A search for diffuse light in a richness 4 cluster of galaxies

Details A search for diffuse light in a richness 4 cluster of galaxies A search for diffuse light in a richness 4 cluster of galaxies

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...340..661g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 340, May 15, 1989, p. 661-665.

Astronomy and Astrophysics

Astrophysics

27

Astronomical Photometry, Dark Matter, Diffuse Radiation, Galactic Clusters, Brightness Distribution, Mass To Light Ratios

Scientific paper

Careful modeling and subtraction of galaxies in the field of Abell 1689, a richness 4 cluster, indicate that little if any diffuse light exists on a spatial scale equal to that of the cluster. A cluster mass-to-light ratio of between 350 and 550 solar mass/solar luminosity ratios is derived. A lower limit to the mass-to-light ratio of the cluster dark matter is about 2000 solar mass/solar luminosity ratios.

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