X-ray polarization observations of NGC 2110 with IXPE

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Table 5.

Spectral analysis results from the joint analysis of NuSTAR, XMM-Newton and XRT observations.

Model component	Parameter	Best-Fit
zphabs	N_H.los (× 10²²) cm⁻²	5.86 $_{- 0.61}^{+ 0.62}$ $^{+0.62}_{-0.61}$

pexrav	Γ	1.71 $_{- 0.02}^{+ 0.01}$ $^{+0.01}_{-0.02}$
	E_cut (keV)	280 $_{- 54}^{+ 65}$ $^{+65}_{-54}$
	norm (× 10⁻²)	3.82 $_{- 0.21}^{+ 0.10}$ $^{+0.10}_{-0.21}$
	χ²/d.o.f.	3805/3727

xillverCP	Γ	1.78 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$
	kT_e	> 54
	R	0.40 $_{- 0.06}^{+ 0.07}$ $^{+0.07}_{-0.06}$
	norm (× 10⁻³)	1.77 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$
	θ (°)	86.0 $_{- 0.6}^{+ 0.5}$ $^{+0.5}_{-0.6}$
	χ²/d.o.f.	3757/3736

XMM-Newton
zgauss	Line_E1 (keV)	6.42 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$
	norm_E1 (× 10⁻⁵)	4.55 $_{- 0.40}^{+ 0.40}$ $^{+0.40}_{-0.40}$
	Line_E2 (keV)	7.01 $_{- 0.04}^{+ 0.04}$ $^{+0.04}_{-0.04}$
	norm_E2 (× 10⁻⁵)	1.07 $_{- 0.34}^{+ 0.34}$ $^{+0.34}_{-0.34}$

NuSTAR (2012)
zgauss	Line_E1 (keV)	6.27 $_{- 0.08}^{+ 0.08}$ $^{+0.08}_{-0.08}$
	norm_E1 (× 10⁻⁵)	8.90 $_{- 0.34}^{+ 0.34}$ $^{+0.34}_{-0.34}$

NuSTAR (2013)
zgauss	Line_E1 (keV)	6.41 $_{- 0.06}^{+ 0.06}$ $^{+0.06}_{-0.06}$
	norm_E1 (× 10⁻⁵)	2.23 $_{- 0.50}^{+ 0.50}$ $^{+0.50}_{-0.50}$

Swift-XRT
zgauss	Line_E1 (keV)	6.39 $_{- 0.06}^{+ 0.07}$ $^{+0.07}_{-0.06}$
	σ	< 0.17
	norm_E1 (× 10⁻⁵)	3.43 $_{- 0.15}^{+ 0.16}$ $^{+0.16}_{-0.15}$

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