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Table 3.
Parameters obtained for our polarization analysis using the Compton mode.
| Source | State period | Exposure time | Energy band | Signal | a100 | χ2/d.o.f. | punpola | Polarization | Polarization | Polarization |
|---|---|---|---|---|---|---|---|---|---|---|
| [Ms] | to noise ratio | [%] | Angle [°] | fraction [%] | detected | |||||
| MAXI J1535 − 571 | HIMS | 0.22 | 300–400 keV | 4.9 | 0.278 | C = 2.35/5 | – | – | – | × |
| S = 1.52/4 | ||||||||||
| 400–1000 keV | 7.2 | 0.194 | C = 1.30/5 | – | – | – | × | |||
| S = 0.64/4 | ||||||||||
| 300–1000 keV | 8.7 | 0.224 | C = 1.35/5 | – | – | – | × | |||
| S = 0.92/4 | ||||||||||
| SIMS | 0.16 | 300–400 keV | 3.3 | 0.278 | C = 8.00/5 | – | – | – | × | |
| S = 5.60/4 | ||||||||||
| 400–1000 keV | 3.7 | 0.194 | C = 2.00/5 | – | – | – | × | |||
| S = 2.72/4 | ||||||||||
| 300–1000 keV | 4.9 | 0.224 | C = 6.35/5 | – | – | – | × | |||
| S = 6.40/4 | ||||||||||
| MAXI J1820+070 | LHS | 1.3 | 300–400 keV | 71 | 0.278 | C = 12.05/5 | 0.57 | 120 ± 14 | 17 ± 8 | ✓ |
| S = 6.44/4 | ||||||||||
| 400–1000 keV | 67 | 0.194 | C = 13.1/5 | 0.11 | 105 ± 11 | 35 ± 12 | ✓ | |||
| S = 4.48/4 | ||||||||||
| 300–1000 keV | 94 | 0.224 | C = 20.65/5 | 0.003 | 110 ± 11 | 26 ± 9 | ✓ | |||
| S = 7.44/4 | ||||||||||
| MAXI J1348 − 630 | LHS | 0.32 | 300–400 keV | 22.9 | 0.278 | C = 12.30/5 | 0.02 | 160 ± 9 | 75 ± 26 | ✓ |
| S = 0.84/4 | ||||||||||
| 400–1000 keV | 22 | 0.194 | C = 9.40/5 | 0.06 | 180 ± 10 | > 70 | ✓ | |||
| S = 5.28/4 | ||||||||||
| 300–1000 keV | 30.7 | 0.224 | C = 15.45/5 | 0.008 | 180 ± 10 | 79 ± 23 | ✓ | |||
| S = 0.68/4 | ||||||||||
| IMS | 0.17 | 300–400 keV | 8.2 | 0.278 | C = 13.15/5 | – | – | – | × | |
| S = 12.84/4 | ||||||||||
| 400–1000 keV | 7.2 | 0.194 | C = 4.95/5 | – | – | – | × | |||
| S = 3.88/4 | ||||||||||
| 300–1000 keV | 10.42 | 0.224 | C = 7.45/5 | – | – | – | × | |||
| S = 6.32/4 | ||||||||||
| HSS | 0.42 | 300–400 keV | 2.79 | 0.278 | C = 3.15/5 | – | – | – | × | |
| S = 0.48/4 | ||||||||||
| 400–1000 keV | 3.01 | 0.194 | C = 11.01/5 | – | – | – | × | |||
| S = 4.08/4 | ||||||||||
| 300–1000 keV | 4.12 | 0.224 | C = 5.55/5 | – | – | – | × | |||
| S = 1.32/4 | ||||||||||
Notes. C and S are the values of the 
obtained using a constant (C) or a sinusoïdal (S) function for our polarigram fit.
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