Gravitational lens models of arcs in clusters

Details Gravitational lens models of arcs in clusters Gravitational lens models of arcs in clusters

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...350...23b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 350, Feb. 10, 1990, p. 23-35.

Mathematics

Logic

31

Astronomical Models, Dark Matter, Galactic Clusters, Galactic Mass, Gravitational Lenses, Arcs, Mass Distribution, Mass To Light Ratios

Scientific paper

It is now well established that the luminous arcs discovered in clusters of galaxies, in particular those in Abell 370 and Cluster 2244-02, are produced by gravitational lensing of background sources. The arcs are modeled and constraints are placed on the distribution of the mass in the clusters and the shape and size of the sources. The models require, as expected, a large amount of dark matter in the clusters and a mass-to blue-light ratio for the cluster which exceeds 100 solar mass/solar luminosity and could be as high as 1000 solar mass/solar luminosity depending on cosmological parameters and the distribution of the dark matter. Furthermore, it is found that in the case of the arc in A370 the dark matter must have a different distribution than the luminous galaxies, while for the arc in Cl 2244 the dark matter can have a distribution similar to that of the light matter (galaxies) or a separate distribution.

Affiliated with

Also associated with

No associations

Rating

Gravitational lens models of arcs in clusters does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Gravitational lens models of arcs in clusters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gravitational lens models of arcs in clusters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1841412