Relativistic Flows in Astrophysics
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"Relativistic Flows in Astrophysics" by A.W. Guthmann, M. Georganopoulos, A. Marcowith, K. Manolakou is a astronomy book and space science reference focused on Deep Sky & Solar System. Best for students, researchers, and serious astronomy enthusiasts.
1. 1 Schematic Picture of AGN Some galaxies are known to emit radiation with extremely high luminosities from a rather small volume in the ??ray, X-ray and UV continuum. Such active cores are the so-called Active Galactic Nuclei (AGN) and the radiation is commonly believed to be a result of gravitational energy released by matter spiraling around 9 a supermassive central black hole of about 10 M (see Fig. 1). Though the central engine which produces the enormous observed activity cannot be resolved observationally, a standard picture of an AGN has gradually emerged to explain the richness of the radiation spectra: • an accretion disk with radius from about 2 to 100 gravitational radii, R , g feeding the central black hole and emitting mainly in the UV and soft X-rays; • the broad line optically emitting clouds (BLR), which seem to be absent in 3 some sources (e. g. FRI, see hereafter) and extend up to a few 10 R from g the center.
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"Relativistic Flows in Astrophysics" by A.W. Guthmann, M. Georganopoulos, A. Marcowith, K. Manolakou is a astronomy book and space science reference focused on Deep Sky & Solar System. Best for students, researchers, and serious astronomy enthusiasts.
Topic: Deep Sky & Solar System
Author: A.W. Guthmann, M. Georganopoulos, A. Marcowith, K. Manolakou
Who this is for:
- Astronomy students
- Researchers and advanced hobbyists
- Readers exploring space science topics
Why this book matters: It matters because it helps readers build a stronger understanding of astronomy concepts, observations, and scientific ideas related to space.
1. 1 Schematic Picture of AGN Some galaxies are known to emit radiation with extremely high luminosities from a rather small volume in the ??ray, X-ray and UV continuum. Such active cores are the so-called Active Galactic Nuclei (AGN) and the radiation is commonly believed to be a result of gravitational energy released by matter spiraling around 9 a supermassive central black hole of about 10 M (see Fig. 1). Though the central engine which produces the enormous observed activity cannot be resolved observationally, a standard picture of an AGN has gradually emerged to explain the richness of the radiation spectra: • an accretion disk with radius from about 2 to 100 gravitational radii, R , g feeding the central black hole and emitting mainly in the UV and soft X-rays; • the broad line optically emitting clouds (BLR), which seem to be absent in 3 some sources (e. g. FRI, see hereafter) and extend up to a few 10 R from g the center.
| Author | A.W. Guthmann, M. Georganopoulos, A. Marcowith, K. Manolakou |
| Publisher | Springer Science & Business Media |
| Published | 2002-07-23 |
| ISBN-13 | 9783540435181 |
| Binding | Hardcover |
| Pages | 252 |
| Language | English |
| Subjects | Science |
| Topic | Deep Sky & Solar System |
| Series | Lecture Notes in Physics |
Format: Hardcover
Length: 252 pages
Language: English
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