Probing the polarized emission from the accretion-powered pulsar 4U 1907+09 with IXPE

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Table 5.

Polarimetric parameters in different energy bins for the two IXPE observations derived using the pcube method.

	Obs. 1		Obs. 2		Obs. 1 & 2

Energy	PD_pcube	PA_pcube	PD_pcube	PA_pcube	PD_pcube	PA_pcube
(keV)	(%)	(deg)	(%)	(deg)	(%)	(deg)
2–3	10.1 ± 3.5	60 ± 10	4.5 ± 3.4	68 ± 21	7.1 ± 2.4	62 ± 10
3–4	$1 . 3_{- 1.3}^{+ 2.8}$ $1.3_{-1.3}^{+2.8}$	−43^(†)	2.7 ± 2.7	−51 ± 28	2.0 ± 2.0	−49 ± 28
4–5	13.3 ± 3.6	74 ± 8	5.5 ± 3.4	46 ± 18	8.3 ± 2.5	66 ± 9
5–6	6.9 ± 4.6	77 ± 19	$3 . 8_{- 3.8}^{+ 4.5}$ $3.8_{-3.8}^{+4.5}$	−46^(†)	$3 . 1_{- 3.1}^{+ 3.2}$ $3.1_{-3.1}^{+3.2}$	−86^(†)
6–8	9.0 ± 6.0	57 ± 19	13.0 ± 5.9	45 ± 13	10.8 ± 4.2	50 ± 11

2–8	7.2 ± 2.3	66 ± 9	3.7 ± 2.2	52 ± 17	5.2 ± 1.6	61 ± 9

Notes. The uncertainties are presented at the 1σ confidence level.

^(†)

The PA cannot be confined within the 1σ confidence level; therefore, we present the most probable value instead.

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