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Creators/Authors contains: "Gonzales, E J"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Astronomy & Astrophysics)
    We report the discovery by the TESS mission of a super-Earth on a 4.8-days 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 ± 0.0064R⊙, mass of 0.1800 ± 0.0044M⊙, 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 andShane.Our analyses have determined the following parameters for the planet: a radius of 1.466−0.049+0.063R⊕and an equilibrium temperature of 404 ± 14 K, assuming no albedo and perfect heat redistribution. Assuming a mass based on mass-radius relations, this planet is a promising target for atmospheric characterization with theJames WebbSpace Telescope (JWST). 
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