Fig. 1
Simulated images of a composite system composed of two Plummer spheres. The difference in intrinsic luminosity between the two components is a factor 100. Two panels on the left: simulated image of the system without biasing (i.e. each component has a weight proportional to its luminosity), for 105 and 106 photon packages. Panels on the right: similar images for the same system, but now composite biasing is applied.
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