An XMM-Newton long look at the accretion disk plasma in the dipping neutron star LMXB 4U 1624–490

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Table A.3.

Best-fit parameters and errors for the time-resolved spectral results: Obs. 501.

Obs 501			Clumps 2	Shallow	Persistent
Comp	Param	Unit

`hot`_gal	N_H	(10²² cm⁻²)			2.2 (f)
`hot`_loc	N_H	(10²² cm⁻²)	8.8 $_{- 0.1}^{+ 0.5}$ $_{-0.1}^{+0.5}$	7.82±0.04	7.88±0.03
`bb`	norm	(10¹¹ cm²)			98 $_{- 6}^{+ 9}$ $_{-6}^{+9}$
	T	(keV)			1.30±0.01
`pow`	norm	(10⁴⁴ ph/s/keV)			52.2±1.6
	Γ				1.92±0.02
`gaus`	norm	(10⁴⁴ ph/s)			(5.6±0.9)×10⁻²
	E	(keV)			6.44±0.04
	FWHM	(keV)			0.23 (f)
`xabs`	N_H	(10²² cm⁻²)	28.7 $_{- 0.5}^{+ 0.9}$ $_{-0.5}^{+0.9}$	10.5 $_{- 0.2}^{+ 11.2}$ $_{-0.2}^{+11.2}$
	log ξ		3.73±0.06	4.85 $_{- 0.20}^{+ 0.14}$ $_{-0.20}^{+0.14}$	/
	fcov	(%)	> 38	> 9

Halo
`hot`_loc	N_H	(10²² cm⁻²)	8.0±0.1	8.0 (f)	8.0 (f)
`etau`	tau0				2.50_−0.04

C (d.o.f)	462 (260)

Note:

(f) parameter frozen to shown value; All parameters are coupled when no value is shown, while “/” indicates that the component is not included.

In the text, we refer to results on cold absorption as hot_loc + hot_gal as discussed in Sect. 3.2.

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