Table of Contents: “...Part I. Astrophysics & Observations -- Chapter 1. Quasinormal Modes of Static Ellis-Bronnikov Wormholes (Bahareh Azad) -- Chapter 2. Stationary models of relativistic viscous torus (Sayantani Lahiri) -- Chapter 3. Shadows and accretion disk images...”

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Table of Contents: “...) -- Simulations of accretions disks at the frequency used of the Event Horizon Telescope (P.O. Hess) -- Generic Theory of Geometrodynamics from Noether's theorem for the Diff(M) symmetry group (J. Struckmeier, D. Vasak, J.Kirsch) -- High-resolution Experiments...”

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Table of Contents: “... active region -- Flares in accretion disks -- Non-linear data analysis and statistical techniques in solar radio astronomy -- Interplanetary scintillation imaging of disturbances in the solar wind -- Theory and observations of coronal shock waves -- Numerical...”

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Table of Contents: “... Plasma Flow -- II Active Galaxies -- Quasar Models -- Accretion Disks in the Centers of Galaxies -- Synchrotron Emission from Shock Waves in Active Galactic Nuclei -- The Masses of Active Galactic Nuclei -- The Study of X-ray Radiation from AGNs...”

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Table of Contents: “... galaxy nuclei -- Double peaked broad line profiles — edge on accretion disks or double quasar nuclei? -- OJ287 as a binary system -- Line profiles and the kinematics of the narrow-line region -- Reddening of narrow line regions -- Ultraviolet and optical...”

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