Hard X-ray selected AGN hosts are deficient in smooth ellipticals and spiral-armed disks by about 70-80%, show a roughly fourfold excess of mergers or disturbed systems, and have a higher bar fraction (~50% vs ~30%) than matched inactive galaxies.
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BASS. XLIV. Morphological preferences of local hard X-ray selected AGN
Hard X-ray selected AGN hosts are deficient in smooth ellipticals and spiral-armed disks by about 70-80%, show a roughly fourfold excess of mergers or disturbed systems, and have a higher bar fraction (~50% vs ~30%) than matched inactive galaxies.