Fig. 8

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Examples of a target that had no matching source. (a) is an erroneous detection due to incomplete or damaged photometric image data, (b) is an erroneous detection with a detection result that is towards one end of the astronomical object, (c) is a detection where the target is too faint to determine whether it is a real source, and (d) is a source that is confirmed to be a real astronomical object by visual inspection but is not in the DESI Tractor Catalog.
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