XMM-Newton – NuSTAR monitoring campaign of the Seyfert 1 galaxy IC 4329A

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Volume 687 (July 2024)

A&A, 687 (2024) A51

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Table 3.

Best-fitting parameters for the X-ray broadband XMM-Newton plus NuSTAR spectra of IC 4329A.

Model	Parameter	Obs.ID
		0862090101	0862090301	0862090501	0862090701	0862090901
		60702050002	60702050004	60702050006	60702050008	60702050010

Model A	$\frac{χ^{2}}{d . o . f .} = χ_{r}^{2}$ $\frac{\chi^2}{ \rm d.o.f.} = \chi^2_r$	1.03	0.98	1.01	1.04	0.97

CUTOFFPL	Γ	1.71 ± 0.01	1.65 ± 0.02	1.71 ± 0.02	1.73 ± 0.02	1.77 ± 0.02
CUTOFFPL	E_cut(keV)	$163_{- 35}^{+ 55}$ $163^{+55}_{-35}$	$140_{- 75}^{+ 56}$ $140^{+56}_{-75}$	$220_{- 45}^{+ 89}$ $220^{+89}_{-45}$	$249_{- 92}^{+ 70}$ $249^{+70}_{-92}$	$228_{- 41}^{+ 57}$ $228^{+57}_{-41}$
XILLVER	R_refl	0.006 ± 0.001	0.008 ± 0.002	0.006 ± 0.001	0.009 ± 0.002	0.009 ± 0.001
XILLVER	A_Fe	$3 . 41_{- 0.89}^{+ 1.09}$ $3.41^{+1.09}_{-0.89}$	$3 . 72_{- 1.31}^{+ 2.46}$ $3.72^{+2.46}_{-1.31}$	$3 . 77_{- 1.17}^{+ 1.30}$ $3.77^{+1.30}_{-1.17}$	$3 . 1_{- 0.53}^{+ 1.28}$ $3.1^{+1.28}_{-0.53}$	$1 . 91_{- 0.81}^{+ 1.24}$ $1.91^{+1.24}_{-0.81}$

Model B1	$\frac{χ^{2}}{d . o . f .} = χ_{r}^{2}$ $\frac{\chi^2}{ \rm d.o.f.} = \chi^2_r$	1.06	1.002	1.03	1.06	1.005

CUTOFFPL	Γ	1.75 ± 0.02	1.71 ± 0.01	1.73 ± 0.01	1.74 ± 0.02	1.81 ± 0.02
CUTOFFPL	E_cut(keV)	> 214	> 171	> 210	> 245	> 305
MYTORUS	N_H,tot[10²³ cm⁻²]	2.84 ± 0.63	2.78 ± 0.95	2.67 ± 0.48	2.32 ± 0.84	2.48 ± 0.65

Model B2	$\frac{χ^{2}}{d . o . f .} = χ_{r}^{2}$ $\frac{\chi^2}{ \rm d.o.f.} = \chi^2_r$	1.07	1.01	1.06	1.11	1.006

RXTORUSD	Γ	1.73 ± 0.01	1.70 ± 0.02	1.73 ± 0.04	1.76 ± 0.01	1.76 ± 0.01
RXTORUSD	N_H, tor[10²³ cm⁻²]	$2 . 13_{- 0.38}^{+ 0.83}$ $2.13^{+0.83}_{-0.38}$	3.70 ± 0.51	2.34 ± 0.36	5.10 ± 0.56	3.57 ± 0.76
RXTORUSD	i(deg)	44.91 ± 0.98	44.66 ± 1.25	44.04 ± 1.66	44.83 ± 0.77	45.00 ± 0.34
RXTORUSD	r/R	0.69 ± 0.02	0.69 ± 0.01	0.69 ± 0.02	0.69 ± 0.01	0.69 ± 0.03

Model C	$\frac{χ^{2}}{d . o . f .} = χ_{r}^{2}$ $\frac{\chi^2}{ \rm d.o.f.} = \chi^2_r$	1.05	0.98	0.99	1.04	0.98

XILLVERCP	Γ	1.77 ± 0.01	1.76 ± 0.03	1.80 ± 0.02	1.80 ± 0.01	1.82 ± 0.02
XILLVERCP	kT_e(keV)	$78_{- 26}^{+ 32}$ $78^{+32}_{-26}$	$75_{- 61}^{+ 54}$ $75^{+54}_{-61}$	> 135	> 175	> 175
XILLVERCP	R_refl	< 3.37	1.45 ± 0.62	< 0.82	0.16 ± 0.04	< 0.96
XILLVERCP	A_Fe	> 3.74	> 1.59	$1 . 01_{- 0.25}^{+ 0.85}$ $1.01^{+0.85}_{-0.25}$	$0 . 87_{- 0.16}^{+ 0.63}$ $0.87^{+0.63}_{-0.16}$	< 0.50
XILLVERCP	log(N_H,disk/cm⁻²)	$18 . 01_{- 0.64}^{+ 1.57}$ $18.01^{+1.57}_{-0.64}$	$19 . 18_{- 1.09}^{+ 0.69}$ $19.18^{+0.69}_{-1.09}$	< 16.20	< 17.21	> 15.03

F_2 − 10(10⁻¹¹ erg cm⁻² s⁻¹)		11.04 ± 0.24	7.79 ± 0.53	9.09 ± 0.29	8.64 ± 0.36	8.49 ± 0.27

Notes. Errors are at the 90% confidence levels.

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