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Table 3.
Sample size in each step of the screening process for the construction of the final HEC-eR1 sample of star-forming galaxies.
| Steps | Number of galaxies (removed objects) |
|---|---|
| Initial HEC-eR1 galaxy sample (Sect. 2.3) | 93 806 |
| Star-forming based on spectroscopic and photometric activity diagnostics (Sect. 2.4) | 20 392 |
| SFR and M⋆ cuts (Sect. 4.1) | 18 894 (1498) |
| Additional AGN screening (Sect. 4.2) | 18 853 (41) |
| Visual inspection of optical/X-ray images and literature search (Sect. 4.2) | 18 844 (9) |
| Hard X-ray colour cuts (Sect. 4.2) | 18 842 (2) |
| Galaxy clusters and compact group associations (Sect. 4.3) | 18 790 (52) |
| Final HEC-eR1 sample of star-forming galaxies (Sect. 4.4) | 18 790 |
Notes. Numbers in parenthesis indicate the number of galaxies removed in each step of the screening process.
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