The Close AGN Reference Survey (CARS) - Long-term spectral variability study of the changing-look AGN Mrk 1018

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Table 2.

Best parameter estimates obtained from BXA fits to the XMM-Newton and Suzaku datasets.

Parameters	XMM1	XMM2	Suz	XMM3	XMM4	XMM5
`M1=TBabs*zpowerlw`

Γ_M1	2.08±0.03	2.10±0.01	$1 . 94_{- 0.02}^{+ 0.01}$ $1.94^{+0.01}_{-0.02}$	1.77±0.01	$1 . 77_{- 0.01}^{+ 0.02}$ $1.77^{+0.02}_{-0.01}$	1.77±0.02
A [10⁻³]	3.73±0.08	$5 . 13_{- 0.04}^{+ 0.03}$ $5.13^{+0.03}_{-0.04}$	3.82±0.05	0.57±0.01	0.275±0.004	0.268±0.004
C	649.32	2202.89	2952.62	1976.62	1222.69	1155.96
C/d.o.f.	1.27	1.54	1.27	1.21	1.25	1.22
logZ	−148.87	−487.89	−649.38	−438.98	−274.40	−259.81

`M2=TBabs*[zpowerlw(1) + zpowerlw(2)]`

Γ₁	$2 . 68_{- 0.23}^{+ 0.36}$ $2.68^{+0.36}_{-0.23}$	$2 . 46_{- 0.07}^{+ 0.09}$ $2.46^{+0.09}_{-0.07}$	$3 . 18_{- 0.19}^{+ 0.23}$ $3.18^{+0.23}_{-0.19}$	$1 . 97_{- 0.05}^{+ 0.08}$ $1.97^{+0.08}_{-0.05}$	$2 . 03_{- 0.06}^{+ 0.09}$ $2.03^{+0.09}_{-0.06}$	1.96±0.03
A₁ [10⁻³]	$2 . 02_{- 0.71}^{+ 0.83}$ $2.02^{+0.83}_{-0.71}$	$3 . 92_{- 0.46}^{+ 0.36}$ $3.92^{+0.36}_{-0.46}$	$1 . 43_{- 0.28}^{+ 0.32}$ $1.43^{+0.32}_{-0.28}$	$0 . 50_{- 0.05}^{+ 0.03}$ $0.50^{+0.03}_{-0.05}$	$0 . 24_{- 0.025}^{+ 0.014}$ $0.24^{+0.014}_{-0.025}$	$0 . 244_{- 0.007}^{+ 0.005}$ $0.244^{+0.005}_{-0.007}$
Γ₂	$1 . 39_{- 0.36}^{+ 0.24}$ $1.39^{+0.24}_{-0.36}$	$1 . 21_{- 0.20}^{+ 0.17}$ $1.21^{+0.17}_{-0.20}$	$1 . 64_{- 0.06}^{+ 0.05}$ $1.64^{+0.05}_{-0.06}$	$0 . 82_{- 0.24}^{+ 0.25}$ $0.82^{+0.25}_{-0.24}$	$0 . 77_{- 0.23}^{+ 0.24}$ $0.77^{+0.24}_{-0.23}$	$0 . 58_{- 0.07}^{+ 0.16}$ $0.58^{+0.16}_{-0.07}$
A₂ [10⁻³]	$1 . 39_{- 0.77}^{+ 0.70}$ $1.39^{+0.70}_{-0.77}$	$0 . 90_{- 0.33}^{+ 0.44}$ $0.90^{+0.44}_{-0.33}$	$2 . 44_{- 0.29}^{+ 0.27}$ $2.44^{+0.27}_{-0.29}$	$0 . 054_{- 0.025}^{+ 0.052}$ $0.054^{+0.052}_{-0.025}$	$0 . 028_{- 0.012}^{+ 0.023}$ $0.028^{+0.023}_{-0.012}$	$0 . 016_{- 0.003}^{+ 0.007}$ $0.016^{+0.007}_{-0.003}$
C	533.06	1552.48	2390.05	1748.31	1079.43	1039.99
C/d.o.f.	1.04	1.09	1.03	1.07	1.10	1.10
logZ	−125.78	−349.69	−530.01	−392.20	−246.03	−238.62

