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The Gas Content in Disk Galaxies through Centimetric Radio, Infrared and Optical Windows

Published online by Cambridge University Press:  03 August 2017

G. Gavazzi
G. Gavazzi*
Affiliation:
Osservatorio Astronomico di Brera via Brera, 28, Milano, Italy

Abstract

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I wish to discuss two basic questions:

1) what do we know from the observations about the relationships between the physical conditions of the Interstellar medium (ISM) in disk galaxies and their past and present star formation rate, heating of dust and acceleration of relativistic cosmic rays ?

2) are the above relations and mechanisms sensitive to the intergalactic environment in rich clusters of galaxies?

I will discuss these questions by reviewing three topics:

a) gas content versus star formation

b) FIR emission versus star formation

c) radio continuum emission versus star formation and by discussing weather and how these topics are related to the environment.

Type
XII- Clusters of Galaxies
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 403 - 410
Copyright
Copyright © Kluwer 1991 

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