Evidence of a non-conservative mass transfer in the ultra-compact X-ray source XB 1916-053

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Table 7.

Best-fit parameters of the spectrum during the dip.

		Dip spectrum
Model	Component

CONSTANT	C_HEG	0.92 ± 0.08
PARTCOV	f_cabs^(a)	> 0.68
CABS	N_{H_cabs}^(b) (×10²²)
ZXIPCF	N_H_ξ (×10²²)
	log(ξ)
	f	> 0.68
	Redshift	0 (fixed)
TBABS	N_H(×10²²)	0.9 ± 0.2
NTHCOMP	Γ	1.8 (fixed)
	kT_bb (keV)	0.16 (fixed)
	kT_e (keV)	4.3 (fixed)
	Norm (×10⁻²)	7.2 ± 1.4
	χ²/d.o.f.	18.3/76

Notes.

^(a)

The value of the parameter is tied to the value of f.

^(b)

The value of the parameter is tied to the value of N_{H_ξ}.

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