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Table 2.
Microlensing optical depth for galaxy halos.
| System | Image | R | κ* | κ | κc | κ*/κ | τ |
|---|---|---|---|---|---|---|---|
| (kpc) | |||||||
| HE1104−1805 | A | 7.88 | 0.050 ± 0.019 | 0.625 | 0.575 | 0.080 | 0.117 ± 0.045 |
| B | 15.29 | 0.014 ± 0.005 | 0.318 | 0.304 | 0.044 | 0.020 ± 0.007 | |
| HE0435−1223 | A | 7.52 | 0.037 ± 0.014 | 0.462 | 0.425 | 0.080 | 0.064 ± 0.024 |
| B | 6.77 | 0.043 ± 0.016 | 0.517 | 0.474 | 0.083 | 0.082 ± 0.031 | |
| RXJ1131−1231 | A | 9.37 | 0.017 ± 0.006 | 0.442 | 0.425 | 0.038 | 0.029 ± 0.010 |
| C | 9.52 | 0.016 ± 0.006 | 0.422 | 0.406 | 0.038 | 0.027 ± 0.010 | |
| WFI2033−4723 | B | 10.23 | 0.031 ± 0.012 | 0.380 | 0.349 | 0.082 | 0.047 ± 0.019 |
| C | 7.44 | 0.055 ± 0.021 | 0.610 | 0.555 | 0.090 | 0.123 ± 0.060 |
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