Evidence for evolution of the luminosity function of clusters of galaxies

Details Evidence for evolution of the luminosity function of clusters of galaxies Evidence for evolution of the luminosity function of clusters of galaxies

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991tpsu.rept..113e&link_type=abstract

In MPI für Physik und Astrophysik, Traces of the Primordial Structure in the Universe p 113-117 (SEE N92-29833 20-90)

Astronomy and Astrophysics

Astrophysics

Galactic Clusters, Galactic Evolution, Galactic Structure, Red Shift, Stellar Luminosity, Astronomical Models, Luminous Intensity, X Rays

Scientific paper

From an all sky, x-ray flux limited sample of clusters of galaxies evidence for a significant deficit in the number of high luminosity clusters is found in the redshift range z approximately 0.1 to 0.2 compared with numbers of nearby clusters. This indicates that the x-ray luminous clusters are undergoing strong evolution. The strength of the effect is consistent with hierarchical merging models. The implications of such strong evolution for clusters are discussed.

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