Open Access
Table 4.
Best-fit values for the synchrotron-cooling ballistic plasmon model parameters (see Eq. (3) and Fig. 5).
| Parameter | Value | Note | ||
|---|---|---|---|---|
| Lensing | Time delay (days) | Δt | 25 ± 3 | Depends on plasmon model and data weights |
| Differential magnification | ℛq | 1.24 ± 0.04 | Weakly coupled to Δt | |
| Core | Flux density of the core (Jy) | Ic | 0.178 ± 0.010 | Bounded < 0.18 Jy |
| Spectral index of the core | αc | 0 | Fixed | |
| Plasmon | Age of the plasmon at t0 (days) | 120 ± 30 | Depends on plasmon model and data weights | |
| Flux density of the plasmon at t0 (Jy) | Ip | 1.51 ± 0.09 | Weakly coupled to t0 | |
| Power of the plasmon flux-density decay | β | −2.2 ± 0.4 | Strongly coupled to t0 | |
| Plasmon spectral index | αp | −0.89 ± 0.02 | ||
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