Is QSO 1146 + 111B,C due to lensing by a cosmic string?

Details Is QSO 1146 + 111B,C due to lensing by a cosmic string? Is QSO 1146 + 111B,C due to lensing by a cosmic string?

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.321..420g&link_type=abstract

Nature (ISSN 0028-0836), vol. 321, May 22, 1986, p. 420, 421.

Physics

19

Gravitational Lenses, Quasars, String Theory, Mass Distribution

Scientific paper

A predicted consequence of cosmic strings is that they should produce equal-brightness double-lens images of distant quasars with separations of up to several minutes of arc. The author discusses the newly discovered lens candidate QSO 1146+111 B, C, which appears to consist of two images of equal brightness of a quasar at redshift z = 1.01, which are separated by 2.6 arc min. If this is produced by a cosmic string, its mass per unit length is μ ⪆ 4.0x1023g cm-1. Some implications of the existence of such a massive cosmic string are outlined.

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