Table 4.
Open in new tab

Comparison between the values of the time delays derived from the first-order equations and the real SIE lens model ones. The corresponding lensed image configurations are represented in Fig. 5. The time delays are expressed in days.

ModelTime delaysTime delays
indexzszl(real)(to first order)
#11.6950.039Δt01   1.95   1.97
Δt02   0.76   0.76
Δt03   1.97   1.99
#21.6950.217Δt01   3.44   3.47
Δt02   0.70   0.70
Δt03   2.98   3.01
#31.6950.54Δt01   29.47   29.68
Δt02   8.59   8.59
Δt03   30.34   30.55
#41.6950.97Δt01   47.91   48.32
Δt02   14.14   14.14
Δt03   45.19   45.60
#52.3500.039Δt01   0.29   0.30
Δt02   −0.002   −0.002
Δt03   0.37   0.38
#62.3500.263Δt01   8.37   8.37
Δt02   −0.25   −0.25
Δt03   8.15   8.15
#72.3500.66Δt01   6.32   6.40
Δt02   2.04   2.04
Δt03   6.55   6.63
#82.3501.294Δt01   35.11   36.03
Δt02   14.47   14.47
Δt03   42.55   43.47
ModelTime delaysTime delays
indexzszl(real)(to first order)
#11.6950.039Δt01   1.95   1.97
Δt02   0.76   0.76
Δt03   1.97   1.99
#21.6950.217Δt01   3.44   3.47
Δt02   0.70   0.70
Δt03   2.98   3.01
#31.6950.54Δt01   29.47   29.68
Δt02   8.59   8.59
Δt03   30.34   30.55
#41.6950.97Δt01   47.91   48.32
Δt02   14.14   14.14
Δt03   45.19   45.60
#52.3500.039Δt01   0.29   0.30
Δt02   −0.002   −0.002
Δt03   0.37   0.38
#62.3500.263Δt01   8.37   8.37
Δt02   −0.25   −0.25
Δt03   8.15   8.15
#72.3500.66Δt01   6.32   6.40
Δt02   2.04   2.04
Δt03   6.55   6.63
#82.3501.294Δt01   35.11   36.03
Δt02   14.47   14.47
Δt03   42.55   43.47
Table 4.
Open in new tab

Comparison between the values of the time delays derived from the first-order equations and the real SIE lens model ones. The corresponding lensed image configurations are represented in Fig. 5. The time delays are expressed in days.

ModelTime delaysTime delays
indexzszl(real)(to first order)
#11.6950.039Δt01   1.95   1.97
Δt02   0.76   0.76
Δt03   1.97   1.99
#21.6950.217Δt01   3.44   3.47
Δt02   0.70   0.70
Δt03   2.98   3.01
#31.6950.54Δt01   29.47   29.68
Δt02   8.59   8.59
Δt03   30.34   30.55
#41.6950.97Δt01   47.91   48.32
Δt02   14.14   14.14
Δt03   45.19   45.60
#52.3500.039Δt01   0.29   0.30
Δt02   −0.002   −0.002
Δt03   0.37   0.38
#62.3500.263Δt01   8.37   8.37
Δt02   −0.25   −0.25
Δt03   8.15   8.15
#72.3500.66Δt01   6.32   6.40
Δt02   2.04   2.04
Δt03   6.55   6.63
#82.3501.294Δt01   35.11   36.03
Δt02   14.47   14.47
Δt03   42.55   43.47
ModelTime delaysTime delays
indexzszl(real)(to first order)
#11.6950.039Δt01   1.95   1.97
Δt02   0.76   0.76
Δt03   1.97   1.99
#21.6950.217Δt01   3.44   3.47
Δt02   0.70   0.70
Δt03   2.98   3.01
#31.6950.54Δt01   29.47   29.68
Δt02   8.59   8.59
Δt03   30.34   30.55
#41.6950.97Δt01   47.91   48.32
Δt02   14.14   14.14
Δt03   45.19   45.60
#52.3500.039Δt01   0.29   0.30
Δt02   −0.002   −0.002
Δt03   0.37   0.38
#62.3500.263Δt01   8.37   8.37
Δt02   −0.25   −0.25
Δt03   8.15   8.15
#72.3500.66Δt01   6.32   6.40
Δt02   2.04   2.04
Δt03   6.55   6.63
#82.3501.294Δt01   35.11   36.03
Δt02   14.47   14.47
Δt03   42.55   43.47
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