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Table 1.

Weighted average observed optical polarization of Swift J1727.8−1613 in the different spectral states.

B V R



State MJD PD (%) PA (deg) PD (%) PA (deg) PD (%) PA (deg)
HIMS 60189–60205 0.917 ± 0.001 72.11 ± 0.03 0.929 ± 0.002 68.73 ± 0.06 0.797 ± 0.001 66.46 ± 0.04
SIMS 60206–60215 1.104 ± 0.001 72.09 ± 0.03 1.122 ± 0.007 68.2 ± 0.2 1.107 ± 0.003 69.76 ± 0.07
HIMS+SIMS 60189–60215 0.947 ± 0.001 72.11 ± 0.03 0.962 ± 0.002 68.63 ± 0.07 0.871 ± 0.002 67.47 ± 0.06

SS 60351–60361 1.18 ± 0.11 76.5 ± 2.7 1.14 ± 0.10 63.0 ± 2.5 1.01 ± 0.05 59.9 ± 1.4

DHS 60388–60391 1.05 ± 0.07 71.1 ± 2.0 1.67 ± 0.09 69.4 ± 1.5 1.10 ± 0.08 70.6 ± 2.0

Notes. The full list of detections is given in Table A.1.

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