Estimated planet-to-star contrast in reflected light for known exoplanets as a function of angular separation from their host star. Dot size is proportional to the logarithm of planet mass, while the color scale represents equilibrium temperature (assuming a Bond albedo of 0.3). Vertical dashed lines indicate the diffraction limit, 2 λ/D and 3 λ/D thresholds for the 8.2-m VLT at 750 nm (corresponding to the O2A-band).
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