Open Access

Table 1.

DLA sample selection.

Criteria SDSS DR12 SDSS DR16
log(NH I/cm−2) ≥ 20.3 19 535 30 019 (Conf > 0.5)
1.97 ≤ zabs ≤ 4
log(NH I/cm−2) ≥ 21.0 1139 1531
β ≥ 5000 km s−1
non-BAL
zabs> z(Lyβ)
CNR ≥ 4 1139 930
Unique DLAs in DR16 577

Total Sample 1716

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