ji Jeong, Kyeongsoo Hong +3
For the near-contact binary AX Dra, we present the first time-series spectroscopy collected with the echelle spectrograph BOES. From spectral analysis, we measured the projected ro…
The Pre-He White Dwarfs in Eclipsing Binaries. V. TIC 399725538
Jae Woo Lee, Kyeongsoo Hong, Min-Ji Jeong +2
We present echelle spectra of TIC 399725538 obtained in Korea and Thailand to investigate the physical properties and evolutionary scenarios of EL CVn-type binaries. The time-serie…
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-…
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…
Pulsations and Pre-He White Dwarf in the Post-mass Transfer Eclipsing System WASP 1021-28
Jae Woo Lee, Min-Ji Jeong, Kyeongsoo Hong
We present results from VLT/UVES spectra and TESS photometric observations of the pulsating EL CVn binary WASP 1021-28, containing a He-core white dwarf precursor (pre-He WD). Doub…
WASP 0346-21: An EL CVn-Type Eclipsing Binary with Multiperiodic Pulsations in a Triple System
Jae Woo Lee, Kyeongsoo Hong, Min-Ji Jeong +1
VLT/UVES spectroscopic and TESS photometric observations for WASP 0346-21 allow the direct determination of its physical properties, along with the detection of a circumbinary obje…