Table 3.
Nebular emission lines for GS-z12.
| Line(s) | Flux | EW | |
|---|---|---|---|
| PRISM | N IV]λ1486 | < 3.3 | < 6.4 |
| C IVλλ1549,1551 | < 3.3 | < 5.5 | |
| He IIλ1640 | < 2.6 | < 4.2 | |
| O III]λλ1661,1666 (a) | (6.0 ± 2.6) | 8 ± 3 | |
| N III]λλ1747–1754 | < 2.2 | < 3.8 | |
| C III]λλ1907,1909 (a) | 12.4 ± 2.5 | 30 ± 7 | |
| [Ne IV]λλ2422,2424 | < 1.0 | < 3.9 | |
| Mg IIλλ2796,2803 | < 0.8 | < 4.6 | |
| [Ne V]λ3426 | < 1.0 | < 8.6 | |
| [O II]λλ3726,3729 (a) | (3.5 ± 0.8) | 41 ± 12 | |
| [Ne III]λ3869 (a) | (3.3 ± 0.9) | 39 ± 13 | |
| G140M | Lyα | < 5.8 | – |
| N Vλλ1239,1243 | < 6.1 | – | |
| G395M | [Ne IV]λλ2422,2424 | < 1.2 | – |
| Mg IIλλ2796,2803 | < 1.3 | – | |
| [Ne V]λ3426 | < 2.9 | – | |
| [O II]λλ3726,3729 | < 1.7 | – | |
| [Ne III]λ3869 | < 2.7 | – | |
Notes. Spectral measurements from the three dispersers. Fluxes are in units of 10−20 erg s−1 cm−2, EWs are in (rest-frame) Å. All uncertainties and upper limits are one standard deviation. Empty entries in the EW column are due to weak or non-detected continuum. The only secure detection, C III], is highlighted in bold. Fluxes in round parentheses (O III], [O II] and [Ne III]) are considered not detected (Sect. 2.3). All uncertainties use the conservative uncertainties from the data reduction pipeline (a discussion of alternative estimates of the uncertainties is given in Appendix A).
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