Dust absorption and scattering in the silicon K-edge

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Table A.2

Best fit parameters for 4U 1630-47.

Obsid	13714	13715	13716	13717
(10²² cm⁻²)	9.7 ± 0.1

k_BT_bb1 (keV)	0.62 ± 0.01	0.62 ± 0.01	0.60 ± 0.01	0.63 ± 0.01
k_BT_bb2 (keV)	1.2 ± 0.3	1.2 ± 0.4	1.2 ± 0.4	1.2 ± 0.5

	9.2 ± 0.2
logξ^xabs (erg cm s⁻¹)	4.1 ± 0.2
(10² km s⁻¹)

	9.0 ± 0.2
logξ^xabs2 (erg cm s⁻¹)	4.3 ± 0.1
(10² km s⁻¹)	− 7.8 ± 0.3
F_{0.5−2 keV} (10⁻¹² erg cm⁻² s⁻¹)	8.2 ± 2	8.2 ± 2.0	7.8 ± 1.9	8.0 ± 1.8
F_{2−10 keV} (10⁻⁹ erg cm⁻² s⁻¹)	4.1 ± 0.9	4.0 ± 0.9	3.8 ± 0.8	4.4 ± 0.9

C²∕ν	5258/4028

Notes. This fit was produced using the following SPEX models: two blackbody models, the AMOL model, the cold gas model (HOT with k_B T = 5 × 10⁻⁴), and two XABS models. Both XABS models are coupled to the four observations, since these observations were performed in succession.

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