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The Neil Gehrels Swift Observatory

Typical Host Galaxies of BAT Detected Seyfert Galaxies

Typical host galaxies of BAT detected Seyfert galaxies.

Typical host galaxies of BAT detected Seyfert galaxies. The individual images are taken from the Palomar Digital Sky Survey, and are 20 on a side. The BAT hardness-luminosity plane is divided into 70 bins, and a BAT source from that bin randomly selected to display.