Investigating the interplay between the coronal properties and the hard X-ray variability of active galactic nuclei with NuSTAR

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Volume 690 (October 2024)

A&A, 690 (2024) A145

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Table 2.

Coronal parameters of our sample derived with the models described in Sect. 3.

Source	kT_sl (keV)	τ_sl	kT_sph (keV)	τ_sph	L_{2 − 10 keV}	F_{2 − 10 keV}	Model
1H0419-577	$14_{- 1}^{+ 2}$ $14^{+2}_{-1}$	$2 . 5_{- 0.3}^{+ 0.2}$ $2.5^{+0.2}_{-0.3}$	$14_{- 1}^{+ 2}$ $14^{+2}_{-1}$	$5 . 7_{- 0.5}^{+ 0.4}$ $5.7^{+0.4}_{-0.5}$	35 ± 5	1.3 ± 0.2	A
4C50.55	$18_{- 2}^{+ 5}$ $18^{+5}_{-2}$	$2 . 2_{- 0.3}^{+ 0.2}$ $2.2^{+0.2}_{-0.3}$	$18_{- 2}^{+ 3}$ $18^{+3}_{-2}$	$5 . 2_{- 0.5}^{+ 0.4}$ $5.2^{+0.4}_{-0.5}$	10.0 ± 0.1	8.0 ± 0.1	A
Ark 564	15 ± 2	1.4 ± 0.1	16 ± 1	3.3 ± 0.3	3.5 ± 0.1	6.4 ± 0.1	A
ESO 103-G35	$17_{- 3}^{+ 18}$ $17^{+18}_{-3}$	$2 . 2_{- 0.7}^{+ 0.3}$ $2.2^{+0.3}_{-0.7}$	$17_{- 3}^{+ 7}$ $17^{+7}_{-3}$	5.2 ± 0.7	0.8 ± 0.2	1.9 ± 0.5	C
ESO 362-G18	$18_{- 4}^{+ 14}$ $18^{+14}_{-4}$	$2 . 5_{- 0.9}^{+ 0.4}$ $2.5^{+0.4}_{-0.9}$	$18_{- 4}^{+ 15}$ $18^{+15}_{-4}$	$5 . 8_{- 1.8}^{+ 0.8}$ $5.8^{+0.8}_{-1.8}$	0.04 ± 0.01	1.1 ± 0.1	B
ESO 383-G18	$7 . 3_{- 0.4}^{+ 0.5}$ $7.3^{+0.5}_{-0.4}$	4.7 ± 0.3	$7 . 3_{- 0.4}^{+ 0.5}$ $7.3^{+0.5}_{-0.4}$	10.1 ± 0.6	0.03 ± 0.01	0.5 ± 0.1	C
GRS 1734-292	$13_{- 1}^{+ 2}$ $13^{+2}_{-1}$	2.9 ± 0.2	$13_{- 1}^{+ 2}$ $13_{-1}^{+2}$	6.5 ± 0.4	0.6 ± 0.1	2.9 ± 0.1	A
HE 1143-1810	$36_{- 19}^{+ 64}$ $36^{+64}_{-19}$	$1 . 2_{- 0.8}^{+ 1.1}$ $1.2^{+1.1}_{-0.8}$	$22_{- 5}^{+ 61}$ $22^{+61}_{-5}$	$4 . 4_{- 2.9}^{+ 0.9}$ $4.4^{+0.9}_{-2.9}$	6.0 ± 1.9	2.7 ± 0.9	A
IC 4329A	$44_{- 10}^{+ 20}$ $44^{+20}_{-10}$	1.1 ± 0.3	$44_{- 11}^{+ 17}$ $44^{+17}_{-11}$	2.8 ± 0.7	5.6 ± 0.4	12.0 ± 0.7	A
MCG-5-23-16	41 ± 11	0.9 ± 0.2	$35_{- 11}^{+ 10}$ $35^{+10}_{-11}$	2.7 ± 0.3	1.80 ± 0.02	10.4 ± 0.2	B
