Open Access

Table A.1.

Emission line fluxes and main line ratios measured for cubes at different stages of reduction.

cube0 cube1 cube2 cube3
F(Hα) [10−18] 3.85 ± 0.23 (+0.8%) 4.09 ± 0.18 (+7.1%) 3.82 ± 0.15 3.82 ± 0.15 (+0.0%)
F(Hβ) [10−18] 1.52 ± 0.13 (+4.8%) 1.56 ± 0.10 (+7.6%) 1.45 ± 0.09 1.36 ± 0.08 (−6.2%)
F([O III]λ5007) [10−18] 6.11 ± 0.37 (+3.2%) 6.07 ± 0.28 (+2.5%) 5.92 ± 0.23 5.54 ± 0.22 (−6.4%)
F([O III]λ4959) [10−18] 2.18 ± 0.15 (+4.8%) 2.12 ± 0.12 (+1.9%) 2.08 ± 0.11 1.94 ± 0.10 (−6.7%)
Hα/Hβ 2.54 ± 0.27 (−3.8%) 2.62 ± 0.20 (−0.8%) 2.64 ± 0.19 2.81 ± 0.20 (+6.4%)
[O III]λ5007/Hβ 4.03 ± 0.42 (−1.5%) 3.89 ± 0.30 (−4.9%) 4.09 ± 0.29 4.06 ± 0.29 (−0.7%)

Notes. Cube0 is the cube fully-reduced (including background subtraction) with the standard JWST-NIRSpec pipeline; cube1 includes the post-processing but only a scalar-median background treatment; cube2 includes post-processing and the final background subtraction; in addition to the latter, cube3 also includes the PSF correction. Relative differences, with respect to cube2, are given within parenthesis, in % values. We remind that cube3 is the final version used in the analyses of the main text; nevertheless, cube2 offers a more direct reference for comparison among the other non-PSF corrected cubes. All values in the table refer to spectra measured within the D1 mask; see Fig. 2.

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