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Table 2.
Relative astrometry for five known quadruply imaged quasars fully detected in the Gaia DR2.
| Identifier | Δα cos(δ) (mas) | Δδ (mas) |
|---|---|---|
| HE0435-1223 | ||
| A | 0.0 ± 0.16 | 0.0 ± 0.14 |
| B | −1476.56 ± 0.19 | 552.94 ± 0.16 |
| C | −2466.27 ± 0.21 | −603.05 ± 0.16 |
| D | −938.66 ± 0.30 | −1614.43 ± 0.25 |
| SDSS1004+4112 | ||
| A | 0.00 ± 0.35 | 0.00 ± 0.52 |
| B | 1315.29 ± 0.36 | 3531.57 ± 0.49 |
| C | −11039.10 ± 0.47 | −4494.69 ± 0.68 |
| D | −8403.23 ± 1.21 | 9701.47 ± 1.50 |
| RXJ1131-1231 | ||
| A | 588.68 ± 0.36 | 1118.89 ± 0.23 |
| B | 617.52 ± 0.39 | 2305.97 ± 0.25 |
| C | 0.0 ± 0.47 | 0.0 ± 0.30 |
| D | −2522.23 ± 1.60 | 1993.80 ± 0.80 |
| 2MASS J1134-2103 | ||
| A | 0.0 ± 0.11 | 0.0 ± 0.07 |
| B | 729.32 ± 0.11 | 1755.49 ± 0.07 |
| C | −1947.39 ± 0.11 | −772.70 ± 0.07 |
| D | −1247.12 ± 0.28 | 1366.93 ± 0.20 |
| WFI2033-4723 | ||
| A1 | −2196.54 ± 0.33 | 1261.42 ± 0.34 |
| A2 | −1483.18 ± 0.26 | 1375.75 ± 0.30 |
| B | 0.0 ± 0.27 | 0.0 ± 0.24 |
| C | −2113.84 ± 0.33 | −277.84 ± 0.32 |
Notes. The image references have been chosen to match those reported either in https://www.cfa.harvard.edu/castles/ or in their reference papers. They are not necessarily the brightest images in the Gaia G-band.
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