Table 4.
Line parameters (equivalent width, FWHM, and line flux) of various key spectral features seen in the optical spectra of GOTO0650 throughout its evolution.
| Hα | Hβ | Hγ | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Phase | EW | FWHM | FHα/10−15 | EW | FWHM | FHβ/10−15 | EW | FWHM | FHγ/10−15 |
| (d) | (Å) | (km/s) | (erg/cm2/s) | (Å) | (km/s) | (erg/cm2/s) | (Å) | (km/s) | (erg/cm2/s) |
| 4.1 | 6.1±0.2 | 1880 | – | 7.7±0.2 | 1900 | – | 8.1±0.2 | 1920 | – |
| 4.1 | 6.1±0.3 | 1750 | – | 7.3±0.3 | 1810 | – | 9.0±0.3 | 2040 | – |
| 8.0 | 6.7±0.3 | 1460 | – | 8.2±0.2 | 2050 | – | 9.2±0.3 | 2120 | – |
| 13.0 | 6.8±0.4 | 1720 | – | 8.5±0.3 | 2170 | – | 8.9±0.4 | 2070 | – |
| 16.0 | 8.5±0.3 | 1720 | – | 11.7±0.2 | 1870 | – | 12.7±0.3 | 2000 | – |
| 20.0 | 6.8±0.4 | 1650 | – | 9.0±0.3 | 2180 | – | 8.9±0.4 | 2000 | – |
| 28.1 | −13.6±0.6 | 1010 | 1.9±0.1 | −9.0±0.6 | 1000 | 1.3±0.7 | −6.5±0.7 | 760 | 0.9±0.1 |
| 36.9 | 7.6±0.1 | 1730 | – | 10.9±0.1 | 1930 | – | 12.1±0.1 | 2080 | – |
Notes. Uncertainties correspond to 1σ confidence intervals as estimated via Monte Carlo resampling. The line fluxes are only given for emission lines, and we preserved the sign of EW to flag emission and absorption.
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