Discovery of four gravitational lensing systems by clusters in the SDSS DR6
Zhong-Lue Wen, Jin-Lin Han, Xiang-Yang Xu, Yun-Ying Jiang, Zhi-Qing, Guo, Peng-Fei Wang, Feng-Shan Liu
TL;DR
This paper reports the discovery of four strong gravitational lensing systems in SDSS DR6, including Einstein rings and giant arcs, identified through visual inspection, with additional probable and possible lenses found.
Contribution
The study introduces a new set of gravitational lensing systems identified in SDSS DR6, expanding the catalog of known lenses through visual inspection methods.
Findings
4 confirmed lensing systems discovered
2 Einstein rings and 2 giant arcs identified
Additional probable and possible lenses found
Abstract
We report the discovery of 4 strong gravitational lensing systems by visual inspections of the Sloan Digital Sky Survey images of galaxy clusters in Data Release 6 (SDSS DR6). Two of the four systems show Einstein rings while the others show tangential giant arcs. These arcs or rings have large angular separations (>8") from the bright central galaxies and show bluer color compared with the red cluster galaxies. In addition, we found 5 probable and 4 possible lenses by galaxy clusters.
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