3D radiative-hydrodynamical (RHD) simulations of convection for one snapshot of model st35gm03n07 (see Table 5). Top: image of the intensity at a continuum wavelength of 2.20 μm. Middle: image of the intensity at the CO (2−0) line at 2.294 μm. Bottom: azimuthally averaged intensity profiles of both images, where the black line denotes the continuum wavelength and the red line denotes the CO line. The radii is defined by (μ is explained in the text).