Motivation

• 20-40% Compton-thick AGN
• 75% AGN are obscured (X-ray NH > 1022cm-2)
• Importance of galaxy-scale obscuration?
• Goal: z=0.5-3 upper limit

1e46

~75%

~40%

1e42

Fraction obscured

Accretion Luminosity [erg/s]

Maiolino&Rieke95, Matt00, Goulding&Alexander09