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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/2018

Title: SDSS J1029_2623: a gravitationally lensed quasar with an image separation of 22.5 inches
Authors: Inada, Naohisa
Oguri, Masamune
Morokuma, Tomoki
Doi, Mamoru
Yasuda, Naoki
Becker, Robert H.
Richards, Gordon T.
Kochanek, Christopher S.
Kayo, Issha
Konishi, Kohki
Utsunomiya, Hiroyuki
Shin, Min-Su
Strauss, Michael A.
Sheldon, Erin
York, Donald G.
Hennawi, Joseph F.
Schneider, Donald P.
Dai, Xinyu
Fukugita, Masataka
Keywords: Galaxies;Clusters;General--Gravitational Lensing--Quasars;Individual (SDSS 102913.94_262317.9)
Issue Date: 20-Dec-2006
Publisher: University of Chicago Press
Citation: Astrophysical Journal, 653(2): pp. L97-L100.
Abstract: We report the discovery of a cluster-scale lensed quasar, SDSS J1029+2623, selected from the Sloan Digital Sky Survey. The lens system exhibits two lensed images of a quasar at z p 2.197. The image separation of s 22.5 inches makes it the largest separation lensed quasar discovered to date. The similarity of the optical spectra and the radio loudnesses of the two components support the lensing hypothesis. Images of the field show a cluster of galaxies at z1 ~ 0.55 that is responsible for the large image separation. The lensed images and the cluster light l center are not collinear, which implies that the lensing cluster has a complex structure.
URI: http://hdl.handle.net/1860/2018
Appears in Collections:Faculty Research and Publications (Physics)

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