Table 3
Median value of z and qTIR and number of star-forming galaxies in each redshift bin.
| z | Median(z) | N total | N meas | N upper | N lower | q TIR | P 16 | P 84 | (P84 − P16) |
|
|
|||||||||
| 0.005–0.346 | 0.23 | 958 | 425 (44%) | 63 (7%) | 470 (49%) |
|
2.35 | >3.34 | >0.99 |
| 0.346–0.527 | 0.428 | 957 | 421 (44%) | 117 (12%) | 419 (44%) |
|
2.28 | 3.27 | 0.99 |
| 0.527–0.704 | 0.626 | 957 | 402 (42%) | 153 (16%) | 402 (42%) |
|
2.17 | 2.94 | 0.77 |
| 0.704–0.877 | 0.801 | 958 | 376 (39%) | 163 (17%) | 419 (44%) |
|
2.09 | 2.92 | 0.83 |
| 0.877–1.020 | 0.944 | 957 | 361 (38%) | 172 (18%) | 424 (44%) |
|
2.07 | 3.14 | 1.07 |
| 1.020–1.245 | 1.149 | 958 | 312 (33%) | 239 (25%) | 407 (42%) |
|
1.45 | 2.93 | 1.48 |
| 1.245–1.509 | 1.381 | 957 | 299 (31%) | 284 (30%) | 374 (39%) |
|
< − 0.54 | 2.84 | >3.38 |
| 1.509–1.835 | 1.657 | 958 | 295 (31%) | 322 (34%) | 341 (36%) |
|
< − 1.83 | 2.81 | >4.64 |
| 1.835–2.247 | 1.995 | 957 | 355 (37%) | 282 (29%) | 320 (33%) |
|
0.18 | 2.73 | 2.55 |
| 2.247–5.653 | 2.746 | 958 | 336 (35%) | 380 (40%) | 242 (25%) |
|
< − 2.03 | 2.73 | >4.76 |
Notes. A break-down of the number of sources into those with directly measured qTIR values (Nmeas), upper limits on qTIR (Nupper) or lower limits on qTIR (Nlower) is shown, with the fraction of the total shown in brackets. The qTIR is calculated using a doubly-censored survival analysis to incorporate lower and upper limits. Uncertainties on qTIR are calculated using a bootstrap approach and incorporate statistical, measurement and systematic errors. A radio spectral index of α = − 0.7 has been assumed where it is unknown. The 16th and 84th percentiles (P16 and P84) on the measurement of qTIR in each redshift bin are given, as determined via the cumulative distribution function output by the survival analysis. (P84 − P16) is quoted to indicate the spread of the population. We note that limits are given when a value is not constrained by the survival analysis.
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