Table 2.
Number of images available to infer the number counts before and after applying our selection criteria.
| ALMA Band | Blind survey images | Single pointings | Precisely targeted pointings | With serendipitous detection |
|---|---|---|---|---|
| Band 3 | 5 | 413 | 68 | 7 |
| Band 4 | 2 | 158 | 75 | 16 |
| Band 5 | 0 | 12 | 0 | 0 |
| Band 6 | 24 | 1319 | 361 | 60 |
| Band 7 | 0 | 1926 | 734 | 94 |
| Band 8 | 0 | 42 | 12 | 0 |
| Band 9 | 0 | 19 | 6 | 3 |
Notes. For each ALMA band the total number of single pointings and blind survey images is given (the latter not affected by selection bias). The next columns list the number of single pointings that contain a detected source at a distance < 1 arcsec from the phase centre (called the precisely targeted pointings) and among those the number of pointings that contain at least one serendipitous detection outside of the central mask of 1 arcsec radius (Band 7: 4 arcsec).
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