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Fig. 3.

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Screenshot of the Galfit wrapper used for fitting and measuring the UV continuum in different bands. The left image shows a cutout of the data in the HST filter band ACS F814W, the middle image shows the (in this case) two models for the object and the right image shows the residuals. Clicking in the right panel will allow the user to add a Galfit model for an additional component, which creates a green circle to mark the place. Below the panels are morphological measurements as well as magnitude and position, each of which can be fixed if needed. In the example, the object was fitted with two Sérsic models, each of which can be selected by clicking on the small green circles. The check boxes on the right allow the user to asses whether the object is clumpy and if there are multiple components in the counterpart or no counterpart at all, as well whether to include the model in the object.

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