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Mass models and environment of the new quadruply lensed quasar SDSS J1330+1810
Masamune Oguri, Naohisa Inada, Jeffrey A. Blackburne +5
We present the discovery of a new quadruply lensed quasar. The lens system, SDSS J1330+1810 at z_s=1.393, was identified as a lens candidate from the spectroscopic sample of the Sl…
Discovery of A Very Bright, Strongly-Lensed z=2 Galaxy in the SDSS DR5
Huan Lin, Elizabeth Buckley-Geer, Sahar S. Allam +8
We report on the discovery of a very bright z = 2.00 star-forming galaxy that is strongly lensed by a foreground z=0.422 luminous red galaxy (LRG). This system was found in a syste…
Five New High-Redshift Quasar Lenses from the Sloan Digital Sky Survey
Naohisa Inada, Masamune Oguri, Min-Su Shin +7
We report the discovery of five gravitationally lensed quasars from the Sloan Digital Sky Survey (SDSS). All five systems are selected as two-image lensed quasar candidates from a…
Spectroscopic Confirmation of the Fifth Image of SDSS J1004+4112 and Implications for the M_BH-sigma_* Relation at z=0.68
Naohisa Inada, Masamune Oguri, Emilio E. Falco +5
We present the results of deep spectroscopy for the central region of the cluster lens SDSS J1004+4112 with the Subaru telescope. A secure detection of an emission line of the fain…
What is the largest Einstein radius in the universe?
Masamune Oguri, Roger D. Blandford
The Einstein radius plays a central role in lens studies as it characterises the strength of gravitational lensing. The distribution of Einstein radii near the upper cutoff should…
Comparison of Cluster Lensing Profiles with Lambda CDM Predictions
Tom Broadhurst, Keiichi Umetsu, Elinor Medezinski +2
We derive lens distortion and magnification profiles of four well known clusters observed with Subaru. Each cluster is very well fitted by the general form predicted for Cold Dark…