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Table 5

Number of expected cluster detections with eROSITA assuming self-similar, no, or slightly negative evolution of the LXT relation.

Self-sim. Ntot Nz > 0.8 Nz > 1 Nz > 1.2 Nz > 1.4 Nz > 1.6

all sky 132 787
extragal. 97 195 5834 2062 699 227 69

no evol. Ntot Nz > 0.8 Nz > 1 Nz > 1.2 Nz > 1.4 Nz > 1.6

all sky 120 965
extragal. 88 238 4297 1414 447 135 38

best fit Ntot Nz > 0.8 Nz > 1 Nz > 1.2 Nz > 1.4 Nz > 1.6

all sky 114 803
extragal. 83 603 3505 1083 320 90 22

Notes. The rows labeled “extragalactic” refer to a Galactic latitude |b| > 20°. A count limit of clim = 100 was assumed.

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