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Table 2.

Crab polarization for different periods measured by the IBIS Compton mode in the 200–400 keV range.

MJD Start MJD End EXPO (ks) S/N PA (°) PF (%) p-value (%)
53069.8 55072.5 1395 35 142.2 ± 7.7 53 ± 14 0.05
55258.8 56952.1 2032 48 130.6 ± 9.3 32 ± 11 0.4
57068.6 57675.3 1619 45 132.1 ± 6.5 49 ± 11 0.003
57794.6 58404.0 1412 32 125.0 ± 6.9 65 ± 15 0.007
58531.2 59880.5 3027 39 136.6 ± 8.3 44 ± 13 0.1
59989.4 60594.6 1412 35 122.7 ± 7.5 54 ± 14 0.03

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