Table 2.
Constraints on [CII]-158 μm in four tomographic bins.
| zmedian | (zmin, zmax) | Iν[CII] (kJy/sr) | 3σ upper bound |
|---|---|---|---|
| .65 | (.33, .86) | 11.8 ± 10.2 | < 41 kJy/sr |
| 1.3 | (1.0, 1.6) | 11.0 ± 8.7 | < 37 kJy/sr |
| 2.1 | (1.6, 2.3) | 9.6 ± 9.8 | < 39 kJy/sr |
| 2.6 | (2.3, 2.9) | 9.2 ± 6.6 | < 29 kJy/sr |
Notes. The median redshift of emitters within the given redshift range in COSMOS2020 is zmedian, while (zmin, zmax) are the bin edges used within the LinSimStack stacking framework. The uncertainties are quoted at 1σ, and are propagated from uncertainties in the stacked flux estimates and the SED fit, weighted by number counts in each bin. The tomographic measurements range have S/Ns between 0.96 − 1.4, with a total S/N of 2.42. Our constraints, particularly the 3σ upper limits, indicate a preference for the lower intensity models of [CII]-158 μm intensity history.
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