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Table 1

Tiling completeness correction for BOSS (unique priority level) and the MMT (priorities A through D).

(priority) A B C D

ϵ tiling 0.95 0.90 0.73 0.53 0.50
N tiled 3120 569 461 88 78
N QSO   sel. 860 137 48 8 0

Notes. Row Ntiled indicates the number of observed targets in each category, row NQSO   sel. indicates the number of recovered quasars selected for the determination of the quasar luminosity function described in Sect. 4.3.

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