1. Contributions to the light curves from both the
narrow lines and the host galaxy are NOT subtracted.
| Component (Data file reference) | Integration zone (Å) | Mean uncertainties (%) |
|---|---|---|
| H-beta | 5020–5210 | 2.4 |
| H-alpha | 6740–7160 | 5.7 |
| H-alpha | 6777.0–7033.5 a | 5.6 |
| H-gamma | 4458–4702 | 6.1 |
| F5100 | 5360–5425 | 1.3 |
| F6200 | 6484–6608 | 5.8 |
2. Contributions to the light curves from both the
narrow lines and the host galaxy are subtracted. Note that the narrow-line fluxes in 3C 390.3 are variable.
| Component (Data file reference) | Integration zone (Å) | Mean uncertainties (%) |
|---|---|---|
| H-beta | 5020–5210 | 2.6 |
| H-alpha | 6740–7160 | 6.3 |
| H-gamma | 4458–4702 | 8.0 |
| F5100 | 5360–5425 | 1.6 |
| F6200 | 6484–6608 | 11 |