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Multiple imaging of quasars by galaxies and clusters

Nature volume 310, pages 112–115 (1984)Cite this article

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.

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Author information

Authors and Affiliations

  1. Theoretical Astrophysics, California Institute of Technology, Pasadena, California, 91125, USA

    Ramesh Narayan & Roger Blandford

  2. Princeton University Observatory, Princeton, New Jersey, 08544, USA

    Rajaram Nityananda

  3. Raman Research Institute, Bangalore, 560080, India

    Rajaram Nityananda

  4. Raman Research Institute, Bangalore, 560080, India

    Ramesh Narayan

Authors
  1. Ramesh Narayan
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  2. Roger Blandford
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  3. Rajaram Nityananda
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Narayan, R., Blandford, R. & Nityananda, R. Multiple imaging of quasars by galaxies and clusters. Nature 310, 112–115 (1984). https://doi.org/10.1038/310112a0

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