Evolution of the Comptonizing medium of the black-hole candidate Swift J1727.8–1613 along the hard to hard-intermediate state transition using NICER

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Table A.4.

Same as Table A.2 for observation numbers 26 to 36.

						Observation number
Component	Parameter	26	27	28	29	30	31	32	33	34	35	36
	QPO frequency (Hz)	1.352 ± 0.005	1.397 ± 0.01	2.267 ± 0.01	2.76 ± 0.008	2.455 ± 0.008	3.154 ± 0.007	3.378 ± 0.008	2.827 ± 0.008	2.704 ± 0.005	2.606 ± 0.004	2.056 ± 0.004
	time lag (10⁻² sec)	−0.06±0.14	−0.85±0.24	−1.1±0.45	−1.51±0.32	−0.79±0.14	−1.18±0.09	−1.05±0.16	−0.97±0.14	−0.77±0.06	−0.81±0.06	−0.6±0.08
TBfeo	N_H (10²² cm⁻²)	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a	[0.28]^a
diskbb	kT_in (keV)	0.403±0.004	0.414±0.004	0.490±0.006	0.512±0.006	0.480±0.005	0.530±0.006	0.548±0.008	0.518±0.006	0.502±0.006	0.500±0.006	0.453±0.005
	N_disk^b (10⁴)	8.2±0.2	7.7±0.2	3.8±0.1	2.5±0.1	3.5±0.1	1.9±0.1	1.6±0.2	2.8±0.1	2.7±0.1	2.7±0.1	4.2±0.1
	F_disk^⋆ (10⁻⁸ ergs cm⁻² s⁻¹)	4.4 ± 0.1	4.7 ± 0.1	4.6 ± 0.3	3.6 ± 0.3	3.9 ± 0.2	3.1 ± 0.3	3.0 ± 0.5	4.2 ± 0.3	3.6 ± 0.2	3.5 ± 0.2	3.7 ± 0.2
nthComp	Γ	1.870±0.005	1.845±0.009	2.020±0.014	2.148±0.012	2.075±0.010	2.223±0.010	2.256±0.011	2.122±0.013	2.149±0.011	2.172±0.009	2.054±0.007
	kT_e (keV)	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a	[40]^a
	N_nthComp	29.6±0.4	28.5±0.4	30.2±0.8	35.2±0.8	33.1±0.7	38.8±0.9	40.0±1.4	33.8±0.8	34.8±0.7	33.9±0.7	29.8±0.5
	F_nthComp^⋆ (10⁻⁸ ergs cm⁻² s⁻¹)	40.3 ± 0.2	41.6 ± 0.4	33.8 ± 0.2	33.2 ± 0.2	33.5 ± 0.1	33.9 ± 0.2	34.3 ± 0.3	33.3 ± 0.2	32.4 ± 0.2	30.6 ± 0.1	30.3 ± 0.1
gaussian	lineE (keV)	[6.4]^a	[6.4]^a	–	–	–	–	–	–	[6.4]^a	–	[6.4]^a
	σ (keV)	[1.0]^a	0.7±0.2	–	–	–	–	–	–	0.8±0.3	–	[1.0]^a
	Strength (10⁻¹)	[2.0]^a	1.0±0.3	–	–	–	–	–	–	0.6±0.3	–	[2.0]^a
vkdualdk	kT_{s, 1} (keV)	$0 . 297_{- 0.042}^{+ 0.034}$ $0.297^{+0.034}_{-0.042}$	$0 . 262_{- 0.120}^{+ 0.159}$ $0.262^{+0.159}_{-0.120}$	$0 . 284_{- 0.033}^{+ 0.052}$ $0.284^{+0.052}_{-0.033}$	$0 . 363_{- 0.044}^{+ 0.058}$ $0.363^{+0.058}_{-0.044}$	$0 . 336_{- 0.043}^{+ 0.056}$ $0.336^{+0.056}_{-0.043}$	$0 . 482_{- 0.022}^{+ 0.026}$ $0.482^{+0.026}_{-0.022}$	$0 . 430_{- 0.074}^{+ 0.060}$ $0.430^{+0.060}_{-0.074}$	$0 . 396_{- 0.027}^{+ 0.044}$ $0.396^{+0.044}_{-0.027}$	$0 . 382_{- 0.017}^{+ 0.021}$ $0.382^{+0.021}_{-0.017}$	$0 . 369_{- 0.106}^{+ 0.053}$ $0.369^{+0.053}_{-0.106}$	$0 . 278_{- 0.048}^{+ 0.083}$ $0.278^{+0.083}_{-0.048}$
