Table 1.
Quasar sample selection.
| All redshifts | |||
|---|---|---|---|
| Number | Fraction | ||
| All quasars | 21 812 | 1 | |
| All quasars, LDR1 detected | 3079 | 0.14 | |
| BALQSOs | 1045 | 0.048 | |
| BALQSOs, LDR1 detected | 249 | 0.011 | |
| 1.7 ≤ z ≤ 4.3 | |||
| All quasars | 12 667 | 1 | |
| All quasars, LDR1 detected | 1615 | 0.13 | |
| BALQSOs | 976 | 0.077 | |
| BALQSOs, LDR1 detected | 226 | 0.018 | |
| LoBALs | 121 | 0.0096 | |
| LoBALs, LDR1 detected | 48 | 0.0038 | |
Notes. The numbers reflect only the quasars which are cross-matched between Pan-STARRS and DR7/DR12, which are over 99% of the sources within the LDR1 Multi-Order Coverage map (MOC).
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