Open Access
Table 1.
Summary of the samples.
| Sample | Description | Size |
|---|---|---|
| (1) | (2) | (3) |
| Main | cluster X-ray AGN | 82 |
| Control (i) | field X-ray AGN | 1987 |
| Control (ii) | cluster galaxies | 1914 |
| Control (iii) | field X-ray AGN | 166 |
| Control (iv) | cluster galaxies | 208 |
Notes. Control samples (iii) and (iv) were directly derived from the larger respective samples (i) and (ii) in a manner that preserves their properties and enables visual inspection.
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