Table 3.
Results of the VHE gamma-ray spectral analysis of the sample.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
|---|---|---|---|---|---|---|
| Source name | Epoch | Model | E0 | F0 | Γ | β |
| (MJD) | (GeV) | (×10−11 cm−2 s−1) | ||||
| VER J0521+211 | 56580-56627 | LP | 300 | 27.43 ± 0.51 | 2.69 ± 0.02 | 0.47 ± 0.07 |
| PKS 1424+240 (a){ | 56740-56826 | PL | 111 | 98.9 ± 6.5 | 2.77 ± 0.16 | |
| 57045-57187 | LP | 104 | 82 ± 15 | 2.19 ± 0.52 | 1.93 ± 0.87 | |
| 1ES 1727+502 (a) | 57307-57327 | PL | 585 | 2.08 ± 0.15 | 2.21 ± 0.08 | |
| 1ES 1959+650{ | 57547 | LP | 261 | 133.8 ± 4.4 | 2.04 ± 0.05 | 0.23 ± 0.07 |
| 57553 | LP | 307 | 153.2 ± 3.9 | 1.81 ± 0.04 | 0.37 ± 0.04 | |
| 57711 | LP | 293 | 26.0 ± 2.1 | 2.30 ± 0.15 | 0.34 ± 0.22 | |
| 1ES 2344+514{ | 57611-57612 | PL | 487 | 7.27 ± 0.97 | 2.07 ± 0.22 | |
| 57611 | PL | 465 | 13.4 ± 1.5 | 2.07 ± 0.13 | ||
| 57612 | PL | 396 | 5.7 ± 1.1 | 2.11 ± 0.21 |
Notes. Columns: (1) source name. (2) Observation epoch. (3) Best-fitted model, log parabola (LP) and power law (PL). (4) Normalisation (decorrelation) energy of spectrum. (5) Flux at normalisation energy. (6) and (7) Spectral index and the curvature parameter. All of the spectral parameters are calculated after taking into account the effect of EBL absorption using the model described by Domínguez et al. (2011).
The VHE gamma-ray spectral points are extracted from Acciari et al. (2019).
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