Molecular Gas In Seyfert Galaxies
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Molecular Gas In Seyfert Galaxies
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Author : Stephen J. Curran
language : en
Publisher:
Release Date : 2000
Molecular Gas In Seyfert Galaxies written by Stephen J. Curran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Interstellar matter categories.
Millimeter And Submillimeter Studies On The Active Trinity Of Gas Stars And Black Holes In Seyfert Galaxies
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Author : Takuma Izumi
language : en
Publisher: Springer
Release Date : 2018-01-23
Millimeter And Submillimeter Studies On The Active Trinity Of Gas Stars And Black Holes In Seyfert Galaxies written by Takuma Izumi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-23 with Science categories.
This thesis focuses on understanding the growth and formation mechanism of supermassive black holes (SMBHs), an issue it addresses by investigating the dense interstellar medium that is assumed to be a crucial component of the fuel for SMBHs. The thesis also offers unique guidance on using the Atacama Large Millimeter/submillimeter Array (ALMA) in active galactic nuclei (AGN) research. The author presents the three major findings regarding SMBH formation and growth: (1) The development of a new diagnostic method for the energy sources in galaxies based on submillimeter spectroscopy, which allows identification of accreting SMBHs even in obscured environments, (2) the discovery that the circumnuclear dense gas disk (CND), with a typical size of a few tens of parsecs, which plays a crucial role in governing the growth of SMBHs, and (3) the discovery that the mass transfer budget from the CND to the central SMBHs can be quantitatively understood with a theoretical model incorporating the circumnuclear starburst as a driver of mass transfer. The thesis skillfully reviews these three findings, which have greatly improved our understanding of the growth mechanism of SMBHs.
Dense Molecular Gas Around Protostars And In Galactic Nuclei
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Author : Willem A. Baan
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-04-01
Dense Molecular Gas Around Protostars And In Galactic Nuclei written by Willem A. Baan 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 2005-04-01 with Science categories.
These proceedings summarize our present knowledge on astronomical molecules, highlight major problems to be addressed, and finally propose future work. Their theoretical understanding involves physics, numerical simulations and chemistry.
Mass Transfer Induced Activity In Galaxies
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Author : Isaac Shlosman
language : en
Publisher: Cambridge University Press
Release Date : 2003-10-30
Mass Transfer Induced Activity In Galaxies written by Isaac Shlosman 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 2003-10-30 with Science categories.
How gas flows and starbursts light up active galaxies.
The Central Regions Of The Galaxy And Galaxies
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Author : International Astronomical Union. Symposium
language : en
Publisher: Springer Science & Business Media
Release Date : 1998-08-31
The Central Regions Of The Galaxy And Galaxies written by International Astronomical Union. Symposium 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 1998-08-31 with Science categories.
Proceedings of the August 1997 symposium. One hundred and ninety- four contributions present comparative studies on the data of the Milky Way and central regions of nearby galaxies. Included is information on galactic bulges, galactic center star clusters, star formation, starbursts, neutral ISM in the galactic center, molecular gas in the nuclei of galaxies, gas dynamics in the galactic center, the central parsecs of the milky way, magnetic and high-energy phenomena, black holes in galaxies, black hole in the galactic center, and black hole powering of AGN and jets. A sampling of topics: diffraction-limited IR speckle masking observations of the central regions of Seyfert galaxies, the stellar content of the Quintuplet cluster, and the structural characteristics of spiral bulges. Annotation copyrighted by Book News, Inc., Portland, OR
Dynamics Of Galaxies And Their Molecular Cloud Distributions
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Author : F. Combes
language : en
Publisher: Springer Science & Business Media
Release Date : 1991-01-31
Dynamics Of Galaxies And Their Molecular Cloud Distributions written by F. Combes 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 1991-01-31 with Science categories.
Proceedings of the 146th Symposium of the International Astronomical Union, held in Paris, France, June 4-9, 1990
Molecular Gas Dust And Star Formation In Galaxies Iau S292
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Author : Tony Wong
language : en
Publisher: Cambridge University Press
Release Date : 2013-04-11
Molecular Gas Dust And Star Formation In Galaxies Iau S292 written by Tony Wong 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 2013-04-11 with Science categories.
Our knowledge of the molecular gas content in galaxies has advanced rapidly in the past decade with systematic surveys from ground-based radio facilities, coupled with advances in observations and modeling of the thermal dust emission associated with the gas. This Symposium Proceedings provides a timely overview of the latest observations of molecular gas and dust in the Milky Way and in other galaxies. It also covers related topics including the initial conditions for star formation, observational tracers of star formation and interstellar conditions, and simulations of the turbulent, multiphase interstellar medium. Featuring ten review articles by leaders in the field, and including early results and prospects for the ALMA observatory, this volume will prove especially useful for graduate students or scientists who are pursuing or planning research in this area.
Star Formation In Galaxies
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Author :
language : en
Publisher:
Release Date : 1987
Star Formation In 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 1987 with Astrophysics categories.
The Nearest Active Galaxies
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Author : J.E. Beckman
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Nearest Active Galaxies written by J.E. Beckman 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 2012-12-06 with Science categories.
The Chemically Controlled Cosmos
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Author : T. W. Hartquist
language : en
Publisher: Cambridge University Press
Release Date : 1995-12-07
The Chemically Controlled Cosmos written by T. W. Hartquist 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 1995-12-07 with Science categories.
Simple chemistry governs a host of the exotic objects that populate our cosmos. For example, molecules in the early Universe acted as natural temperature regulators, keeping the primordial gas cool and, in turn, allowing galaxies and stars to form. What are the tools of the trade for the cosmic chemist and what can they teach us about the Universe we live in? These are the questions answered in this engaging and informative guide--the first book for nonspecialists on molecular astrophysics. In clear, nontechnical terms, and without formal mathematics, Hartquist and Williams show how to study and understand the behavior of molecules in a host of astronomical situations. Readers will learn about the secretive formation of stars deep within interstellar clouds; the origin of our own solar system; the cataclysmic deaths of many massive stars that explode as supernovae; and the hearts of active galactic nuclei, the most powerful objects in the universe. This book provides an accessible introduction to a wealth of astrophysics, and an understanding of how cosmic chemistry allows the investigation of many of the most exciting questions concerning astronomy today.