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Winn, K.A. Collins, K. Barkaoui, K.G. Stassun, K.I. Collins, L. Delrez, L. Garcia, L. Sabin, M.A. G\\'omez-Mu\\~noz, M. Ghachoui, M. Gillon, M.J. Hooton, M. Timmermans, N. Narita, N. Schanche, O. Demangeon, P.P. Pedersen, R.D. Wells, R. Gerasimov, R.P. Schwarz, R. Vanderspek, S. Giacalone, S. Seager, T. Gan, Y. G\\'omez Maqueo Chew, Z. Benkhaldoun","submitted_at":"2023-07-11T15:47:34Z","abstract_excerpt":"We report the discovery by the TESS mission of a super-Earth on a 4.8-d orbit around an inactive M4.5 dwarf (TOI-1680) validated by ground-based facilities. The host star is located 37.14 pc away, with a radius of 0.2100+/-0.0064 R_sun, mass of 0.1800+/-0.0044 M_sun and an effective temperature of 3211+/-100 K. We validated and characterized the planet using TESS data, ground-based multi-wavelength photometry from TRAPPIST, SPECULOOS, and LCO, as well as high-resolution AO observations from Keck/NIRC2 and Shane. 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