most citedDifference Imaging of Lensed Quasar Candidates in the SDSS Supernova Survey Region

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astro-ph2008★ 15 cited

Difference Imaging of Lensed Quasar Candidates in the SDSS Supernova Survey Region

Brian C. Lacki, Christopher S. Kochanek, Krzysztof Z. Stanek +2

Difference imaging provides a new way to discover gravitationally lensed quasars because few non-lensed sources will show spatially extended, time variable flux. We test the method…