Table C.1.
Summary of MAGIC observations of B2 1811+31.
| Start time | Stop time | Observing time | Zenith range | Significance | Flux (E>135 GeV) | UL |
|---|---|---|---|---|---|---|
| [MJD] | [MJD] | [h] | [deg] | [10−11 ph cm−2 s−1] | [10−11 ph cm−2 s−1] | |
| 59126.84 | 59126.86 | 0.48 | 20−30 | 4.7σ | 3.55 ± 1.50 | - |
| 59127.84 | 59127.88 | 0.73 | 20−37 | 1.2σ | - | 3.37 |
| 59130.93 | 59130.97 | 0.98 | 50−64 | −0.7σ | - | 14.1 |
| 59131.83 | 59131.95 | 1.96 | 20−64 | 4.3σ | 3.32 ± 1.15 | - |
| 59132.86 | 59132.91 | 1.30 | 30−50 | 2.1σ | - | 6.17 |
Notes. For each night, the observing time after quality cuts, zenith range, significance of the excess of γ-ray signal from the source and gamma-ray flux integrated above 135 GeV are reported. Upper limits (ULs) at a 95% confidence level are provided for the observations with significance of the γ-ray signal from the source below 3σ.
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