Open Access
Table 1
Datasets used in the different numerical experiments in Sect. 6.
| Dataset | I | II | III |
|---|---|---|---|
| Subsection | 6.1 | 6.2–6.3 | 6.4 |
| Source | Point sources | Boötes field | M31 |
| Data type | Simulation | Actual observations | Simulation |
| Antenna layout | SKA-LOW core | LOFAR core stations | SKA-LOW core |
| Number of stations | 94–362 | 50 | 251 |
| Longest baseline (in wavelength) | 195–3241 | 4813 | 605 |
| Frequency (MHz) | 100 | 145.8 | 100 |
| Bandwidth (MHz) | 1 | 0.1 | 1 |
| Number of integration times | 7 | 72 | 11 |
| Time resolution (s) | 4800 | 400 | 2880 |
| Total number of baselines (×103) | 31–457 | 68.4 | 31.6 |
| FOV (deg) | 5.0 | 6.0 | 6.5 |
| Image size (pix) | 288×288−10.000×10.000 | 3072 × 3072 | 256 × 256 |
| PSNR (dB) | 20 | – | 20 |
| Nominal resolution (arcsec) | See Table 2 | 14.3 | 113.6 |
| Resolution used (arcsec) | See Table 2 | 7.0 | 91.4 |
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