Table 7

Proton distribution parameters derived from the VHE gamma-ray spectra of the 29 subregions, assuming a neutral pion decay origin of the gamma-ray emission.

Reg. Part. index Wp ( >1 TeV)
(1048 erg cm−3)
1 0.91 ± 0.09
2 1.82 ± 0.11 1.51 ± 0.11
3 1.95 ± 0.10 1.52 ± 0.12
4 1.76 ± 0.11 1.24 ± 0.10
5 1.96 ± 0.11 1.27 ± 0.10
6 1.70 ± 0.09 2.37 ± 0.17
7 1.74 ± 0.08 2.48 ± 0.15
8 1.81 ± 0.05 3.07 ± 0.13
9 1.94 ± 0.06 3.9 ± 0.2
10 1.78 ± 0.10 2.29 ± 0.15
11 1.85 ± 0.08 1.91 ± 0.11
12 1.72 ± 0.09 1.91 ± 0.13
13 1.74 ± 0.07 2.07 ± 0.11
14 1.87 ± 0.06 2.19 ± 0.11
15 2.14 ± 0.07 3.3 ± 0.2
16 2.01 ± 0.08 2.71 ± 0.19
17 1.79 ± 0.07 1.96 ± 0.11
18 1.91 ± 0.10 1.56 ± 0.14
19 1.80 ± 0.09 1.72 ± 0.10
20 1.83 ± 0.11 1.79 ± 0.15
21 1.98 ± 0.05 3.19 ± 0.15
22 2.13 ± 0.10 2.4 ± 0.2
23 1.80 ± 0.08 1.74 ± 0.10
24 1.63 ± 0.14 1.18 ± 0.09
25 1.92 ± 0.07 1.72 ± 0.11
26 1.99 ± 0.08 3.0 ± 0.2
27 1.87 ± 0.07 3.21 ± 0.19
28 1.62 ± 0.16 1.44 ± 0.19
29 1.89 ± 0.07 2.09 ± 0.12

Notes. The total energy in protons is computed for proton energies above 1 TeV. The cut-off energy is fixed to 93 TeV, which is the value obtained forthe full-remnant spectrum, to overcome fit convergence problems due to limited statistics in dim regions of the SNR.

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