Table 1.
Statistics of photometric redshift performance for the KiDS-Bright sample and selected subsamples.
| Sample | Number of | Mean | Mean of | Mean of | St. dev. of | SMAD of |
|---|---|---|---|---|---|---|
| galaxies | redshift | δz = zph − zsp | δz/(1 + zsp) | δz/(1 + zsp) | δz/(1 + zsp) | |
| Full KiDS-Bright (a) | 1.24 × 106 | 0.226 | 1.2 × 10−4 | 6.7 × 10−4 | 0.0246 | 0.0180 |
| After masking (b) | 1.00 × 106 | 0.229 | 4.6 × 10−4 | 9.0 × 10−4 | 0.0237 | 0.0178 |
| Red galaxies (c) | 3.91 × 105 | 0.243 | −2.7 × 10−4 | 2.0 × 10−4 | 0.0194 | 0.0159 |
| Blue galaxies (c) | 4.25 × 105 | 0.212 | 1.5 × 10−3 | 1.8 × 10−3 | 0.0274 | 0.0200 |
| Luminous red galaxies (d) | 7.18 × 104 | 0.305 | 1.1 × 10−3 | 1.1 × 10−3 | 0.0161 | 0.0141 |
Notes. The sample sizes refer to the full photometric selection.
Flux-limited galaxy sample (rAUTO < 20); see Sect. 2.3 for other details of the selection.
Using the KiDS MASK flag, removing the sources meeting the condition (MASK & 28668) > 0 (bit-wise).
Selected using the r-band absolute magnitude and rest-frame u − g color based on LEPHARE output; see Sect. 4 for details.
Selected using the Bayesian model detailed in Vakili et al. (2020), jointly encompassing the “dense” and “luminous” samples. Numbers refer to the LRGs overlapping with the KiDS-Bright sample and the photo-z statistics are based on the ANNz2 derivations.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.