Credit: Michael Owen, John Blondin Black hole pudding – on the quest for the ultimate accretion disk cooking recipe – Chefs de cuisine Dominikus Heinzeller 1,2, Shin Mineshige 2 & Wolfgang J. Duschl 1,3 Now serving at Now serving at 1: Institut für Theoretische Physik und Astrophysik, Christian-Albrechts-Universität zu Kiel, Germany 2: Yukawa Institute for Theoretical Physics, Kyoto University, Japan 3: Steward Observatory, The University of Arizona, Tucson, USA

Entrée YITP lunch meeting, Kyoto, 12/12/2007 – slide 2 Long-standing key questions on astrophysical accretion processes Growth of supermassive black holes in the early Universe Intermediate mass black holes in ULXs Observational evidence for super-Eddington accretion? Diagnostic power of the iron lines on the accretion process? Central mass Accretion rate Orientation of the disk relative to the observer Mrk 3 (Bianchi et al. 2005) IC 342 S1 (Ebisawa et al. 2003) Merloni 2004 ? Müller & Hasinger 2007 Entrée Plat principal Dessert Fromage

Plat principal Calculation of spectral energy distribution of super-Eddington flows Based on 2D RHD simulations (Ohsuga et al. 2007) Radiative and advective energy transport, photon trapping Observer at inclination angle Line-of-sight calculation of radiative transfer Continuum spectra: Heinzeller et al Iron K at 6-8 keV  Line ratio, shape  Dependence on projected surface comp. box observer YITP lunch meeting, Kyoto, 12/12/2007 – slide 3 Entrée Plat principal Dessert Fromage

Dessert ULX case: YITP lunch meeting, Kyoto, 12/12/2007 – slide 4 Entrée Plat principal Dessert Fromage

Fromage For further inquiries and special orders: Visitors room Lib-2 (3F), until end of February 2008 YITP lunch meeting, Kyoto, 12/12/2007 – slide 5 Entrée Plat principal Dessert Fromage