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Fig. 2.

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Values of effective RVeff as a function of AVeff for a simulated point source immersed in a galactic dust cloud. Different colors denote different observation angles, from 0° (face-on) to 90° (edge-on). The results from two different instruments are presented: One with an aperture radius of 1 AU (left) and another with an aperture radius of 20 kpc (right). The cloud dust density has been normalized so that the total optical depth along the R axis is τVR = 5.

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