MCG+8-11-11	$110_{- 40}^{+ 140}$ $110^{+140}_{-40}$	0.3 ± 0.2	$90_{- 45}^{+ 125}$ $90^{+125}_{-45}$	$1 . 2_{- 0.4}^{+ 0.7}$ $1.2^{+0.7}_{-0.4}$	5.1 ± 0.6	5.6 ± 0.7	B
Mrk 6	$13_{- 2}^{+ 4}$ $13^{+4}_{-2}$	$3 . 4_{- 0.6}^{+ 0.4}$ $3.4^{+0.4}_{-0.6}$	$13_{- 2}^{+ 4}$ $13^{+4}_{-2}$	$7 . 5_{- 1.1}^{+ 0.7}$ $7.5^{+0.7}_{-1.1}$	0.99 ± 0.02	0.70 ± 0.01	C
Mrk 110	$35_{- 10}^{+ 15}$ $35^{+15}_{-10}$	$1 . 2_{- 0.4}^{+ 0.5}$ $1.2^{+0.5}_{-0.4}$	$24_{- 5}^{+ 17}$ $24^{+17}_{-5}$	$4 . 0_{- 1.4}^{+ 0.6}$ $4.0^{+0.6}_{-1.4}$	9 ± 3	3.1 ± 0.8	B
Mrk 509	$17_{- 1}^{+ 2}$ $17^{+2}_{-1}$	2.2 ± 0.1	$17_{- 1}^{+ 2}$ $17^{+2}_{-1}$	$5 . 2_{- 0.3}^{+ 0.2}$ $5.2^{+0.2}_{-0.3}$	12.0 ± 0.3	4.5 ± 0.1	A
NGC 3281	$11_{- 2}^{+ 4}$ $11^{+4}_{-2}$	$3 . 7_{- 0.9}^{+ 0.8}$ $3.7^{+0.8}_{-0.9}$	$11_{- 2}^{+ 4}$ $11^{+4}_{-2}$	8 ± 2	0.23 ± 0.04	0.4 ± 0.1	C
NGC 5506	$510_{- 150}^{+ 250}$ $510^{+250}_{-150}$	0.02 ± 0.01	550 ± 250	$0 . 09_{- 0.05}^{+ 0.30}$ $0.09_{-0.05}^{+0.30}$	0.53 ± 0.05	6.2 ± 0.5	A
NGC 5728	13 ± 1	$5_{- 1}^{+ 2}$ $5^{+2}_{-1}$	13 ± 1	$10_{- 3}^{+ 6}$ $10^{+6}_{-3}$	1.4 ± 0.6	0.16 ± 0.6	C
NGC 6814	$60_{- 20}^{+ 24}$ $60^{+24}_{-20}$	$0 . 8_{- 0.3}^{+ 0.7}$ $0.8^{+0.7}_{-0.3}$	$82_{- 10}^{+ 80}$ $82^{+80}_{-10}$	$1 . 5_{- 0.1}^{+ 0.8}$ $1.5^{+0.8}_{-0.1}$	0.21 ± 0.03	3.8 ± 0.5	B
SWIFTJ2127.4+5654	$33_{- 15}^{+ 37}$ $33^{+37}_{-15}$	$1 . 0_{- 0.6}^{+ 0.8}$ $1.0_{-0.6}^{+0.8}$	$24_{- 7}^{+ 24}$ $24_{-7}^{+24}$	$3 . 5_{- 1.6}^{+ 1.0}$ $3.5_{-1.6}^{+1.0}$	1.4 ± 0.4	2.9 ± 0.8	A
UGC 6728	$28_{- 18}^{+ 16}$ $28^{+16}_{-18}$	2.0 ± 1.2	$28_{- 15}^{+ 17}$ $28^{+17}_{-15}$	5.0 ± 2.0	0.075 ± 0.007	1.1 ± 0.1	B

Notes. Intrinsic luminosities are listed in units of 10⁴³ erg s⁻¹. Observed fluxes are in units of 10⁻¹¹ erg s⁻¹ cm⁻². All values are obtained in this work with the spectral fits briefly described in Appendix B. All spectra are shown in Appendix C.

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