Emission Lines In Active Galaxies

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Emission Lines In Active Galactic Nuclei

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Author : Rutherford Appleton Laboratory. Workshop on Astronomy and Astrophysics
language : en
Publisher:
Release Date : 1987

Emission Lines In Active Galactic Nuclei written by Rutherford Appleton Laboratory. Workshop on Astronomy and Astrophysics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Active galaxies categories.

The spectra of active galactic nuclei and quasars are characterised by permitted broad emission lines of very different ionization levels. Only a small fraction of the total luminosity of an active galactic nucleus or a quasar is emitted in these lines and yet a very generous amount of telescope time is spent observing these lines and an equally generous amount of computer time is spent modelling them. Why ....................? Because; "Sometimes you can't stick your head in the engine so you have to examine the exhaust."--D E Osterbrock. There cannot be a better rational than this for investigating line emission in active galaxies. The seventh RAL Workshop on Astronomy and Astrophysics was organised to "assess the damage" and to explore new ideas for understanding line emission in active galaxies. No particular line of approach was defined for new models, before a "revised standard model" can be accepted the following questions (posed by the participants in the workshop) will have to be answered.

Emission Lines In Active Galaxies

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Author : Bradley M. Peterson
language : en
Publisher:
Release Date : 1997

Emission Lines In Active Galaxies written by Bradley M. Peterson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.

The Nearest Active Galaxies

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Author : J. E. Beckman
language : en
Publisher: Editorial CSIC - CSIC Press
Release Date : 1993

The Nearest Active Galaxies written by J. E. Beckman and has been published by Editorial CSIC - CSIC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Active galaxies categories.

Active Galactic Nuclei

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Author : Ian Robson
language : en
Publisher: Wiley-Blackwell
Release Date : 1996

Active Galactic Nuclei written by Ian Robson and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.

Understanding the energy source and physical processes within active galaxies are the most challenging areas of current research. Using a logical format and easy-to-follow explanations, Robson demonstrates the crucial connections between observation and theory, illustrating how diverse classes of active galaxies fit into the contemporary perspective. Summary sections explain the physical concepts behind the mathematics.

Active Galactic Nuclei

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Author : R.D. Blandford
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-18

Active Galactic Nuclei written by R.D. Blandford and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-18 with Science categories.

The Swiss Society for Astrophysics and Astronomy organizes each year in the late winter or early spring an advanced course. The format of the school is always iden tical: three leading lecturers are invited to cover the subject in nine or ten lectures each and to deliver a written version of their lecture notes. Lectures are held in the morning and late afternoon, thus leaving ample time for discussion and skiing. These arrangements prove very convivial and lead to an excellent atmosphere in which to learn exciting new subjects and establish contacts with colleagues. A wide variety of people attend the school, including many young students, mostly from Europe, and some experienced researchers. The 20th Advanced Course of the Swiss Society for Astrophysics and Astronomy took place in Les Diablerets from 1 to 6 April 1990. It was devoted to observational and theoretical aspects of active galactic nuclei. The previous advanced courses of the Swiss Society for Astrophysics and Astronomy have regularly taken place in Saas-Fee, a small resort in the Swiss Alps, hence the name "Saas-Fee" used to de scribe the courses and lecture notes. In the last three years, however, the course was organized in Leysin and in Les Diablerets, both also situated in the Swiss Alps.

Reverberation Mapping Of The Broad Line Region In Active Galactic Nuclei

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Author : Rutherford Appleton Laboratory. Workshop on Astronomy and Astrophysics
language : en
Publisher:
Release Date : 1994

Reverberation Mapping Of The Broad Line Region In Active Galactic Nuclei written by Rutherford Appleton Laboratory. Workshop on Astronomy and Astrophysics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.

Emission Lines In Active Galaxies

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Author :
language : en
Publisher:
Release Date : 1997

Emission Lines In Active Galaxies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

An Introduction To Active Galactic Nuclei

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Author : Bradley M. Peterson
language : en
Publisher: Cambridge University Press
Release Date : 1997-02-13

An Introduction To Active Galactic Nuclei written by Bradley M. Peterson and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-02-13 with Science categories.

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.

The Emission Line Universe

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Author : Jordi Cepa
language : en
Publisher: Cambridge University Press
Release Date : 2012-02-22

The Emission Line Universe written by Jordi Cepa and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-22 with Science categories.

This book presents lectures by prestigious researchers and experienced observers from the eighteenth Winter School of the Canary Islands Astrophysics Institute (IAC), devoted to emission lines and the astrophysical objects that produce them. It shows how emission lines in different wavelengths, from ultraviolet to near infrared, can provide essential information on understanding the formation and evolution of astrophysical objects, from the first stars to objects in our Galaxy. It includes practical tutorials for data reduction, making this a truly valuable reference for researchers and graduate students.

Variability Of Active Galaxies

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Author : Wolfgang J. Duschl
language : en
Publisher: Springer
Release Date : 1991

Variability Of Active Galaxies written by Wolfgang J. Duschl and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.

The enormous amounts of energy radiated from the active nuclei of galaxies vary on short time scales, and the emission regions are difficult to observe. To provide a complete understanding of these phenomena a wide variety of studies is presented in this volume. The contributions are broadly divided between line and continuum variability, with observational results, methodological approaches, and theoretical models accompanying each. The final part is devoted to the important aspect of propagation-induced variability.