Table 1
Summary of imaging data released in KiDS-DR5.
| Telescope and Camera | Filter | λcen (Å) | Exp. time (s) | Mag. lim. (corr) (5σ 2″ AB) | Mag. lim. (uncor) (5σ 2″ AB) | PSF FWHM (″) | Area (deg2) |
|---|---|---|---|---|---|---|---|
| VST (OmegaCAM) | u | 3 550 | 1000 | 24.17 ± 0.10 | 24.26 ± 0.10 | 1.01 ± 0.17 | 1 312.1 |
| 𝑔 | 4 775 | 900 | 24.96 ± 0.11 | 25.15 ± 0.12 | 0.88 ± 0.15 | 1 270.7 | |
| r | 6 230 | 1800 | 24.79 ± 0.13 | 25.07 ± 0.14 | 0.70 ± 0.12 | 1 233.8 | |
| i1 | 7 630 | 1200 | 23.41 ± 0.26 | 23.66 ± 0.25 | 0.81 ± 0.18 | 1 246.2 | |
| i2 | 7 630 | 1200 | 23.49 ± 0.28 | 23.73 ± 0.30 | 0.81 ± 0.18 | 1 264.4 | |
| VISTA (VIRCAM) | Z | 8 770 | 480 | 23.47 ± 0.20 | 23.79 ± 0.20 | 0.90 ± 0.10 | 1 262.0 |
| Y | 10200 | 400 | 22.72 ± 0.18 | 23.02 ± 0.19 | 0.86 ± 0.09 | 1 261.4 | |
| J | 12520 | 400 | 22.53 ± 0.20 | 22.72 ± 0.20 | 0.85 ± 0.07 | 1 262.7 | |
| H | 16 450 | 300 | 21.94 ± 0.24 | 22.27 ± 0.24 | 0.88 ± 0.09 | 1 258.3 | |
| Ks | 21 470 | 480 | 21.75 ± 0.19 | 22.02 ± 0.19 | 0.87 ± 0.08 | 1 258.1 | |
Notes. Limiting magnitudes are constructed in two ways as described in Appendix A. One method accounts for pixel-to-pixel correlations in the noise background (‘corr’), but is likely contaminated by contamination by source flux and therefore underestimates the true depth of the imaging. The second method does not account for pixel-to-pixel correlations in the noise background (‘uncor’) but it is robust to contamination from sources, and therefore likely overestimates the true depth of the imaging. These estimates therefore bracket the true depth of the imaging released in KiDS-DR5. For quoted limiting magnitudes and PSF sizes, the uncertainties describe the variations in these metrics between the 1 deg2 fields on-sky.
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