Fig. 4.
Reduced χ2 as a function of effective temperature and surface gravity from a grid of Exo-REM models (Charnay et al. 2018). The yellow contours correspond to the 5σ error, indicating a valley of possible temperatures between 1100 and 1200 K. The vertical lines correspond to the planet’s radius from the model K-band luminosity assuming a distance of 39.4 pc.
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