Pre-galactic cooling flows and baryonic dark matter

Details Pre-galactic cooling flows and baryonic dark matter Pre-galactic cooling flows and baryonic dark matter

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.234..219a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 234, Sept. 15, 1988, p. 219-240.

Astronomy and Astrophysics

Astronomy

30

Baryons, Dark Matter, Galactic Structure, Hubble Constant, Star Formation, X Ray Astronomy, Cooling, Flow Velocity, Galactic Nuclei, Solar Neighborhood, Temperature Gradients

Scientific paper

The authors argue that the dark matter in galactic haloes consists of jupiters made in pre-galactic or protogalactic high-pressure cooling flows. These would be analogous to the cluster cooling flows observed at the present epoch but on a smaller scale. This possibility arises naturally in a variety of cosmological models, including the hierarchical clustering scenario, the pancake scenario, and the explosion scenario. In most cases, one would expect the jupiters to form in clusters of between 106 and 1011M_sun;, depending on the dominant cooling mechanism. X-ray background limits place constraints on the scale of the cooling flows but not the epoch.

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