Open Access

Table 1

Number of sources with different S/N thresholds.

Field S/N ≥ 1 S/N ≥ 3 S/N ≥ 5 S/N ≥ 7
(1) 38.304 37.002 34.856 32.740
(2) 0.889 0.816 0.710 0.621
(3) 0.929 0.810 0.684 0.590

Notes. Number of sources per square arcminute in the three fields: (1) Omega Centauri cluster, (2) Fornax galaxy cluster, and (3) “Empty” CDF-S.

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