'Accretion flow' diaporamas de présentation

The Origin of X-Ray Emission in the Nuclei of Radio Galaxies

Dan Evans (Harvard) -with- Diana Worrall (U. Bristol), Martin Hardcastle (U. Herts), Ralph Kraft (SAO), Mark Birkinshaw (U. Bristol), Judith Croston (U. Herts). The Origin of X-Ray Emission in the Nuclei of Radio Galaxies. Contents. Brief review of AGN physics & phenomenology

572 views • 37 slides

SELF-SIMILAR SOLUTIONS OF V ISCOUS RESISTIVE ACCRETION FLOWS

SELF-SIMILAR SOLUTIONS OF V ISCOUS RESISTIVE ACCRETION FLOWS. Jamshid Ghanbari. Department of Physics, School of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran. Department of Physics and Astronomy, San Francisco State University , 1600 Holloway, San Francisco, CA 94132. Outline.

541 views • 36 slides

Fe K ? Line in AGN

Fe K ? Line in AGN. Shane Bussmann AGN Class 4/16/07. Importance of Fe K ?. High energy astrophysics ? study accretion disks around BHs Emission feature arises close to BH ? probe strong gravity effects, compare to predictions from GR ? determine BH properties. The Standard Model.

396 views • 32 slides

Low covering factor of the BLR in weak emission-line quasars

315 views • 22 slides

Luminous Hot Accretion Flows

Luminous Hot Accretion Flows. ------extending ADAF beyond its critical accretion rate. Feng Yuan Shanghai Astronomical Observatory, Chinese Academy of Science. Outline. The dynamics of luminous hot accretion flows (LHAFs) Main features of LHAFs Stability

384 views • 21 slides

Magnetically-Dominated Jet and Accretion Flows

Magnetically-Dominated Jet and Accretion Flows. David L. Meier Jet Propulsion Laboratory California Institute of Technology.

355 views • 20 slides

Magnetically-Dominated Jet and Accretion Flows

Magnetically-Dominated Jet and Accretion Flows. David L. Meier Jet Propulsion Laboratory California Institute of Technology. Ultra-Relativistic Jet Workshop Banff, Alberta, Canada July 12, 2005. Outline.

350 views • 18 slides

Polarized Emission And Black Hole Shadow Image of Sagittarius A*

Polarized Emission And Black Hole Shadow Image of Sagittarius A*. Lei Huang Center for Astrophysics, USTC Institute of Astronomy & Astrophysics, Academia Sinica Collaborators: Siming Liu, Rohta Takahashi, Mike J. Cai, Zhi-Qiang Shen, Ye-Fei Yuan. Outline. 1. Radiative transfer

382 views • 18 slides

269 views • 15 slides

Accretion Model of Sgr A* in Quiescence

Accretion Model of Sgr A* in Quiescence. Ramesh Narayan. Ultra-Dim Galactic Nuclei. Sgr A* exemplifies an old and famous problem: Why are SMBHs in the nuclei of normal (non-AGN) galaxies so dim? True, the gas supply is less

275 views • 14 slides

Global Compton heating/cooling in hot accretion flows

Global Compton heating/cooling in hot accretion flows. Feng Yuan. with: F. G. Xie ( ???? Shanghai Astronomical Observatory) J. P. Ostriker (Princeton University). Two effects of Compton scattering in accretion flows.

276 views • 13 slides