Table 3.
Typical characteristics of detectable SNRs in the simulated populations.
| Population | % of realisations | Hadronic | Mean no. | Mean Had. | Mean Lep. | Mean Had. | Mean Lep. | ||
|---|---|---|---|---|---|---|---|---|---|
| parameters | compatible | ratio | detectable | age (kyr) | age (kyr) | dist. (kpc) | dist. (kpc) | ||
| with HGPS | SNRs | ||||||||
| α = 4.2 | Kep = 10−5.0 | η = 0.09 | 97.0 | 0.62 | 16.84 | 2.15 | 4.86 | 5.65 | 4.88 |
| α = 4.2 | Kep = 10−4.5 | η = 0.07 | 96.0 | 0.43 | 16.14 | 1.94 | 4.36 | 5.64 | 4.9 |
| α = 4.15 | Kep = 10−5.0 | η = 0.05 | 95.0 | 0.51 | 16.41 | 2.06 | 5.21 | 5.62 | 4.79 |
| α = 4.2 | Kep = 10−5.0 | η = 0.08 | 93.0 | 0.66 | 13.6 | 2.0 | 4.88 | 5.63 | 5.06 |
| α = 4.1 | Kep = 10−5.0 | η = 0.03 | 92.0 | 0.37 | 19.56 | 2.05 | 5.7 | 5.61 | 4.63 |
| α = 4.2 | Kep = 10−5.0 | η = 0.1 | 92.0 | 0.6 | 20.64 | 2.32 | 4.92 | 5.66 | 4.76 |
| α = 4.25 | Kep = 10−4.0 | η = 0.09 | 87.0 | 0.27 | 19.34 | 1.11 | 4.34 | 5.71 | 5.06 |
| α = 4.15 | Kep = 10−5.0 | η = 0.06 | 86.0 | 0.48 | 22.83 | 2.31 | 5.2 | 5.65 | 4.63 |
| α = 4.15 | Kep = 10−4.5 | η = 0.04 | 85.0 | 0.37 | 15.26 | 1.87 | 4.65 | 5.66 | 4.83 |
| α = 4.2 | Kep = 10−4.5 | η = 0.08 | 85.0 | 0.38 | 22.67 | 2.03 | 4.6 | 5.64 | 4.88 |
| α = 4.25 | Kep = 10−4.0 | η = 0.08 | 83.0 | 0.32 | 13.97 | 0.96 | 4.13 | 5.73 | 5.03 |
| α = 4.2 | Kep = 10−4.0 | η = 0.05 | 76.0 | 0.29 | 15.11 | 1.04 | 4.19 | 5.74 | 5.03 |
| α = 4.2 | Kep = 10−5.0 | η = 0.07 | 74.0 | 0.68 | 10.41 | 1.82 | 4.89 | 5.63 | 5.22 |
| α = 4.25 | Kep = 10−4.5 | η = 0.1 | 74.0 | 0.58 | 10.87 | 1.72 | 4.14 | 5.66 | 5.08 |
| α = 4.2 | Kep = 10−4.0 | η = 0.06 | 73.0 | 0.21 | 24.56 | 1.19 | 4.54 | 5.71 | 5.01 |
| α = 4.1 | Kep = 10−4.0 | η = 0.02 | 70.0 | 0.2 | 19.06 | 1.41 | 4.74 | 5.78 | 4.88 |
| α = 4.2 | Kep = 10−4.5 | η = 0.06 | 69.0 | 0.49 | 11.26 | 1.65 | 4.3 | 5.69 | 4.99 |
| α = 4.3 | Kep = 10−3.5 | η = 0.1 | 69.0 | 0.19 | 18.19 | 0.78 | 4.05 | 5.82 | 5.14 |
| α = 4.15 | Kep = 10−4.5 | η = 0.05 | 68.0 | 0.31 | 25.19 | 2.17 | 4.76 | 5.66 | 4.81 |
| α = 4.25 | Kep = 10−4.0 | η = 0.1 | 66.0 | 0.24 | 25.46 | 1.2 | 4.56 | 5.68 | 5.02 |
| α = 4.15 | Kep = 10−5.0 | η = 0.04 | 61.0 | 0.57 | 10.67 | 1.7 | 5.24 | 5.67 | 5.1 |
| α = 4.15 | Kep = 10−4.0 | η = 0.03 | 60.0 | 0.26 | 14.63 | 1.13 | 4.28 | 5.78 | 4.98 |
| α = 4.25 | Kep = 10−3.5 | η = 0.07 | 50.0 | 0.14 | 26.48 | 0.78 | 4.35 | 5.82 | 5.12 |
Notes. These are the simulated populations found to be the most compatible with the HGPS results, as described in Fig. 11. Column 3: the hadronic ratio is the ratio of the number of SNRs with gamma-ray luminosity dominated by the hadronic component to the total number of SNRs. In Cols. 5–8, Had. and Lep. refer to simulated SNRs dominated by hadronic emission and simulated SNRs dominated by leptonic emission respectively.
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