MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf

@article{Parviainen2019MuSCAT2MV,
  title={MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf},
  author={H. Parviainen and E. Pall{\'e} and M. Zapatero-Osorio and P. M. Rodr{\'i}guez and F. Murgas and N. Narita and D. H. Soto and V. B'ejar and J. Korth and M. Monelli and N. C. Barris and N. Crouzet and J. Leon and A. Fukui and A. Hern{\'a}ndez and P. Klagyivik and N. Kusakabe and R. Luque and M. Mori and T. Nishiumi and J. Prieto-arranz and M. Tamura and N. Watanabe and C. Burke and D. Charbonneau and K. Collins and D. Conti and A. Soto and J. Jenkins and A. Levine and J. Li and S. Rinehart and S. Seager and P. Tenenbaum and E. Ting and R. Vanderspek and M. Vezie and J. Winn},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2019}
}
We report the discovery of TOI 263.01 (TIC 120916706), a transiting substellar object (R = 0.87 RJup) orbiting a faint M3.5~V dwarf (V=18.97) on a 0.56~d orbit. We set out to determine the nature of the TESS planet candidate TOI 263.01 using ground-based multicolour transit photometry. The host star is faint, which makes RV confirmation challenging, but the large transit depth makes the candidate suitable for validation through multicolour photometry. Our analysis combines three transits… Expand

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Multicolour photometry for exoplanet candidate validation
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