	L₁ (10³ km)	$1 . 8_{- 0.2}^{+ 0.3}$ $1.8^{+0.3}_{-0.2}$	$4 . 1_{- 1.1}^{+ 3.9}$ $4.1^{+3.9}_{-1.1}$	$1 . 1_{- 0.5}^{+ 0.9}$ $1.1^{+0.9}_{-0.5}$	$2 . 4_{- 0.6}^{+ 1.2}$ $2.4^{+1.2}_{-0.6}$	$1 . 9_{- 0.7}^{+ 1.4}$ $1.9^{+1.4}_{-0.7}$	$2 . 1_{- 0.4}^{+ 0.5}$ $2.1^{+0.5}_{-0.4}$	$1 . 9_{- 0.5}^{+ 0.3}$ $1.9^{+0.3}_{-0.5}$	$1 . 1_{- 0.4}^{+ 0.5}$ $1.1^{+0.5}_{-0.4}$	1.7±0.3	$1 . 5_{- 0.4}^{+ 0.6}$ $1.5^{+0.6}_{-0.4}$	$1 . 5_{- 0.4}^{+ 0.5}$ $1.5^{+0.5}_{-0.4}$
	L₂ (10³ km)	$2 . 4_{- 0.4}^{+ 0.6}$ $2.4^{+0.6}_{-0.4}$	$4 . 8_{- 2.1}^{+ 4.4}$ $4.8^{+4.4}_{-2.1}$	[1.1]^b	[2.4]^b	[1.9]^b	[2.1]^b	[1.9]^b	[1.1]^b	[1.7]^b	$1 . 4_{- 1.0}^{+ 0.7}$ $1.4^{+0.7}_{-1.0}$	1.8±0.5
	η₁	$0 . 28_{- 0.04}^{+ 0.02}$ $0.28^{+0.02}_{-0.04}$	$0 . 27_{- 0.09}^{+ 0.16}$ $0.27^{+0.16}_{-0.09}$	$0 . 22_{- 0.05}^{+ 0.07}$ $0.22^{+0.07}_{-0.05}$	$0 . 24_{- 0.10}^{+ 0.08}$ $0.24^{+0.08}_{-0.10}$	$0 . 28_{- 0.09}^{+ 0.08}$ $0.28^{+0.08}_{-0.09}$	$0 . 34_{- 0.04}^{+ 0.08}$ $0.34^{+0.08}_{-0.04}$	$0 . 26_{- 0.02}^{+ 0.12}$ $0.26^{+0.12}_{-0.02}$	$0 . 32_{- 0.03}^{+ 0.06}$ $0.32^{+0.06}_{-0.03}$	0.32±0.03	$0 . 33_{- 0.06}^{+ 0.02}$ $0.33^{+0.02}_{-0.06}$	$0 . 27_{- 0.04}^{+ 0.06}$ $0.27^{+0.06}_{-0.04}$
	η₂	0.36±0.01	$0 . 38_{- 0.07}^{+ 0.20}$ $0.38^{+0.20}_{-0.07}$	$0 . 35_{- 0.18}^{+ 0.05}$ $0.35^{+0.05}_{-0.18}$	0.30±0.12	0.36±0.08	$0 . 36_{- 0.12}^{+ 0.07}$ $0.36^{+0.07}_{-0.12}$	$0 . 01_{- 0.01}^{+ 0.70}$ $0.01^{+0.70}_{-0.01}$	0.41±0.04	0.41±0.03	$0 . 45_{- 0.04}^{+ 0.08}$ $0.45^{+0.08}_{-0.04}$	$0 . 44_{- 0.04}^{+ 0.03}$ $0.44^{+0.03}_{-0.04}$
	$δ {\dot{H}}_{ext, 1}$ $\delta \dot {H}_{\mathrm {ext,1}}$	$9 . 90_{- 2.74}^{+ 1.32}$ $9.90^{+1.32}_{-2.74}$	$7 . 80_{- 11.44}^{+ 3.77}$ $7.80^{+3.77}_{-11.44}$	$5 . 70_{- 3.77}^{+ 2.52}$ $5.70^{+2.52}_{-3.77}$	$2 . 30_{- 0.93}^{+ 0.81}$ $2.30^{+0.81}_{-0.93}$	$2 . 40_{- 1.04}^{+ 0.84}$ $2.40^{+0.84}_{-1.04}$	$2 . 20_{- 0.57}^{+ 0.46}$ $2.20^{+0.46}_{-0.57}$	$0 . 90_{- 1.96}^{+ 0.50}$ $0.90^{+0.50}_{-1.96}$	$3 . 50_{- 0.94}^{+ 0.70}$ $3.50^{+0.70}_{-0.94}$	$3 . 00_{- 0.46}^{+ 0.44}$ $3.00^{+0.44}_{-0.46}$	$2 . 60_{- 1.08}^{+ 0.79}$ $2.60^{+0.79}_{-1.08}$	$5 . 80_{- 1.71}^{+ 1.50}$ $5.80^{+1.50}_{-1.71}$
