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Table 3.
Crab polarization for the main two periods measured by the IBIS Compton mode.
| E (keV) | S/N | PA (°) | PF (%) | p-value (%) | S/N | PA (°) | PF (%) | p-value (%) |
|---|---|---|---|---|---|---|---|---|
| Period 1: MJD 52866–57494 (Expo. = 4681 ks) | Period 2: MJD 57619–60595 (Expo. = 6257 ks) | |||||||
| 200–250 | 57 | 138.8 ± 7.9 | 27.0 ± 7.4 | 0.06 | 65 | 128.3 ± 3.2 | 57.5 ± 6.4 | 1e-16 |
| 250–300 | 45 | 135.3 ± 6.3 | 44.5 ± 9.8 | 0.002 | 43 | 129.0 ± 4.7 | 62 ± 10 | 3e-7 |
| 300–400 | 39 | 135.3 ± 9.9 | 38 ± 13 | 0.7 | 34 | – | < 45 | 5 |
| 400–1000 | 32 | 120.3 ± 7.8 | 73 ± 17 | 0.04 | 31 | – | < 60 | 50 |
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