Overdensity of galaxies in the environment of quasar pairs
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DOI: 10.1093/mnras/stx2822
Abstract: We report on a study of the galaxy environments of low redshift physical quasars pairs. We selected 20 pairs having projected separation $ read more here.
Keywords: quasars pairs; overdensity galaxies; quasar pairs; environment ... See more keywords
A search for gravitationally lensed quasars and quasar pairs in Pan-STARRS1: spectroscopy and sources of shear in the diamond 2M1134−2103
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DOI: 10.1093/mnras/stz1142
Abstract: We present results of a systematic search for gravitationally lensed quasars in Pan-STARRS1. Our final sample of candidates comprises of 91 systems, not including 25 rediscovered lensed quasars and quasar pairs. In the absence of… read more here.
Keywords: gravitationally lensed; lensed quasars; spectroscopy; quasar pairs ... See more keywords