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Observation and Confirmation of Six Strong Lensing Systems in The Dark Energy Survey Science Verification Data
B. Nord, E. Buckley-Geer, H. Lin +89
We report the observation and confirmation of the first group- and cluster-scale strong gravitational lensing systems found in Dark Energy Survey (DES) data. Through visual inspect…
The mass-sheet degeneracy and time-delay cosmography: Analysis of the strong lens RXJ1131-1231
Simon Birrer, Adam Amara, Alexandre Refregier
We present extended modeling of the strong lens system RXJ1131-1231 with archival data in two HST bands in combination with existing line-of-sight contribution and velocity dispers…
Gravitational lens modeling with basis sets
Simon Birrer, Adam Amara, Alexandre Refregier
We present a strong lensing modeling technique based on versatile basis sets for the lens and source planes. Our method uses high performance Monte Carlo algorithms, allows for an…