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Table 5.
Energy-scaling factors ζi and resulting χ2-values before and after changing the energy-scale.
| Data set | Scaling factor ζi | Statistical error σζ |
 |
 |
||
|---|---|---|---|---|---|---|
( ) |
68% c.l. | |||||
| Fermi-LAT | 1.00 | Fixed | 21.7 | (25) | 21.7 | (25) |
| MAGIC | 0.891 | 0.006 | 221.0 | (14) | 11.7 | (13) |
| VERITAS | 1.050 | 0.003 | 469.9 | (12) | 9.1 | (11) |
| MAGIC (VLZA) | 1.141 | 0.025 | 55.6 | (7) | 2.6 | (6) |
| Tibet ASγ | 0.918 | 0.017 | 22.8 | (10) | 6.4 | (9) |
| LHAASO | 0.964 | 0.006 | 41.0 | (17) | 11.6 | (16) |
| Combined | 832.0 | (85) | 63.1 | (80) | ||
Notes. Energy-scaling factors ζi for the VHE spectra are derived for the best-fitting model with 
(the corresponding best fit parameters Ψ are given in Table 4).
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