'Galactic nuclei' presentation slideshows

ACTIVE GALACTIC NUCLEI

ACTIVE GALACTIC NUCLEI Optical spectral classification and Luminosity Function Introduction and some caveats Sy1/QSO QSO/quasar NLRG/QSO2/Sy2 RL QSO/RQ QSO Point-like/extended

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The ubiquitous UV murmurs of sleeping supermassive BHs

The ubiquitous UV murmurs of sleeping supermassive BHs. Dani Maoz With: Neil Nagar, Heino Falcke, Andrew Wilson. Peterson et al. (2004). High-L accretion physics: (geometrically ) thin accretion disk. Manners 2002. accretion disk?. Kormendy & Gebhardt 2001.

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Magnetars are magnetically powered, rotating neutron stars

Magnetars are magnetically powered, rotating neutron stars. RADIO PULSARS 2000 discovered to date Radiate covering most of the electromagnetic spectrum Rotate with periods that span five decades (ms to a few hours). Are powered by their own rotational energy,

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Universe Eighth Edition

680 views • 49 slides

Quasars, black holes and galaxy evolution

Quasars, black holes and galaxy evolution. 3C273. Clive Tadhunter University of Sheffield. Hubble galaxy classification. Late type?. Early type?. Seyfert Galaxies. Optical images. Optical spectra. Seyfert (1943). The discovery of the quasar 3C273. (Schmidt 1963). Optical image.

558 views • 36 slides

Evolution of massive binary black holes (BBHs)

Evolution of massive binary black holes (BBHs). Qingjuan Yu Canadian Institute for Theoretical Astrophysics November 19, 2002. Outline. Introduction Evolution of massive BBHs (stellar dynamics) Four evolution stages Main uncertainty Results: BBH evolution in realistic galaxy models

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Active Galactic Nuclei

Active Galactic Nuclei. Types of Active Galaxies. 4 main types Seyfert galaxies Radio galaxies Quasars Blazars. What are they?. In general, They are small astronomical objects with a large energy output.

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Active Galaxies and Supermassive Black Holes

0. Note that the following lectures include animations and PowerPoint effects such as fly-ins and transitions that require you to be in PowerPoint's Slide Show mode (presentation mode). 0. Active Galaxies and Supermassive Black Holes. Chapter 17. 0. Guidepost.

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334 views • 25 slides

Pierre Auger Observatory

Pierre Auger Observatory. Pierre Auger(1899-1993). Was a nuclear physics and cosmic ray physics. Made cosmic ray experiments on the Jungfraujoch Discovery of extensive air showers (1938) He estimated the energy to 10 15 eV . Location of the auger experiment. Involved countries.

446 views • 21 slides

Introduction to Astrophysics

Introduction to Astrophysics. Lecture 16: Black holes in astrophysics. A black hole this size will have a mass 100 times that of the Earth!!. Black holes. So far we have met black holes in two contexts: The endpoint of evolution of very massive stars.

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Transient activities of supermasive binary black holes in normal galactic nuclei

LSST and opportunities of PKU Astrophysics Beijing , 4 Dec. 2011. Transient activities of supermasive binary black holes in normal galactic nuclei. Fukun Liu Astronomy Department, Peking University. Collaborators

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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

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High Energy ? -rays

High Energy ? -rays. Roger Blandford KIPAC Stanford. The Electromagnetic Spectrum. ir. o. uv. x. g. mm. r. smm. 100TeV. m e c 2. m p c 2. 100neV. 1GeV. High Energy ? -rays. Multi-Messenger Science. High Energy ? -rays. Electromagnetic. Cosmic Rays. Strong Scientific

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Galactic Detection

Galactic Detection. Deciphering Energy Sources in Galactic Nuclei. Heather Stewart, CUA SESI Presentation August 18, 2010 Dr. S Kraemer & Dr H. Schmitt. To do:. Goal Key Players Strategy Results Conclusions. Goal(s). To gain insight about the structure and size of galactic nuclei

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Knowledge Base

ABSTRACT. Need. Active galactic nuclei play an enormous role in studies of the early universe ( Gorjian , 2009). Ground Based and Hubble Space Telescope images of the Active Galaxy NGC 4261 . Knowledge Base. Active Galactic Nuclei. Data Sources.

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Knowledge Base

Need. Active galactic nuclei play an enormous role in studies of the early universe ( Gorjian , 2009). ABSTRACT. Ground Based and Hubble Space Telescope images of the Active Galaxy NGC 4261. Knowledge Base. Active Galactic Nuclei. Data Sources.

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Spin, jet-feedback and black-hole growth

Spin, jet-feedback and black-hole growth. Steve Rawlings ( sr@astro.ox.ac.uk ) & Tom Mauch ( txm@astro.ox.ac.uk ) Sub-Department of Astrophysics, University of Oxford. The Project

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Radio Astronomy

Ionospheric & Earthquake Research Centre Sitapur, Midanpore (W) A Branch of Indian Centre for Space Physics Kolkata, India Webpage: www.csp.res.in; Tel: 033-2436-6003/033-2462-2153. Ionospheric & Earthquake Research.

165 views • 1 slides

Understanding The Growth And Evolution Of Super Massive Black Holes With The WFXT

MSFC. Abstract. WFXT AGN Detections 2.

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