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Title: Multiple imaging of quasars by galaxies and clusters
Authors: Narayan, R.
Blandford, R.
Nityananda, R.
Issue Date: 12-Jul-1984
Publisher: Nature Publishing Group
Citation: Nature, 1984, Vol.310, p112-115
Abstract: Multiply-imaged quasars have generally been explained as a combination of gravitational lensing by galaxies and magnification by clusters. The observational difficulties with this view suggest that some such quasars may be more naturally interpreted as images split by the cores of very rich clusters. The observational distinctions between the two models are discussed.
Description: Restricted Access.
ISSN: 0028-0836
1476-4687 (online)
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Copyright: 1984 Nature Publishing Group
Appears in Collections:Research Papers (A&A)

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