A dark matter gravitational accretion scenario for E galaxy activity

Details A dark matter gravitational accretion scenario for E galaxy activity A dark matter gravitational accretion scenario for E galaxy activity

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...203l..17v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 203, no. 2, Sept. 1988, p. L17-L20.

Astronomy and Astrophysics

Astronomy

4

Accretion Disks, Cosmology, Dark Matter, Elliptical Galaxies, Gravitational Effects, Evolution (Development), Luminosity, Radio Astronomy, Red Shift, X Ray Astronomy

Scientific paper

The application of gravitational accretion into massive galaxies is reviewed. A strong correlation between central radio activity, optical and X-ray luminosity over five decades in both the radio and the X-ray bands and ranging from ordinary elliptical to D and cD type galaxies is reported and the indices of these correlations are fully consistent with a gravitational accretion scenario. Since the rate of supply of external gas into cooling flows is found to be a most important parameter in their evolution, it is possible to evaluate the cosmological evolution of cooling flows and their products as resulting from the cosmological evolution of inter- and intra-cluster gas.

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