The effect of a variable mass-luminosity ratio on the cosmic density

Details The effect of a variable mass-luminosity ratio on the cosmic density The effect of a variable mass-luminosity ratio on the cosmic density

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975pasp...87..335n&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 87, Apr. 1975, p. 335, 336.

Astronomy and Astrophysics

Astronomy

Cosmology, Galactic Radiation, Mass Distribution, Space Density, Stellar Luminosity, Hubble Diagram, Logarithms, Ratios, Spiral Galaxies, Universe

Scientific paper

The effect on the cosmic density of the possibility that galaxian mass varies as a power of luminosity is examined. The smaller the exponent, the greater the mean density. It is possible to close the universe if the brighter galaxies have a mass-luminosity ratio of 250 (Hubble constant 100 km per sec per Mpc) and mass varies as the one-fourth power of luminosity.

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