The Pre-He White Dwarfs in Eclipsing Binaries. I. WASP 0131+28

@article{Lee2020ThePW,
  title={The Pre-He White Dwarfs in Eclipsing Binaries. I. WASP 0131+28},
  author={Jae Woo Lee and Jae-Rim Koo and Kyeongsoo Hong and Jang-Ho Park},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2020}
}
  • Jae Woo Lee, Jae-Rim Koo, +1 author Jang-Ho Park
  • Published 2020
  • Physics
  • arXiv: Solar and Stellar Astrophysics
  • We report the first $BV$ 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 dwarfs. From the observed spectra, the double-lined radial velocities were derived, and the effective temperature and rotational velocity of the brighter, more massive primary were found to be $T_{\rm eff,1} = 10,000 \pm 200$ K and $v_1\sin$$i$ = 55 $\pm$ 10 km s$^{-1}$, respectively. The combined analysis of the {\it… CONTINUE READING

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