Very close pairs of Quasi-Stellar Objects
Burbidge, G. · Hoyle, F. · Schneider, P.
Original · EN
It is pointed out that there are now known four very close pairs of QSOs with separations < 5 arcsec and very different redshifts. Several estimates of the probability that they are accidental configurations range between 10⁻⁷ and 3.5 x 10⁻³. We conclude either that this is further evidence that QSOs have significant non-cosmological redshift components, or that thave significant non-cosmological redshift components, or that the pairs must be explained by gravitational lensing.
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