Seyfert Galaxies

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Seyfert Galaxies

These are AGN, where the host galaxy is still clearly visible beneath the dominating nuclear emission. They represent the closest and intrinsically faintest population of AGN. Their X-ray output is dominated by accretion. Depending on their optical properties, they are further classified into "type 1" (generally X-ray unobscured), and "type 2" (generally X-ray obscured) objects. They are believed to be the ultimate source of the X-ray Background.

1H0707-495	ESO 198-G24	NGC 1068	NGC 1365	NGC 1808
NGC 4258	NGC 4258	NGC 4258	NGC 7582	NGC1365
NGC3516	NGC4258

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