Alternative models of cooling flows

Details Alternative models of cooling flows Alternative models of cooling flows

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341...49b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 1, 1989, p. 49-53.

Astronomy and Astrophysics

Astrophysics

20

Cooling Flows (Astrophysics), Galactic Clusters, Star Formation, Stellar Mass, Supernovae, Hubble Constant, Perturbation Theory

Scientific paper

Two cooling flow models that differ from the standard models in clusters of galaxies are examined. The goal is to find a model in which the observations are reproduced without appealing to an unusual initial mass function for star formation. In one model, drag heating by galaxies reheats the cluster gas and also suppresses thermal instabilities in certain temperature regimes. In another model, the gas cools and begins to form stars, which lead to supernovae that reheat the cooled gas to the ambient cluster tmeperature. This model is viable only if high-mass stars are formed and if the supernovae are subluminous.

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