Open Access

Table C.7.

Intrinsic magnitudes from the spectral analyses on B2 1811+31 Swift-UVOT observations during the 2020 γ-ray outburst.

Start time Exposure V B U W1 M2 W2
[MJD] [s] [mag] [mag] [mag] [mag] [mag] [mag]
59125.442 2473 - - - - - 14.60±0.02
59128.283 1260 - - 14.83±0.02 - - -
59132.286 1168 - - 14.69±0.02 - - -
59134.853 1449 15.34±0.05 15.62±0.03 14.69±0.03 14.46±0.03 14.29±0.03 14.48±0.03
59136.848 1953 15.34±0.04 15.64±0.03 14.63±0.03 14.46±0.03 14.33±0.03 14.48±0.02
59138.851 1787 15.44±0.04 15.67±0.03 14.74±0.03 14.58±0.03 14.43±0.03 14.57±0.03
59156.828 2003 15.54±0.06 15.78±0.03 14.85±0.03 14.64±0.03 14.50±0.03 14.66±0.03
59157.823 1798 15.56±0.06 15.87±0.03 14.92±0.03 14.72±0.03 14.66±0.03 14.78±0.03

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