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Table 6

Efficiency-corrected number counts for the BOSS and MMT samples (including, in both cases, the BOSS standard QSOs that were selected but not re-observed) over the magnitude range 22 < g < 22.5 accessible to both samples.

Survey QSO density Raw number
(deg-2) of quasars

BOSS over MMT zone 39.0 ± 5 72
BOSS complete sample 40.2 ± 3 276
MMT 39.1 ± 4 100

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