Fig. 10
Quasar number counts per deg2 as a function of redshift (Δz = 0.2). Blue is for the new sample of quasars identified with our BOSS deep program, green for the previously known BOSS sample, red is for the MMT sample and black for the total. The blue, green and red curves use mutually exclusive samples and correspond to the zones defined in Sect. 4.3.
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