Research interests

Geometry of obscurer from X-ray spectra

Multi-wavelength Association NWAY

Luminosity function

Heavily obscured AGN

Obscured, CTK fraction

f(L,z)

Obscured, CTK fraction

by galaxy gas f(M*,z)

SMBH occupation f(M*,z)

Hierarchical Bayesian Models

Nested Sampling & PyMultiNest

Cosmological Sims

Spectral fitting with low counts (BXA)

• Derive probability distributions on model parameters: LX, NH, z
• Compare models

Optional to extract more information: Automatically fit empirical BKG models (Chandra, XMM/PN+MOS, NuSTAR, Swift, Suzaku, RXTE)