HATS-71b: A Giant Planet Transiting an M3 Dwarf Star in TESS Sector 1

  • Bakos G
  • Bayliss D
  • Bento J
  • et al.
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Abstract

We report the discovery of HATS-71b, a transiting gas giant planet on a day orbit around a mag M3 dwarf star. HATS-71 is the coolest M dwarf star known to host a hot Jupiter. The loss of light during transits is 4.7%, more than in any other confirmed transiting planet system. The planet was identified as a candidate by the ground-based HATSouth transit survey. It was confirmed using ground-based photometry, spectroscopy, and imaging, as well as space-based photometry from the NASA Transiting Exoplanet Survey Satellite mission (TIC 234523599). Combining all of these data, and utilizing Gaia DR2, we find that the planet has a radius of and mass of (95% confidence upper limit of ), while the star has a mass of  and a radius of .

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APA

Bakos, G. Á., Bayliss, D., Bento, J., Bhatti, W., Brahm, R., Csubry, Z., … Relles, H. M. (2020). HATS-71b: A Giant Planet Transiting an M3 Dwarf Star in TESS Sector 1. The Astronomical Journal, 159(6), 267. https://doi.org/10.3847/1538-3881/ab8ad1

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