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Self-Regulating Star Formation in Isolated Galaxies

Published online by Cambridge University Press:  12 April 2016

Antonio Parravano
Antonio Parravano*
Affiliation:
Universidad de los Andes, Fac. Ciencias, Dept. Fisica, Grupo de Astrofisica, Merida 5101, VENEZUELA

Abstract

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Recent investigation (Parravano, 1987) shows that the diffuse phases of the ISM condense mainly by the transition from warm gas to small cool clouds (WG → SC). In this work we introduce the new hypothesis that the star formation rate (SFR) in isolated galaxies is self-regulated in such a way that it maintains Pmax close to the ISM gas pressure. Here Pmax is the gas pressure at the marginal state of stability for the transition WG → SC. This hypothesis leads to a relation between global galactic parameters which appears to be applicable to various morphological groups of isolated galaxies.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 101: Supernova Remnants and the Interstellar Medium , 1988 , pp. 513 - 516
Copyright
Copyright © Cambridge University Press 1988

References

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