TESS unveils the optical phase curve of KELT-1b

@article{Essen2020TESSUT,
  title={TESS unveils the optical phase curve of KELT-1b},
  author={Carolina von Essen and M. Mallonn and Nicolas B. Cowan and Anjali A. A. Piette and Nikku Madhusudhan and Eric Agol and Victoria Antoci and Katja Poppenhaeger and Keivan G. Stassun and Sara Khalafinejad and Gravzina Tautvaivsien.e},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2020}
}
We present the detection and analysis of the phase curve of KELT-1b at optical wavelengths, analyzing data taken by the Transiting Exoplanet Survey Satellite (TESS). With a mass of ~27 M_J, KELT-1b is a low-mass brown dwarf. Due to the high mass and close proximity of its companion, the host star has a TESS light curve which shows clear ellipsoidal variations. We model the data with a six-component model: secondary eclipse, phase curve accounting for reflected light and thermal emission… Expand
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