Open Access
Table 1
Descriptions of the properties provided for each lensed QSO system in our final catalogue H22.
| All candidates | |
|---|---|
| This catalogue contains 971 candidates identified in this work | |
| Columns | Description |
| internal_ID | Internal ID that links this system to QGC |
| RA | Right ascension (J2000) |
| Dec | Declination (J2000) |
| S_RF | One of the scores defined in Sect. 3.2.1 |
| S_colour | One of the scores defined in Sect. 3.2.1 |
| Sep_max | Maximum image separation in arcseconds |
| Sep_min | Minimum image separation in arcseconds |
| Sep_mean | Mean image separation in arcseconds |
| Grade | Grades of lensed QSO candidates (A, B, or C) |
| Grade_by_LR | Grades of lensed QSO candidates (A, B, or C) that are given independently by the fourth author |
| NUM_of_IMGs | Number of images |
| in_RLQ | Whether this candidate exists in RLQ |
| in_D22 | Whether this candidate exists in D22 |
| in_L22 | Whether this candidate exists in L22 |
| Grade_by_D22 | Grades of lensed QSO candidates (A, B, or C) given in D22 |
| Classification_by_L22 | The classification in L22 (lens, NIQ, projected QSOs, or QSO pairs) |
| q | Axis ratio of SIE profile given by lens modelling |
| phi | Position angle of SIE profile (+x-axis is zero, counterclockwise is positive) given by lens modelling |
| rein | Einstein radius given by lens modelling |
| Minimised χ2 | The χ2 that calculated by the best-fitted lens model and observation data |
| BIC | The Bayesian information criterion that is defined in Sect. 4.3. |
| Note | Comments on this lensed QSO candidate |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.