Simultaneous NICER and NuSTAR observations of the ultraluminous source NGC 4190 ULX-1

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Volume 686 (June 2024)

A&A, 686 (2024) A121

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Table A.1.

Best fit parameters and 90% level uncertainties derived from XMM-Newton average spectra.

Component	Parameter	Observation
		0654650101		0654650201		0654650301
		SIMPL	CUTOFFPL	SIMPL	CUTOFFPL	SIMPL	CUTOFFPL
CONS	C_MOS1	0.99 ± 0.03	0.99 ± 0.03	$1 . 09_{- 0.03}^{+ 0.02}$ $1.09^{+0.02}_{-0.03}$	$1 . 08_{- 0.03}^{+ 0.02}$ $1.08^{+0.02}_{-0.03}$	1.01 ± 0.02	$1 . 01_{- 0.02}^{+ 0.03}$ $1.01^{+0.03}_{-0.02}$
	C_MOS2	0.95 ± 0.03	0.94 ± 0.03	$1 . 04_{- 0.02}^{+ 0.03}$ $1.04^{+0.03}_{-0.02}$	$1 . 04_{- 0.03}^{+ 0.02}$ $1.04^{+0.02}_{-0.03}$	1.03 ± 0.02	1.03 ± 0.02
TBABS	N_H (10²² cm⁻²)	$0 . 06_{- 0.04}^{+ 0.05}$ $0.06^{+0.05}_{-0.04}$	$0 . 03_{- 0.02}^{+ 0.04}$ $0.03^{+0.04}_{-0.02}$	$0 . 13_{- 0.03}^{+ 0.04}$ $0.13^{+0.04}_{-0.03}$	0.1 ± 0.03	0.09 ± 0.03	$0 . 1_{- 0.03}^{+ 0.02}$ $0.1^{+0.02}_{-0.03}$
DISKBB	kT_in (keV)	0.3 ± 0.1	0.4 ± 0.1	0.24 ± 0.03	$0 . 29_{- 0.04}^{+ 0.05}$ $0.29^{+0.05}_{-0.04}$	$0 . 3_{- 0.05}^{+ 0.06}$ $0.3^{+0.06}_{-0.05}$	$0 . 3_{- 0.05}^{+ 0.08}$ $0.3^{+0.08}_{-0.05}$
CUTOFFPL	Γ	–	0.59^†	–	0.59^†	–	0.59^†
	E_fold (keV)	–	7.1^†	–	7.1^†	–	7.1^†
SIMPL	Γ	3.4^†	–	3.4^†	–	3.4^†	–
	CF	0.9^†	–	0.9^†	–	0.9^†	–
DISKPBB	kT (keV)	$0 . 84_{- 0.06}^{+ 0.1}$ $0.84^{+0.1}_{-0.06}$	$1 . 3_{- 0.2}^{+ 0.1}$ $1.3^{+0.1}_{-0.2}$	0.76 ± 0.03	$1 . 23_{- 0.06}^{+ 0.09}$ $1.23^{+0.09}_{-0.06}$	$1_{- 0.05}^{+ 0.1}$ $1^{+0.1}_{-0.05}$	1.4 ± 0.2
	p	$0 . 9_{- 0.2}^{+ 0.1}$ $0.9^{+0.1}_{-0.2}$	$0 . 9_{- 0.2}^{+ 0.1}$ $0.9^{+0.1}_{-0.2}$	0.95 ± 0.05	$0 . 95_{- 0.2}^{+ 0.05}$ $0.95^{+0.05}_{-0.2}$	0.9 ± 0.1	$0 . 8_{- 0.1}^{+ 0.2}$ $0.8^{+0.2}_{-0.1}$
Luminosity	10³⁹ erg s⁻¹	3.7 ± 0.4		4.3 ± 0.5		7.5 ± 0.7
χ²/dof		299.3/232	297.8/231	244.1/232	222.0/231	263.7/274	264.3/273

Notes. Unabsorbed luminosities are estimated in the 0.3-30 keV energy range, using a distance of 2900 kpc. The † symbol indicates the parameters was frozen during the fit.

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