TESS and HARPS reveal two sub-Neptunes around TOI 1062
- Otegi, J. F.
- Bouchy, F.
- Helled, R.
- Armstrong, D. J.
- Stalport, M.
- Psaridi, A.
- Delisle, J. -B.
- Stassun, K. G.
- Delgado-Mena, E.
- Santos, N. C.
- Hara, N. C.
- Collins, K.
- Gandhi, S.
- Dorn, C.
- Brogi, M.
- Fridlund, M.
- Osborn, H. P.
- Hoyer, S.
- Udry, S.
- Hojjatpanah, S.
- Nielsen, L. D.
- Dumusque, X.
- Adibekyan, V.
- Conti, D.
- Schwarz, R.
- Wang, G.
- Figueira, P.
- Lillo-Box, J.
- Hadjigeorghiou, A.
- Bayliss, D.
- Strøm, P. A.
- Sousa, S. G.
- Barrado, D.
- Osborn, A.
- Barros, S. C. C.
- Brown, D. J. A.
- Eastman, J. D.
- Ciardi, D. R.
- Vanderburg, A.
- Goeke, R. F.
- Guerrero, N. M.
- Boyd, P. T.
- Caldwell, D. A.
- Henze, C. E.
- Mclean, B.
- Ricker, G.
- Vanderspek, R.
- Latham, D. W.
- Seager, S.
- Winn, J.
- Jenkins, J. M.
DOIAbstract
International audienceThe Transiting Exoplanet Survey Satellite (TESS) mission was designed to perform an all-sky search of planets around bright and nearby stars. Here we report the discovery of two sub-Neptunes orbiting around TOI 1062 (TIC 299799658), a V = 10.25 G9V star observed in the TESS Sectors 1, 13, 27, and 28. We use precise radial velocity observations from HARPS to confirm and characterize these two planets. TOI 1062b has a radius of 2.265−0.091+0.096 R⊕, a mass of 10.15 ± 0.8 M⊕, and an orbital period of 4.1130 ± 0.0015 days. The second planet is not transiting, has a minimum mass of 9.78−1.18+1.26 M⊕ and is near the 2:1 mean motion resonance with the innermost planet with an orbital period of 7.972−0.024+0.018 days. We perfo...
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