Globular clusters as gravitational lenses (Bukhmastova+, 2007)

Details Globular clusters as gravitational lenses (Bukhmastova+, 2007) Globular clusters as gravitational lenses (Bukhmastova+, 2007)

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycat..90330403b&link_type=abstract

VizieR On-line Data Catalog: J/PAZh/33/403. Originally published in: 2007PAZh...33..403B; 2007AstL...33..355B

Physics

Galaxies: Optical, Qsos, Clusters: Globular

Scientific paper

Based on the SDSS catalog, we have found new close quasar-galaxy pairs. We analyze the radial distribution of quasars from pairs around galaxies of different types. We show that the quasars from pairs follow the density profile of halo globular clusters. This is new observational evidence that the quasars projected onto the halos of galaxies are magnified by gravitational lensing by halo globular clusters.
(3 data files).

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