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Serendipitous Discovery of a Physical Binary Quasar at z = 1.76

13 Apr 2020, 16:00 UTC
Serendipitous Discovery of a Physical Binary Quasar at z = 1.76
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E. Altamura et al 2020 AJ 159 122
Two quasars have been serendipitously discovered just 76 kpc apart; they are confirmed to lie at the same redshift and appear to represent a small-separation physical quasar binary.

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