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Table 5

Correlations between the TeV flux obtained by MAGIC and the Hα parameters (EW, FWHM, and vel) measured by LIVERPOOL for the extended orbital interval 0.75–1.0.

Simultaneity Parameters r Prob

Nightly TeV–EW –0.51 0.04
Nightly TeV–FWHM –0.22 0.27
Nightly TeV–vel –0.38 0.11
Contemporary (hourly) TeV–EW –0.14 0.37
Contemporary (hourly) TeV–FWHM –0.44 0.16
Contemporary (hourly) TeV–vel –0.21 0.35

Notes. Only TeV data with a significance higher than 1σ have been considered. The first column indicates the level of simultaneity of the observations, the second column shows the parameters we used to search for a correlation, and the third and fourth columns give the Pearson correlation coefficient and the associated probability for a non-correlation.

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