Table A.1.
Main properties of the Hβ, [OIII], and Hα+[NII] fits from the continuum-subtracted SDSS spectra of J1010, shown in the bottom-right panel of Fig. A.3..
| Line | FWHM | vs | Line flux × 1015 |
|---|---|---|---|
| (km s−1) | (km s−1) | (erg cm−2 s−1) | |
| Hβ | |||
| (n) | 300±60 | 50±50 | 1.6±0.4 |
| (n) | 200±100 | -160±40 | 0.5±0.4 |
| (i) | 800±100 | -50±20 | 5.0±1.0 |
| (b) | 2300±150 | -380±80 | 5.0±1.0 |
| [OIII] | |||
| (n) | 350±20 | 70±10 | 13±1 |
| (n) | 250±20 | -180±20 | 3±1 |
| (i) | 1000±40 | -10±5 | 39±2 |
| (b) | 2300±150 | -15±20 | 24±4 |
| [NII] | |||
| (n) | 350 | 70 | 7.1±0.1 |
| (n) | 250 | -180 | 1.5±0.2 |
| (i) | 1000 | -10 | 8.2±0.5 |
| (b) | 2300 | -15 | 5.4±0.4 |
| Hα | |||
| (n) | 300 | 50 | 7.1±0.1 |
| (n) | 200 | -160 | 2.0±0.1 |
| (i) | 800 | -50 | 18±1 |
| (b) | 2300 | -380 | 22±2 |
| (b) | 3400±100 | -1000±70 | 24±2 |
Notes. Measurements without errors correspond to parameters that have been fixed. The columns report the FWHM, the velocity shift (vs), and the integrated flux obtained from the fits with several Gaussian components including narrow (n), intermediate (i), and broad (b). Velocity shifts are relative to the systemic velocity, calculated from the flux weighted wavelength between the two narrow [OIII] peaks, as in Speranza et al. (2024).
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