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Published June 1987 | Published
Journal Article Open

Discovery of a binary quasar

Abstract

The paper reports the discovery of a pair of quasars with a redshift of 1.345, separated by 4.2 arcsec in projection, apparently associated with the radio source PKS 1145-071. The imaging CCD, spectroscopic, and radio observations are presented. The possibility that this pair is situated towards a high-redshift galaxy cluster is discussed.

Additional Information

© 1987 ESO. Provided by the NASA Astrophysics Data System. It is a pleasure to thank T. Courvoisier for extremely stimulating discussions and advice.

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August 19, 2023
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