Table 2
Background-subtracted polarization properties of 3C 58.
| Method | Q/I | U/I | PD[10−2] | PA |
|---|---|---|---|---|
| ixpeobssim | −0.213 ± 0.042 | −0.059 ± 0.042 | 22.1 ± 4.2 | 97.7° ± 5.5° |
| XSPEC | −0.204 ± 0.035 | −0.059 ± 0.035 | 21.4 ± 3.5 | 98.1° ± 4.8° |
| 3ML | −0.21 ± 0.04 | −0.06 ± 0.04 | 22.0 ± 4.0 | 98.0° ± 5.0° |
| Simultaneous Fitting | −0.171 ± 0.033 | −0.054 ± 0.033 | 17.9 ± 3.3 | 98.7° ± 5.2 |
Notes. Polarization properties of the inner 40 arcsec region of 3C 58, except for simultaneous fitting, where the extraction region is 75″ × 75″ and the pulsar polarization is fitted simultaneously with the nebula polarization). Errors are at the 1σ level. For the XSPEC analysis, the reduced chisquare value is χ2/d.o.f. = 869.48/885. For 3ML analysis, the reduced chi-square value is χ2/d.o.f. = 916.72/885 (p-value = 0.22). For simultaneous fitting, the reduced chi-square value is χ2/d.o.f. = 522/450 (p-value = 0.01).
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