High-resolution X-ray spectroscopy of Cen X−3 with XMM-Newton

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Table 5.

Spectral fit parameters to the 0400550201 orbital phase-averaged spectrum, HCR spectrum, and LCR spectrum and the corresponding dips and out-of-dips as defined in Fig. 9.

Model	Parameter	Averaged	HCR	dips	no-dips	LCR	dips	no-dips
hot	N_H (10²⁶ m⁻²)	6.0 $_{- 0.3}^{+ 0.4}$ $Mathematical equation: $ ^{+0.4}_{-0.3} $$	5.4 ± 0.4	3.5 $_{- 0.4}^{+ 0.5}$ $Mathematical equation: $ ^{+0.5}_{-0.4} $$	5.5 $_{- 0.4}^{+ 0.5}$ $Mathematical equation: $ ^{+0.5}_{-0.4} $$	8.5 $_{- 1.1}^{+ 1.2}$ $Mathematical equation: $ ^{+1.2}_{-1.1} $$	7.8 $_{- 1.1}^{+ 1.4}$ $Mathematical equation: $ ^{+1.4}_{-1.1} $$	8.1 $_{- 1.2}^{+ 1.4}$ $Mathematical equation: $ ^{+1.4}_{-1.2} $$
hot	t (eV)	56.0 $_{- 1.8}^{+ 1.9}$ $Mathematical equation: $ ^{+1.9}_{-1.8} $$	55.3 ± 2.3	51 ± 4	55.6 ± 2.4	59 ± 5	54 $_{- 6}^{+ 8}$ $Mathematical equation: $ ^{+8}_{-6} $$	59 ± 5

PL₁	Norm (10⁴⁴)	122 $_{- 15}^{+ 18}$ $Mathematical equation: $ ^{+18}_{-15} $$	95 $_{- 13}^{+ 17}$ $Mathematical equation: $ ^{+17}_{-13} $$	80 $_{- 30}^{+ 40}$ $Mathematical equation: $ ^{+40}_{-30} $$	96 $_{- 14}^{+ 18}$ $Mathematical equation: $ ^{+18}_{-14} $$	190 $_{- 70}^{+ 130}$ $Mathematical equation: $ ^{+130}_{-70} $$	330 $_{- 120}^{+ 240}$ $Mathematical equation: $ ^{+240}_{-120} $$	170 $_{- 70}^{+ 120}$ $Mathematical equation: $ ^{+120}_{-70} $$
	Γ₁ = Γ₂	1.48 ± 0.24	1.44 ± 0.03	1.8 $_{- 0.3}^{+ 0.2}$ $Mathematical equation: $ ^{+0.2}_{-0.3} $$	1.43 ± 0.03	1.20 ± 0.05	1.74 ± 0.12	1.21 ± 0.05
	Flux (10⁻¹⁴)	1.65 $_{- 0.20}^{+ 0.24}$ $Mathematical equation: $ ^{+0.24}_{-0.20} $$	1.8 ± 0.3	3.8 $_{- 1.6}^{+ 2.0}$ $Mathematical equation: $ ^{+2.0}_{-1.6} $$	1.8 ± 0.3	0.8 $_{- 0.3}^{+ 0.5}$ $Mathematical equation: $ ^{+0.5}_{-0.3} $$	1.4 $_{- 0.5}^{+ 1.1}$ $Mathematical equation: $ ^{+1.1}_{-0.5} $$	0.8 $_{- 0.3}^{+ 0.6}$ $Mathematical equation: $ ^{+0.6}_{-0.3} $$
	Unabs. Flux (10⁻¹²)	2.8 $_{- 0.3}^{+ 0.4}$ $Mathematical equation: $ ^{+0.4}_{-0.3} $$	2.2 $_{- 0.3}^{+ 0.4}$ $Mathematical equation: $ ^{+0.4}_{-0.3} $$	1.8 $_{- 0.7}^{+ 1.0}$ $Mathematical equation: $ ^{+1.0}_{-0.7} $$	2.2 $_{- 0.3}^{+ 0.4}$ $Mathematical equation: $ ^{+0.4}_{-0.3} $$	4 $_{- 2}^{+ 3}$ $Mathematical equation: $ ^{+3}_{-2} $$	7 $_{- 3}^{+ 5}$ $Mathematical equation: $ ^{+5}_{-3} $$	4 $_{- 2}^{+ 3}$ $Mathematical equation: $ ^{+3}_{-2} $$

