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This article has an erratum: [https://doi.org/10.1051/0004-6361/202554514e]


Table 2.

Slopes of the correlations between the optical/UV fluxes and the X-ray fluxes in different bands, , during the outburst.

Filter Epoch β0.1 − 500 keV β0.5 − 2 keV β2 − 10 keV β15 − 50 keV β10 − 300 keV
V-Johnson Rise 0.56 ± 0.03 0.40 ± 0.02 0.47 ± 0.02 0.90 ± 0.07 0.94 ± 0.08
V-Johnson Decay 0.37 ± 0.03 0.26 ± 0.02 0.31 ± 0.02 0.59 ± 0.04 0.57 ± 0.04
UVOT-b Rise 0.47 ± 0.04 0.35 ± 0.03 0.40 ± 0.03 0.73 ± 0.05 0.75 ± 0.04
UVOT-u Rise 0.49 ± 0.05 0.37 ± 0.03 0.43 ± 0.04 0.7 ± 0.1 0.7 ± 0.1
UVOT-uw1 Rise 0.45 ± 0.03 0.34 ± 0.02 0.39 ± 0.03 0.69 ± 0.07 0.69 ± 0.07
UVOT-uw1 Decay 0.36 ± 0.07 0.24 ± 0.05 0.30 ± 0.06 0.6 ± 0.1 0.6 ± 0.1
UVOT-um2 Global 0.43 ± 0.07 0.31 ± 0.05 0.37 ± 0.06 0.69 ± 0.11 0.70 ± 0.11
UVOT-uw2 Global 0.40 ± 0.04 0.28 ± 0.03 0.35 ± 0.03 0.65 ± 0.06 0.66 ± 0.06

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