Table 1.
Model parameters for elliptical accretion-disk model.
| Par. | Units | Model | Elli. |
|---|---|---|---|
| Rin | RG | [100, 600] | 166 ± 90 |
| Rout | RG | k0 × Rin (k0 ∈ [1.5, 5]) | 880 ± 113 |
| Rout2 | RG | k × Rout (k ∈ [1.5, 5]) | 1006 ± 260 |
| RG | 1236 ± 370 | ||
| RG | 1340 ± 502 | ||
| RG | 1900 ± 764 | ||
| sin(i) | [0.3, 0.9] | 0.62 ± 0.03 | |
| q | [−3, 3] | −0.103 ± 0.687 | |
| e | [0, 0.95] | 0.133 ± 0.018 | |
| σL | km/s | [500, 3000] | 1893 ± 200 |
| km/s | 750 ± 164 | ||
| km/s | 1720 ± 220 | ||
| km/s | 1818 ± 198 | ||
| km/s | 2515 ± 357 | ||
| ϕ0 | rad | [0, 2π] | 0.12 ± 0.04 |
Notes. The first column and the second column show the applied model parameters and the corresponding units. The third column shows the limited range ([lower boundary, upper boundary]) of each model parameter in the elliptical accretion-disk model leading to the artificial fλ1 and fλ2. The fourth column shows the determined model parameters in the elliptical accretion-disk model applied to describe the time-dependent line profiles of broad Hα in AT 2018hyz. In the fourth column, the five values in Rout and Rout2 and the five values in σL are for the five broad Hαs with Δt = 17, 51, 117, 120, and 164 days.
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