	$δ {\dot{H}}_{ext, 2}$ $\delta \dot {H}_{\mathrm {ext,2}}$	$2 . 1_{- 0.6}^{+ 0.9}$ $2.1^{+0.9}_{-0.6}$	$1 . 0_{- 1.3}^{+ 0.6}$ $1.0^{+0.6}_{-1.3}$	$0 . 5_{- 0.2}^{+ 0.3}$ $0.5^{+0.3}_{-0.2}$	$0 . 4_{- 0.2}^{+ 0.3}$ $0.4^{+0.3}_{-0.2}$	$0 . 4_{- 0.4}^{+ 0.3}$ $0.4^{+0.3}_{-0.4}$	$1 . 3_{- 0.6}^{+ 0.8}$ $1.3^{+0.8}_{-0.6}$	$0 . 1_{- 0.3}^{+ 0.1}$ $0.1^{+0.1}_{-0.3}$	1.1±0.3	0.8±0.2	$0 . 6_{- 1.4}^{+ 0.4}$ $0.6^{+0.4}_{-1.4}$	$0 . 6_{- 0.6}^{+ 0.2}$ $0.6^{+0.2}_{-0.6}$
	ϕ (rad)	−3.14±0.01	$- 3 . 11_{- 0.11}^{+ 0.20}$ $-3.11^{+0.20}_{-0.11}$	[−3]^a	[−3]^a	[−3]^a	[−3]^a	[−3]^a	[−3]^a	[−3]^a	$- 2 . 92_{- 0.16}^{+ 0.51}$ $-2.92^{+0.51}_{-0.16}$	$- 2 . 90_{- 0.16}^{+ 0.13}$ $-2.90^{+0.13}_{-0.16}$
	reflag (10⁻²)	−0.8±1.3	−5.6±2.2	−9.6±4.7	−12.6±4.0	−10.1±3.0	−16.1±2.0	−13.3±2.9	−16.9±3.9	−12.6±1.7	−12.4±1.5	−9.1±1.5
	η_{int, 1}	$0 . 021_{- 0.004}^{+ 0.005}$ $0.021^{+0.005}_{-0.004}$	$0 . 018_{- 0.002}^{+ 0.006}$ $0.018^{+0.006}_{-0.002}$	$0 . 023_{- 0.004}^{+ 0.005}$ $0.023^{+0.005}_{-0.004}$	$0 . 036_{- 0.008}^{+ 0.010}$ $0.036^{+0.010}_{-0.008}$	0.035±0.006	0.056±0.006	$0 . 044_{- 0.002}^{+ 0.004}$ $0.044^{+0.004}_{-0.002}$	0.044±0.004	0.046±0.003	$0 . 050_{- 0.007}^{+ 0.011}$ $0.050^{+0.011}_{-0.007}$	0.030±0.004
	η_{int, 2}	0.028±0.002	0.028±0.005	$0 . 042_{- 0.007}^{+ 0.006}$ $0.042^{+0.006}_{-0.007}$	$0 . 048_{- 0.015}^{+ 0.019}$ $0.048^{+0.019}_{-0.015}$	0.048±0.008	$0 . 060_{- 0.006}^{+ 0.008}$ $0.060^{+0.008}_{-0.006}$	$0 . 002_{- 0.001}^{+ 0.047}$ $0.002^{+0.047}_{-0.001}$	0.058±0.005	0.061±0.003	$0 . 067_{- 0.007}^{+ 0.004}$ $0.067^{+0.004}_{-0.007}$	$0 . 054_{- 0.003}^{+ 0.002}$ $0.054^{+0.002}_{-0.003}$

	χ² (dof)	211.1 (229 )	210.3 (190 )	144.1 (147 )	157.9 (145 )	164.7 (153 )	159.9 (160 )	115.7 (153 )	155.7 (153 )	193.5 (219 )	263.4 (220 )	254.4 (219 )

Notes. Rows are defined as in Table A.2.

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