Background light from galaxies as a cosmological probe

Details Background light from galaxies as a cosmological probe Background light from galaxies as a cosmological probe

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242..443s&link_type=abstract

Astrophysical Journal, Part 1, vol. 242, Dec. 1, 1980, p. 443-447.

Astronomy and Astrophysics

Astrophysics

7

Background Radiation, Cosmology, Galactic Evolution, Galactic Radiation, Luminosity, Elliptical Galaxies, Flux Density, Hubble Constant, Quasars, Spiral Galaxies

Scientific paper

Galaxies emit radiation as a background of intergalactic light whose energy density depends on the epoch during which the galaxies formed, the luminosity evolution undergone by them, and their cosmology. The expected energy density of the extragalactic background light (EBL) was computed for a range of galaxy formation epochs, luminosity-evolution parameters, and Robertson-Walker universe models. It is concluded that the upper limits of the EBL were not more luminous when young than they are at present.

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