Browsing Institutt for teoretisk astrofysikk by Author "Nielsen, A"
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Dahle, Håkon; Gladders, M. D.; Sharon, K.; Bayliss, M. B.; Wuyts, E; Abramson, L. E.; Koester, B. P.; Groeneboom, Nicolaas Ervik; Brinckmann, T. E.; Kristensen, M. T.; Lindholmer, M. O.; Nielsen, A; Krogager, J.-K.; Fynbo, J.P.U. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)We report the discovery of a unique gravitational lens system, SDSS J2222+2745, producing five spectroscopically confirmed images of a zs = 2.82 quasar lensed by a foreground galaxy cluster at zl = 0.49. We also present ...