Fig. 7.
Radial profile of the star within the FOV of FCC 219 (black dots). The best-fit model to the stellar light is shown by the red dashed line, and the red dotted line indicates the background level of galaxy light. The solid red and blue lines depict the actual PSF, without background, as described by the star and PNe, respectively. For the total flux and profile, this comparison highlights that the two approaches agree well.
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