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Nato Science Series C:

Cooling Flows in Clusters and Galaxies

Editors: Fabian, A.C. (Ed.)

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About this book

X-ray astronomers discovered the diffuse gas in clusters of galaxies about 20 years ago. It was later realized that the central gas density in some clusters, and in elliptical galaxies, is so high that radiative cooling is a significant energy loss. The cooling time of the gas decreases rapidly towards the centre of the cluster or galaxy and is less than a Hubble time within the innermost few hundred kiloparsecs. This results in a cooling flow in which the gas density rises in order to maintain pressure to support the weight of the overlying gas. The rate at which mass is deposited by the flow is inferred to be several hundreds of solar masses per year in some clusters. The fraction of clusters in which cooling flows are found may exceed 50 per cent. Small flows probably occur in most normal elliptical galaxies that are not in rich clusters. The implications of this simple phenomenon are profound, for we appear to be witnessing the ongoing formation of the central galaxy. In particular, since most of the gas is undetected once it cools below about 3 million K, it appears to form dark matter. There is no reason why it should be detectable with current techniques if each cooling proton only recombines once and the matter condenses into objects of low mass.

Table of contents (48 chapters)

Table of contents (48 chapters)

Buy this book

eBook $84.99
price for USA in USD (gross)
  • ISBN 978-94-009-2953-1
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $109.99
price for USA in USD
  • ISBN 978-90-277-2707-7
  • Free shipping for individuals worldwide
  • This title is currently reprinting. You can pre-order your copy now.
Softcover $109.00
price for USA in USD
  • ISBN 978-94-010-7828-3
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Cooling Flows in Clusters and Galaxies
Editors
  • A.C. Fabian
Series Title
Nato Science Series C:
Series Volume
229
Copyright
1988
Publisher
Springer Netherlands
Copyright Holder
Kluwer Academic Publishers
eBook ISBN
978-94-009-2953-1
DOI
10.1007/978-94-009-2953-1
Hardcover ISBN
978-90-277-2707-7
Softcover ISBN
978-94-010-7828-3
Series ISSN
1389-2185
Edition Number
1
Number of Pages
406
Topics