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Fig. 4

image

Relationship between geometric albedo and brightness temperature. The curve shows the contour for the measured upper limit on the eclipse depth, d < 0.198 ppt. The vertical dashed line corresponds to the planetary blackbody temperature determined by Nikolov et al. (2018) of 1995 ± 17 K, which is adopted in this work, and the vertical dotted line indicates the slightly larger value of Zhao et al. (2014).

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