Modeled homogeneous disk, star, and total intensities, photocenter and FWHM spectra (from top to bottom). For a fixed angle between the disk PA and the slit orientation (50°), the left panels show the effect of changing the disk inclination: i = 25, 50, and 75° (dashed, solid, and dotted lines). For a fixed disk inclination (50°), the right panels show the effect of changing the angle between the disk PA and the slit orientation: = 25, 50, and 75° (dashed, solid, and dotted lines). A disk radius of 0.45 pixels, brightness contrast c_cont = 10 magnitudes and a seeing of 5 pixels is assumed in all cases.