Table 3
H.E.S.S. VHE γ-ray significances corresponding to hard and standard event selection regimes.
| Target | Image Cuts | NON [events] | NOFF [events] | α | Excess [events] | Significance [σ] |
|---|---|---|---|---|---|---|
| GRS 1915+105 | Standard | 471 | 7127 | 0.073 | –51.6 | –2.2 |
| Hard | 36 | 783 | 0.060 | –10.9 | –1.6 | |
| Cir X-1 | Standard | 385 | 5959 | 0.068 | –20.1 | –1.0 |
| Hard | 45 | 648 | 0.056 | 9.1 | 1.4 | |
| V4641 Sgr | Standard | 161 | 2373 | 0.067 | 1.2 | 0.1 |
| Hard | 11 | 275 | 0.055 | –4.2 | –1.11 | |
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