First Lensed Quasar Systems from the VST-ATLAS Survey: One Quad, Two Doubles, and Two Pairs of Lensless Twins

First Lensed Quasar Systems from the VST-ATLAS Survey: One Quad, Two Doubles, and Two Pairs of Lensless Twins

We have analyzed images from the VST-ATLAS survey to identify candidate gravitationally lensed quasar systems in a sample of WISE sources with W1 - W2 ≥ 0.7.. Results from follow-up spectroscopy with the Baade 6.5 m telescope are presented for eight systems. One of them is a quadruply lensed quasar,...

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Bibliographic Details
Main Authors: Chehade, B. (Author), Metcalfe, N. (Author), Shanks, T. (Author), McDonald, Michael A. (Contributor), Morgan, Nicholas D. 1975- (Author), Schechter, Paul L. (Author)
Other Authors: MIT Kavli Institute for Astrophysics and Space Research (Contributor), Schechter, Paul L (Contributor)
Format: Article
Language:English
Published: IOP Publishing, 2017-11-01T15:42:52Z.
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