Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...352..466m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 352, April 1, 1990, p. 466-494.
Astronomy and Astrophysics
Astrophysics
17
Cooling Flows (Astrophysics), Galactic Clusters, Galactic Evolution, Star Formation, Conductive Heat Transfer, H Alpha Line, Mass Transfer, Supernovae, Thermal Instability
Scientific paper
Consideration is given to numerical models for the evolution of cooling flows in clusters of galaxies. Two solutions for the self-similar evolution of gas within the core of a cluster are derived. The first solution describes the evolution of radiatively cooling gas in the core of a static external gravitational potential. The second solution describes the adiabatic contraction and consequent heating of gas in the core of an evolving external potential. It is found that both models with and without an initial central dominant galaxy are capable of giving rise to cooling flows with reasonable gas density and temperature profiles. A summary of the numerical models and their observational implications is given.
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