ML models on 9-band COSMOS catalog data detect 30-80% of unrecognized blends (17% of sample) while rejecting 10-50% of galaxies, performing similarly with optical bands only.
The large dif- fuse sources would contaminate the matching process 19 for blends if not removed
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Catalog-based detection of unrecognized blends in deep optical ground based imaging
ML models on 9-band COSMOS catalog data detect 30-80% of unrecognized blends (17% of sample) while rejecting 10-50% of galaxies, performing similarly with optical bands only.