A gravitational lens explanation for the arclike structure in CL 0500 - 24

Details A gravitational lens explanation for the arclike structure in CL 0500 - 24 A gravitational lens explanation for the arclike structure in CL 0500 - 24

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...337l..73w&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 337, Feb. 15, 1989, p. L73-L75.

Astronomy and Astrophysics

Astrophysics

19

Galactic Clusters, Galactic Structure, Gravitational Lenses, Interacting Galaxies, Galactic Evolution, Mass Distribution, Mass To Light Ratios, Red Shift

Scientific paper

Two simple gravitational lens models for the arclike structure in the rich cluster Cl 0500 - 24 are presented. These models are constructed in accordance with the observations, which suggest that beside the cluster, two galaxies are important for the light deflection. The models account naturally for the shape as well as for the orientation of the observed elongated feature. The lens parameter can be determined to within about 20 percent. It is concluded that gravitational lensing of a background galaxy is a possible explanation for this arclike structure.

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