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Table 1.
Position of the eRASS1 J050129.5−073309 components.
Component | Telescope | α(2000.0) | err α | δ(2000.0) | err δ | Δα | err Δα | Δδ | err Δδ |
---|---|---|---|---|---|---|---|---|---|
[deg] | [mas] | [deg] | [mas] | [″] | [mas] | [″] | [mas] | ||
Image A | Gaia | 75.372574 | 0.05 | −7.551979 | 0.04 | – | – | – | – |
Image B | Gaia | 75.373176 | 0.06 | −7.551526 | 0.05 | 2.17 | 0.08 | 1.63 | 0.06 |
Lensing galaxy | DECals DR10 | 75.3727 | 11.89 | −7.5516 | 11.11 | 0.38 | 11.89 | 1.49 | 11.11 |
Foreground star | Gaia | 75.373665 | 1.58 | −7.551639 | 1.11 | 3.93 | 1.58 | 1.22 | 1.11 |
Notes. The quasar images and the foreground star are detected by both Gaia and LS DR10, while the lensing galaxy is only detected by LS DR10. We also list the relative position (Δα, Δδ) of the sources in the field of view with respect to the Gaia position of image A.
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