Open Access
Table 1.
Applied selection steps.
| Step | Description | Remaining sources |
|---|---|---|
| 0 | Initial catalogue | ∼3 × 106 |
| 1 | Well detected point sources | 102 620 |
| 2 | Hardness ratio cuts | 27 670 |
| 3 | Cross-match | 554 |
| 4 | Screening | 41 |
| 5 | Exclude known INSs | 33 |
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