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Fig. 2

image

X-ray absorbing column NH vs. Seyfert subtype. The symbols for subtypes 1.5 and 2 have been randomly shifted by a small amount for better readability. The symbol colour indicates the optical obscuration to the hot dust. The solid and dashed lines indicate two possible consistent dividing lines between optically unobscured/obscured and X-ray unabsorbed/absorbed.

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