Sky distribution of the clusters and their surface density in the CLASSIX survey with the extension into the zone of avoidance in equatorial coordinates. The survey is bounded by an interstellar hydrogen column density limit of nH ≤ 2.5 × 1021 cm−2. The white contours show the hydrogen column density boundary of nH = 1.5 × 1021 cm−2. The red lines indicate the Galactic latitudes of |bII|= ± 20°. The yellow dashed line marks the Supergalactic plane and the colour coding is the same as in Fig. 4.
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