What can we learn from arcs in clusters of galaxies?

Details What can we learn from arcs in clusters of galaxies? What can we learn from arcs in clusters of galaxies?

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.170..283s&link_type=abstract

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640

Astronomy and Astrophysics

Astrophysics

4

Astronomical Spectroscopy, Dark Matter, Galactic Clusters, Gravitational Lenses, X Ray Sources, Astronomical Models, Gravitational Effects, Red Shift, Spiral Galaxies

Scientific paper

Following the discovery of giant arcs and then distorted objects in some rich clusters of galaxies such as Abell 370, and their interpretation as due to gravitational lensing by the clusters, a new class of gravitational lenses is now being explored. It leads to a new approach in the study of the distribution of dark matter in clusters as well as possibility to explore the background population of distant galaxies.

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