Table 3.
Summary of FP and FN distributions.
| CLMs | FPs | FPs/NCLMs | |
|---|---|---|---|
| Total number | 1187 | 139 | 0.084 |
| F814 < 25.0 | 96.6% | 97.8% | 0.131 |
| F814 ≥ 25.0 | 3.4% | 2.2% | 0.005 |
| (F606 − F814)diff < −0.5 | 5.8% | 4.3% | 0.008 |
| (F606 − F814)diff < 0.0 | 60.8% | 70.5% | 0.070 |
| (F606 − F814)diff ≥ 0.0 | 39.2% | 29.5% | 0.161 |
| NCLMs | FNs | FNs/CLMs | |
| Total number | 1655 | 181 | 0.152 |
| F814 < 25.0 | 62.7% | 79.0% | 0.125 |
| F814 ≥ 25.0 | 37.3% | 21.0% | 0.950 |
| (F606 − F814)diff < −0.5 | 43.2% | 35.4% | 0.928 |
| (F606 − F814)diff < 0.0 | 84.6% | 83.4% | 0.209 |
| (F606 − F814)diff ≥ 0.0 | 15.4% | 16.6% | 0.065 |
Notes. Fractions of CLMs (Col. 2), False Positives (FPs) (Col. 3) and the ratio of FPs to NCLMs (Col. 4) as a function of magnitude (second and third row) and colours (fourth to sixth row). The total number of spectroscopic CLMs and FPs are quoted in the first row. Fractions as a function of colours are computed only for sources whose F814 and F606W magnitudes are available (∼84% of the whole dataset). Similar fractions for NCLMs, FNs (False Negatives) and FNs/CLMs are quoted in the bottom half of the table.
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