Table 3
Combinations of SNR age, t and separation distance, Δd for the model curves that best match the LHAASO data, listed in ranked order according to χ2.
| Cloud | t (kyr) | Δd (pc) | SN type | χ2 |
|---|---|---|---|---|
| MML[2017]4607 | 1 | 37 | Ia | 5.1 |
| FKT[2022] | 4 | 37 (*) | Ia | 6.7 |
| FKT[2022] | 4 | 57 | Ia | 9.2 |
| FKT[2022] | 4 | 57 | II | 15.5 |
| FKT[2022] | 8 | 24 (**) | II | 17.0 |
| MML[2017]4607 | 4 | 24 (**) | II | 24.4 |
| MML[2017]4607 | 2 | 37 | II | 25.0 |
| MML[2017]4607 | 1 | 24 | Ia | 28.2 |
Notes. These curves are shown in Fig. 3. (*)Model curves for the same SNR age yet with smaller distances provided a comparable fit to the LHAASO data, but they severely overestimated the LST-1 upper limits and are hence not shown. (**)Model curves for the same SNR age yet with a distance of 10 pc and 15 pc were comparable to the 24 pc distance quoted.
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