Fig. 12.

Handpicked diverse examples taken from the list of 100 morphological outliers created by using the SOM. The red boxes indicate the size of the cutouts fed to the SOM, the inner (dashed) red boxes indicate the size of the cutouts after rotation and cropping. In this figure, we manually zoomed out to show the full extent of the objects. The outliers list contains a wide range of objects. Going row by row from left to right: a rotating extended double, a nearby spiral (M109), an asymmetric double, an AGN remnant candidate, a WAT, a head-tail radio source, an AGN remnant candidate with spatially separated lobes and an x-shaped radio source. The complexity of some of the objects means that these descriptions are preliminary. Follow-up observations are necessary to understand the nature of some of these objects.
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