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Table 3.

Synopsis of observed multiply imaged QSOs with their largest image separation δθ and measured time delays τ.

Name zl zs δθ τ
(Ref.) [″] [d]
Q0957+561 0.36 1.413 6.0 (417.0 ± 1.5)AB
(1)
RX J0911 0.77 2.800 3.1 (143.0 ± 6.0)A1B
(1) (149.0 ± 8.0)A2B
(154.0 ± 16.0)A3B
SDSS J1004 0.68 1.734 14.6 (40.6 ± 1.8)BA
(2) (821.6 ± 2.1)CA
SDSS J1029 0.58 2.197 22.6 (744 ± 10)AB
(3)
SDSS J2222 0.49 2.82 15.1 (47.7 ± 6.0)AB
(4) (722 ± 24)CA

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