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Table 1.
IXPE observing log and measured X-ray polarization.
| Epoch | Obs. ID | Date | Orbital Phase | IXPE Hardness | State | PD | PA | Exposure Time | |
|---|---|---|---|---|---|---|---|---|---|
| 4–8 keV/2–4 keV | (%) | (deg) | (ks) | ||||||
| 1 | 01002901 | 2022 | May 15 | 0.00–1.00 | 0.569 | H | 4.0 ± 0.2 | −21 ± 2 | 241.5 |
| 2 | 01250101 | June 18 | 0.00–0.37 | 0.610 | H | 3.9 ± 0.3 | −26 ± 3 | 86.0 | |
| 3 | 02008201 | 2023 | May 2 | 0.81–0.89 | 0.280 | S | 2.5 ± 0.4 | −17 ± 5 | 20.8 |
| 4 | 02008301 | May 9 | 0.97–0.09 | 0.271 | S | 2.4 ± 0.3 | −23 ± 4 | 30.8 | |
| 5 | 02008401 | May 24 | 0.72–0.83 | 0.151 | S | 2.1 ± 0.3 | −25 ± 4 | 24.6 | |
| 6 | 02008501 | June 13 | 0.31–0.43 | 0.210 | S | 1.5 ± 0.3 | −26 ± 6 | 28.8 | |
| 7 | 02008601 | June 20 | 0.39–0.54 | 0.240 | S | 2.1 ± 0.2 | −36 ± 3 | 34.2 | |
| 8 | 03002201 | 2024 | April 12 | 0.43–0.64 | 0.610 | H | 3.9 ± 0.5 | −25 ± 4 | 55.8 |
| 9 | 03003101 | May 6 | 0.79–0.99 | 0.589 | H | 3.1 ± 0.5 | −28 ± 5 | 53.8 | |
| 10 | 03010001 | May 26 | 0.29–0.52 | 0.620 | H | 4.6 ± 0.5 | −28 ± 3 | 57.5 | |
| 11 | 03010101 | June 14 | 0.80–0.01 | 0.649 | H | 4.6 ± 0.6 | −33 ± 3 | 55.7 | |
| 12 | 03002599a | October 10 | 0.79–0.01 | 0.389 | S | 2.8 ± 0.3 | −18 ± 3 | 55.1 | |
| 13 | 03002599a | December 12 | 0.19–0.42 | 0.280 | S | 2.8 ± 0.2 | −25 ± 3 | 56.2 | |
Notes. aObservations 12 and 13 were parts of one observation ID 03002599, which was then manually split into two parts.
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