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Download Extragalactic Radio Sources: From Beams to Jets epub book
ISBN:0521416027
Author: Jacques Roland,Hilhne Sol,Guy Pelletier
ISBN13: 978-0521416023
Title: Extragalactic Radio Sources: From Beams to Jets
Format: rtf lrf lit doc
ePUB size: 1643 kb
FB2 size: 1498 kb
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Language: English
Category: Engineering
Publisher: Cambridge University Press; First Edition edition (June 26, 1992)
Pages: 388

Extragalactic Radio Sources: From Beams to Jets by Jacques Roland,Hilhne Sol,Guy Pelletier



EXTRAGALACTIC RADIO-SOURCES - FROM BEAMS TO JETS - ROLAND,J, SOL,H, PELLETIER,G Journal Article. Additional Document Info. Begelman, Mitchell C.

Extragalactic Radio Sources by International Astronomical Union. Jets in extragalactic radio sources. Jets in extragalactic radio sources :proceedings of a workshop. Extragalactic Jets: Theory and Observation from Radio to Gamma Ray. In this volume,. the huge amount of energy supplied to radio sources, how the jets connecting the & to. Programming the Propeller with Spin: A Beginner's Guide to Parallel Processing e-book.

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Roland, . Sol, . Pelletier,G. ed. :1992, ExtragalacticRadio Sources - From Beams to Jets,Proceedings ofa workshop held atParis1991. Cambridge UniversityPress,Cambridge. 2 Leahy 2 An Anonymous Phenomenon We have known foryears thatthe majority,but not all,ofcatalogued extragalacticradio sources are examples of the same general phenomenon. There ficulty in enomenon from unrelated ones such as the radio emission from normal spirals,from starburstgalaxies,and from 'clusterhaloes',but itis not so easy to put the differenceinto words.

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The physics of active galactic nuclei, the origin of extragalactic jets and the formation of extended extragalactic radio sources are among the most interesting challenges of modern astrophysics.

The existence of jets emanating from the central sources of radio galaxies and quasars was an important discovery for our understanding of the nature of active galactic nuclei. It begins with a discussion of the phenomenology and models of radio sources. The main part is devoted to detailed studies of jets by VLBI, to the information obtained about the structure of the central source as deduced from variability studies, to the production, confinement and velocity of jets as well as to numerical simulations of the. A section on the influence of the environment on radio galaxies concludes the book.

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Observations now require that there be a continuous supply of energy to the giant extragalactic radio sources. Current data indicate that the large-scale jet structures are not moving with relativistic speeds, as previously proposed.

Jacques Roland with expertise in: Cosmology, Experimental Physics and Theoretical Physics. CNRS · Institut d'astrophysique de Paris. We propose that galactic and extragalactic radio sources with jets are due to the existence of binary systems. Extragalactic binary systems are the results of mergers and provide a natural explanation why only a small fraction of quasars are radio sources and why extragalactic radio sources are associated with elliptical galaxies.

The physics of active galactic nuclei, the origin of extragalactic jets and the formation of extended extragalactic radio sources are among the most interesting challenges of modern astrophysics. This book contains the proceedings of the seventh meeting of the Institut d'Astrophysique de Paris, which drew together both theorists and observers in this exciting field. Recent observational data at X-ray, optical and radio wavelengths is discussed and new theoretical developments concerning beam and jet formation models are considered. Special treatment is given to plasma physics problems related to particle acceleration, magnetic reconnection, beam-plasma interaction and coherent emission. The volume will be of use to all students and researchers who are working in this field.