Model spectrum of thermal emission of WASP-10b with an instant reradiation over the dayside (f = 2 / 3), computed without TiO/VO (solid line). The filled circle shows the measured planet-to-star flux ratio, in the Ks-band (at 2.14 μm). The error bars are inside the filled circle. The square represents the expected flux within the same band for the presented model. The Ks-band transmission curve (gray line) is shown at the bottom of the panel at arbitrary scale.