Toward the application of metric size function in galactic evolution and cosmology

Details Toward the application of metric size function in galactic evolution and cosmology Toward the application of metric size function in galactic evolution and cosmology

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251..417d&link_type=abstract

Astrophysical Journal, Part 1, vol. 251, Dec. 15, 1981, p. 417-423. Research supported by the University of California and NSF.

Mathematics

Probability

38

Cosmology, Galactic Evolution, Size Determination, Elliptical Galaxies, Functions (Mathematics), Probability Theory, Red Shift

Scientific paper

The metric size function defined by Petrosian (1976) has been measured on a limited sample of luminous distant galaxies up to a redshift of 1.175. Preliminary evidence is found for the evolution of elliptical galaxies, and constraints are placed on the rates of dynamical evolution by means of the Ostriker-Hausman (1977) theoretical models. It is also found that the eta function is a sensitive probe for the investigation of galactic evolution, and of potential usefulness in cosmology. Problems remaining, and directions for future work, are outlined.

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