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The Sloan Bright Arcs Survey: discovery of seven new strongly lensed galaxies from z= 0.66-2.94

Kubo, Jeffrey M., Allam, Sahar S., Drabek-Maunder, Emily ORCID:, Lin, Huan, Tucker, Douglas, Buckley-Geer, Elizabeth J., Diehl, H. Thomas, Soares-Santos, Marcelle, Hao, Jiangang, Wiesner, Matthew, West, Anderson, Kubik, Donna, Annis, James and Frieman, Joshua A. 2010. The Sloan Bright Arcs Survey: discovery of seven new strongly lensed galaxies from z= 0.66-2.94. Astrophysical Journal Letters 724 (2) , L137. 10.1088/2041-8205/724/2/L137

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We report the discovery of seven new, very bright gravitational lens systems from our ongoing gravitational lens search, the Sloan Bright Arcs Survey (SBAS). Two of the systems are confirmed to have high source redshifts z = 2.19 and z = 2.94. Three other systems lie at intermediate redshift with z = 1.33, 1.82, 1.93 and two systems are at low redshift z = 0.66, 0.86. The lensed source galaxies in all of these systems are bright, with i-band magnitudes ranging from 19.73 to 22.06. We present the spectrum of each of the source galaxies in these systems along with estimates of the Einstein radius for each system. The foreground lens in most systems is identified by a red sequence based cluster finder as a galaxy group; one system is identified as a moderately rich cluster. In total, SBAS has now discovered 19 strong lens systems in the SDSS imaging data, 8 of which are among the highest surface brightness z sime 2-3 galaxies known.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: American Astronomical Society
ISSN: 2041-8205
Date of Acceptance: 18 October 2010
Last Modified: 03 Nov 2022 09:42

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