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Table 1

Table of parameters used.

Object d (kpc) Vcloud (cm3) E 0 α l αh or Ecutoff Wp (erg), in protons of E >10 MeV Spectral break energy Ebr (GeV)

W51C 6.0 3.3 × 1060 1 GeV 1.5 2.9 7.7 × 1049 15

W44 3.0 4.2 × 1059 1 GeV 1.74 3.7 1.2 × 1050 9
W28 2.0 3.2 × 1059 1 GeV 1.7 2.7 3.3 × 1049 2
IC443 1.5 4.2 × 1059 1 GeV 2.0 2.87 2.4 × 1049 69
W49B 8.0 6.3 × 1056 1 GeV 2.0 2.7 4.4 × 1050 4
G349.7+0.2 22.0 2.4 × 1059 1 TeV 1.7 0.16 TeV 2.2 × 1050
CTB 37A 11.3 3.3 × 1060 1 TeV 1.7 0.08 TeV 1.3 × 1050
3C 391 8.0 3.4 × 1059 1 TeV 2.4 100 TeV 2.3 × 1050
G8.7-0.1 4.5 9.3 × 1059 1 TeV 2.45 100 TeV 3.7 × 1050

Notes. All values for Wp are calculated for nH = 100 cm-3.

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