Table 2
Pearson correlation coefficients between the number of trails detected and observation monitoring data taken during runs.
| Run monitoring variable | Pearson correlation coefficient |
|---|---|
| CT5 measured mean pedestal NSB rate | 0.086 |
| CT5 measured optical efficiency | −0.073 |
| Optical atmospheric transparency coefficient | −0.002 |
Notes. Telescope optical efficiency here refers to that obtained by measuring the brightness of muon ring events, for more information see Gaug et al. (2019). The H.E.S.S. atmospheric transparency coefficient variable is described in Hahn et al. (2014).
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