Obscuration And X Ray Variability Of Active Galactic Nuclei
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Author | : James Charles Manners |
Publisher | : |
Total Pages | : |
Release | : 2003 |
Genre | : |
ISBN | : |
Download Obscuration and X-ray Variability of Active Galactic Nuclei Book in PDF, Epub and Kindle
Author | : J. M. Manners |
Publisher | : |
Total Pages | : |
Release | : 2002 |
Genre | : |
ISBN | : |
Download Obscuration and X-ray Variability of Active Galactic Nuclei Book in PDF, Epub and Kindle
Author | : Hagai Netzer |
Publisher | : Cambridge University Press |
Total Pages | : 369 |
Release | : 2013-09-16 |
Genre | : Science |
ISBN | : 1107021510 |
Download The Physics and Evolution of Active Galactic Nuclei Book in PDF, Epub and Kindle
A comprehensive introduction to the theory underpinning our study of active galactic nuclei and the ways we observe them.
Author | : Volker Beckmann |
Publisher | : John Wiley & Sons |
Total Pages | : 390 |
Release | : 2012-09-24 |
Genre | : Science |
ISBN | : 3527410783 |
Download Active Galactic Nuclei Book in PDF, Epub and Kindle
Active Galactic Nuclei This AGN textbook gives an overview on the current knowledge of the Active Galacitc Nuclei phenomenon. The spectral energy distribution will be discussed, pointing out what can be observed in different wavebands. The different physical models are presented together with formula important for the understanding of AGN physics. Furthermore, the authors discuss the AGN with respect to its environment, host galaxy, feedback in galaxies and in clusters of galaxies, variability, etc. and finally the cosmological evolution of the AGN phenomenon. This book includes phenomena based on new results in the X-Ray and gamma-ray domain from new telescopes such as Chandra, XMM-Newton, the Fermi Gamma-Ray Space Telescope, and the VHE regime not mentioned so far in AGN books. Those and other new developments as well as simulations of AGN merging events and formations, enabled through latest super-computing capabilities. From the contents: The observational picture of AGN Radiative processes The central engine AGN types and unification AGN through the electromagnetic spectrum AGN variability Environment Quasars and cosmology Formation, evolution and the ultimate fate of AGN What we do not know (yet)
Author | : Donald E. Osterbrock |
Publisher | : University Science Books |
Total Pages | : 488 |
Release | : 2006 |
Genre | : Science |
ISBN | : 9781891389344 |
Download Astrophysics Of Gas Nebulae and Active Galactic Nuclei Book in PDF, Epub and Kindle
Thoroughly revised and expanded throughout, the new edition is a graduate-level text and reference book on gaseous nebulae, nova and supernova remnants. Much of the new data and new images are from the Hubble Space Telescope with two wholly new chapters being added along with other new features. The previous edition which was tried and tested for thirty years has now been succeeded by a revised, updated, larger edition, which will be valuable to anyone seriously interested in astrophysics.
Author | : D. Kunth |
Publisher | : World Scientific |
Total Pages | : 396 |
Release | : 2001 |
Genre | : Science |
ISBN | : 9789810246167 |
Download Advanced Lectures on the Starburst-AGN Connection Book in PDF, Epub and Kindle
A group of leading experts in the field of starbursts and active galactic nuclei have joined hands to produce this review volume which covers the starburst-AGN connection, and the tests to be carried out with the upcoming new astronomical facilities to ascertain the relevance of both components to the formation and evolution of galaxies.The book is addressed to advanced graduate students and researchers in the fields of active galactic nuclei and young galaxies.
Author | : Bradley M. Peterson |
Publisher | : Cambridge University Press |
Total Pages | : 258 |
Release | : 1997-02-13 |
Genre | : Science |
ISBN | : 9780521479110 |
Download An Introduction to Active Galactic Nuclei Book in PDF, Epub and Kindle
How can we test if a supermassive black hole lies at the heart of every active galactic nucleus? What are LINERS, BL Lacs, N galaxies, broad-line radio galaxies and radio-quiet quasars and how do they compare? This timely textbook answers these questions in a clear, comprehensive and self-contained introduction to active galactic nuclei - for graduate students in astronomy and physics. The study of AGN is one of the most dynamic areas of contemporary astronomy, involving one fifth of all research astronomers. This textbook provides a systematic review of the observed properties of AGN across the entire electromagnetic spectrum, examines the underlying physics, and shows how the brightest AGN, quasars, can be used to probe the farthest reaches of the Universe. This book serves as both an entry point to the research literature and as a valuable reference for researchers in the field.
Author | : Xavier Barcons |
Publisher | : Cambridge University Press |
Total Pages | : 328 |
Release | : 1992-07-31 |
Genre | : Nature |
ISBN | : 9780521416511 |
Download The X-ray Background Book in PDF, Epub and Kindle
A review of the current observational knowledge and understanding of the cosmic X-ray background.
Author | : |
Publisher | : |
Total Pages | : 141 |
Release | : 2004 |
Genre | : |
ISBN | : |
Download Long-term X-ray Variability of Active Galactic Nuclei and X-ray Binaries Book in PDF, Epub and Kindle
Author | : Peter Boorman |
Publisher | : Springer |
Total Pages | : 311 |
Release | : 2021-12-04 |
Genre | : Science |
ISBN | : 9783030603632 |
Download The Accretion and Obscured Growth of Supermassive Black Holes Book in PDF, Epub and Kindle
This thesis describes the application of state-of-the-art high-energy X-ray studies to the astronomical quest for understanding obscured active galactic nuclei (AGN). These AGN are supermassive black holes growing by accretion of matter located in the nuclei of galaxies. The material that feeds these black holes also obscures them from view, rendering them challenging to study. It is possible to study them by effectively 'X-raying' galactic nuclei to peer through these obscuring veils. Beginning with the proof-of-concept application of novel X-ray Monte Carlo codes to the Nuclear Spectroscopic Telescope ARray (NuSTAR) spectrum of a known heavily obscured AGN, the thesis establishes the relevant parameters that characterise the AGN spectrum and central black hole growth rate. Next the largest sample of known heavily obscured AGN is compiled, finding the strength of a prominent iron spectral feature to weaken with AGN power. This is puzzling, and suggests that there may be more hidden AGN than previously thought. Finally by combining an all-sky infrared selection with NuSTAR follow-up, new heavily obscured AGN are identified. Obscuration emits infrared radiation, meaning that the infrared-selected AGN catalogue should be representative of the underlying AGN population. The absence of such representative catalogues has continually plagued cosmological studies, and the resultant obscured AGN fraction will be strongly constraining for AGN models.