`M3=TBabs*(compTT + zpowerlw + uxclumpy-reflect)`

k_BT_e,warm	0.18±0.04 ^†	$0 . 13_{- 0.03}^{+ 0.02}$ $0.13^{+0.02}_{-0.03}$	$0 . 20_{- 0.04}^{+ 0.03}$ $0.20^{+0.03}_{-0.04}$	$0 . 20_{- 0.02}^{+ 0.03}$ $0.20^{+0.03}_{-0.02}$	$0 . 17_{- 0.11}^{+ 0.09}$ $0.17^{+0.09}_{-0.11}$ ^†	0.17^⋆
τ_warm	$18_{- 3}^{+ 6}$ $18^{+6}_{-3}$ ^†	$28_{- 4}^{+ 12}$ $28^{+12}_{-4}$	$15_{- 2}^{+ 5}$ $15^{+5}_{-2}$	$18_{- 3}^{+ 2}$ $18^{+2}_{-3}$	$14_{- 5}^{+ 12}$ $14^{+12}_{-5}$ ^†	14^⋆
A_compTT	$1 . 44_{- 0.62}^{+ 1.09}$ $1.44^{+1.09}_{-0.62}$ ^†	$0 . 75_{- 0.40}^{+ 0.25}$ $0.75^{+0.25}_{-0.40}$	$2 . 60_{- 1.09}^{+ 0.98}$ $2.60^{+0.98}_{-1.09}$	$0 . 057_{- 0.011}^{+ 0.024}$ $0.057^{+0.024}_{-0.011}$	$0 . 12_{- 0.10}^{+ 0.52}$ $0.12^{+0.52}_{-0.10}$	<0.1
Γ	$1 . 80_{- 0.08}^{+ 0.11}$ $1.80^{+0.11}_{-0.08}$	1.97±0.03	$1 . 82_{- 0.02}^{+ 0.03}$ $1.82^{+0.03}_{-0.02}$	$1 . 68_{- 0.03}^{+ 0.02}$ $1.68^{+0.02}_{-0.03}$	$1 . 80_{- 0.03}^{+ 0.03}$ $1.80^{+0.03}_{-0.03}$	$1 . 83_{- 0.03}^{+ 0.02}$ $1.83^{+0.02}_{-0.03}$
A_PL [10⁻³]	$2 . 85_{- 0.22}^{+ 0.23}$ $2.85^{+0.23}_{-0.22}$	4.4±0.11	$3 . 28_{+ 0.10}^{- 0.12}$ $3.28^{-0.12}_{+0.10}$	$0 . 51_{- 0.02}^{+ 0.01}$ $0.51^{+0.01}_{-0.02}$	0.26±0.01	0.261±0.005
A_REFL [10⁻³]	<9.6	$15 . 9_{- 3.7}^{+ 4.7}$ $15.9^{+4.7}_{-3.7}$	$4 . 40_{- 1.27}^{+ 1.61}$ $4.40^{+1.61}_{-1.27}$	$1 . 06_{- 0.26}^{+ 0.21}$ $1.06^{+0.21}_{-0.26}$	$1 . 85_{- 0.30}^{+ 0.40}$ $1.85^{+0.40}_{-0.30}$	$2 . 15_{- 0.36}^{+ 0.39}$ $2.15^{+0.39}_{-0.36}$
${[\frac{F_{SX, COMPTT}}{F_{TOT}}]}_{0.3 - 2.0 keV}$ $\left [\frac {F_{\mathrm {SX,COMPTT}}}{F_{\mathrm {TOT}}} \right ]_{\mathrm {0.3-2.0\,keV}}$	$0 . 25_{- 0.06}^{+ 0.05}$ $0.25^{+0.05}_{-0.06}$	0.14±0.02	0.24±0.03	$0 . 10_{- 0.01}^{+ 0.02}$ $0.10^{+0.02}_{-0.01}$	0.03±0.02	<0.02
${[\frac{F_{REFL, UXCL}}{F_{TOT}}]}_{2 - 10 keV}$ $\left [\frac {F_{\mathrm {REFL,UXCL}}}{F_{\mathrm {TOT}}} \right ]_{\mathrm {2-10\,keV}}$	<0.07	0.08±0.02	0.04±0.01	0.06±0.01	0.16±0.02	0.18±0.03
C	531.78	1555.71	2330.62	1701.94	1031.37	940.33
C/d.o.f.	1.04	1.09	1.00	1.05	1.06	0.99
log Z	−127.16	−353.62	−520.17	−388.63	−235.51	−216.20

Notes. All parameter estimates are the median value of the BXA-posterior distributions, and the uncertainties correspond to 90% confidence limits, unless marked otherwise.

^†

Exhibits bimodal posteriors. The quoted parameter values correspond to the distribution around the mode about which the integrated probability is higher.

^⋆

Parameters were kept frozen when calculating the upper limit to A_compTT.

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