Fig. 1
Solid line: the result using the z-axis parallel to nfun. Broken line: the result using the z-axis that is at an angle of π/6 with nfun. The catalog used here consists of 1008 objects including 10 pairs of ghosts, and the observer stands at a distance of 1.75 Gpc from lfun (see Sect. 3.2). Vertical scale is linear from 0 to 1 and logarithmic from 1 to 1000.
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