PL₂	Norm (10⁴⁴)	20.16 $_{- 0.13}^{+ 0.12}$ $Mathematical equation: $ ^{+0.12}_{-0.13} $$	20.94 $_{- 0.19}^{+ 0.18}$ $Mathematical equation: $ ^{+0.18}_{-0.19} $$	15.6 $_{- 1.0}^{+ 1.2}$ $Mathematical equation: $ ^{+1.2}_{-1.0} $$	21.20 $_{- 0.18}^{+ 0.17}$ $Mathematical equation: $ ^{+0.17}_{-0.18} $$	16.73 $_{- 0.20}^{+ 0.18}$ $Mathematical equation: $ ^{+0.18}_{-0.20} $$	14.6 ± 0.3	17.30 $_{- 0.22}^{+ 0.21}$ $Mathematical equation: $ ^{+0.21}_{-0.22} $$
	Flux (10⁻¹⁴)	10.21 ± 0.06	10.75 $_{- 0.10}^{+ 0.09}$ $Mathematical equation: $ ^{+0.09}_{-0.10} $$	7.1 ± 0.5	10.94 ± 0.09	9.34 $_{- 0.11}^{+ 0.10}$ $Mathematical equation: $ ^{+0.10}_{-0.11} $$	6.77 ± 0.13	9.65 ± 0.12
	Unabs. Flux (10⁻¹³)	4.59 ± 0.03	4.79 ± 0.04	3.5 $_{- 0.2}^{+ 0.3}$ $Mathematical equation: $ ^{+0.3}_{-0.2} $$	4.86 ± 0.04	3.93 $_{- 0.05}^{+ 0.04}$ $Mathematical equation: $ ^{+0.04}_{-0.05} $$	3.25 ± 0.06	4.06 ± 0.05

Gaussian	Norm (10⁴⁴ ph s⁻¹)	0.50 ± 0.05	0.54 ± 0.07	0.7 $_{- 0.4}^{+ 0.5}$ $Mathematical equation: $ ^{+0.5}_{-0.4} $$	0.56 ± 0.06	0.59 $_{- 0.08}^{+ 0.09}$ $Mathematical equation: $ ^{+0.09}_{-0.08} $$	–	0.58 $_{- 0.09}^{+ 0.10}$ $Mathematical equation: $ ^{+0.10}_{-0.09} $$
	λ (Å)	12.12 ± 0.05	12.07 $_{- 0.05}^{+ 0.06}$ $Mathematical equation: $ ^{+0.06}_{-0.05} $$	11.5 $_{- 0.4}^{+ 0.5}$ $Mathematical equation: $ ^{+0.5}_{-0.4} $$	12.04 $_{- 0.04}^{+ 0.05}$ $Mathematical equation: $ ^{+0.05}_{-0.04} $$	12.22 $_{- 0.08}^{+ 0.09}$ $Mathematical equation: $ ^{+0.09}_{-0.08} $$			12.25 ± 0.09
	FWHM (Å)	1.48 $_{- 0.17}^{+ 0.18}$ $Mathematical equation: $ ^{+0.18}_{-0.17} $$	1.44 $_{- 0.23}^{+ 0.24}$ $Mathematical equation: $ ^{+0.24}_{-0.23} $$	3.6 $_{- 1.1}^{+ 1.3}$ $Mathematical equation: $ ^{+1.3}_{-1.1} $$	1.38 $_{- 0.18}^{+ 0.20}$ $Mathematical equation: $ ^{+0.20}_{-0.18} $$	1.8 $_{- 0.2}^{+ 0.3}$ $Mathematical equation: $ ^{+0.3}_{-0.2} $$			1.8 ± 0.3
	Flux (10⁻¹⁵)	1.21 $_{- 0.11}^{+ 0.13}$ $Mathematical equation: $ ^{+0.13}_{-0.11} $$	1.34 $_{- 0.17}^{+ 0.18}$ $Mathematical equation: $ ^{+0.18}_{-0.17} $$	2.8 $_{- 1.4}^{+ 2.0}$ $Mathematical equation: $ ^{+2.0}_{-1.4} $$	1.41 $_{- 0.15}^{+ 0.16}$ $Mathematical equation: $ ^{+0.16}_{-0.15} $$	1.37 $_{- 0.18}^{+ 0.21}$ $Mathematical equation: $ ^{+0.21}_{-0.18} $$			1.31 $_{- 0.20}^{+ 0.23}$ $Mathematical equation: $ ^{+0.23}_{-0.20} $$
	Unabs. Flux (10⁻¹⁴)	1.07 $_{- 0.10}^{+ 0.11}$ $Mathematical equation: $ ^{+0.11}_{-0.10} $$	1.17 $_{- 0.14}^{+ 0.16}$ $Mathematical equation: $ ^{+0.16}_{-0.14} $$	1.6 $_{- 0.8}^{+ 1.2}$ $Mathematical equation: $ ^{+1.2}_{-0.8} $$	1.21 $_{- 0.13}^{+ 0.14}$ $Mathematical equation: $ ^{+0.14}_{-0.13} $$	1.25 $_{- 0.17}^{+ 0.19}$ $Mathematical equation: $ ^{+0.19}_{-0.17} $$			1.22 $_{- 0.18}^{+ 0.21}$ $Mathematical equation: $ ^{+0.21}_{-0.18} $$

	χ²/d.o.f.	1112/642	1046/642	744/627	1036/642	801/642		674/617	799/642

Notes. Flux and unabsorbed flux are in Watts per metre squared and normalisation of power-law components in units of photons per second per kilo-electronvolt.

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