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Table 1
Comparison between the optical depth at the logarithmic bin center of the highest energy bin and the averaged value over the bin width.
| Source | Minimum EBL shape tested | Maximum EBL shape tested | ||||
| τγ | ⟨ τγ ⟩ | ⟨ τγ ⟩ /τγ | τγ | ⟨ τγ ⟩ | ⟨ τγ ⟩ /τγ | |
|
|
||||||
| 3C 279 | 3.48 | 3.34 | 0.96 | 18.33 | 17.61 | 0.96 |
| H 1426+428 | 2.54 | 2.53 | 0.99 | 12.61 | 12.48 | 0.99 |
| 1ES 1101-232 | 2.69 | 2.68 | 1.00 | 13.62 | 13.57 | 1.00 |
| Mkn 501 | 3.27 | 3.21 | 0.98 | 11.86 | 11.67 | 0.98 |
Notes. The HEGRA spectrum is used here for Mkn 501, see Table 3 for the references.
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