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Table 5

UV measurements.

Obs and Filter Expo s Rate k
[s] [σ] [cts/s]

1 W2 850 48.5 3.16 ± 0.09 1.00 ± 0.03
2 M2 664 6.4 0.101 ± 0.017 1.03 ± 0.18
3 W1 764 83.6 9.87 ± 0.23 1.00 ± 0.03
5 W2 1906 73.8 3.18 ± 0.08 1.01 ± 0.03
5 M2 3204 9.5 0.063 ± 0.007 0.65 ± 0.08
6 W1 1761 126.8 8.53 ± 0.07 0.861 ± 0.007
8 W2 2917 91.9 3.23 ± 0.07 1.02 ± 0.02
9 M2 7696 15.4 0.066 ± 0.005 0.67 ± 0.05
9 W1 4427 200.7 9.71 ± 0.19 0.98 ± 0.02
10 M2 576 4.7 0.080 ± 0.017 0.82 ± 0.18
11 M2 2603 10.5 0.080 ± 0.008 0.82 ± 0.08
11 W2 1983 74.4 3.10 ± 0.07 0.98 ± 0.02
12 M2 1611 7.8 0.071 ± 0.009 0.72 ± 0.09

Notes. Observations with the U filter are not reported. The mean count rates and rms for the UVW2, UVM2 and UVW1 are respectively 3.167 and 0.046 cts/s, 0.08 and 0.013 cts/s, 9.375 and 0.597 cts/s. The mean k parameter and rms are respectively 0.88 and 0.13. Only statistical errors are reported for the parameter k and a systematic error of at least 11% on this parameter should be considered.

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