The correlation between dip width and peak flux in Cir X-1

Open Access

Table A.1.

Best-fit parameters for NICER observations

Component	Parameter	Unit	Group 1		Group 2		Group 3		Group 4			Group 5
			pre-dip	dip	pre-dip	dip	pre-dip	dip	pre-dip	dip₁	dip₂	pre-dip	dip
pcfabs	n_H	10²² cm⁻²	$1 . 28_{- 0.08}^{+ 0.08}$ $1.28_{-0.08}^{+0.08}$	$1 . 54_{- 0.11}^{+ 0.10}$ $1.54_{-0.11}^{+0.10}$	$1 . 46_{- 0.16}^{+ 1.02}$ $1.46_{-0.16}^{+1.02}$	$1 . 42_{- 0.22}^{+ 0.23}$ $1.42_{-0.22}^{+0.23}$	$1 . 20_{- 0.12}^{+ 0.17}$ $1.20_{-0.12}^{+0.17}$	$1 . 10_{- 0.27}^{+ 0.36}$ $1.10_{-0.27}^{+0.36}$	$1 . 25_{- 0.15}^{+ 0.18}$ $1.25_{-0.15}^{+0.18}$	$1 . 23_{- 0.28}^{+ 0.29}$ $1.23_{-0.28}^{+0.29}$	$1 . 04_{- 0.15}^{+ 0.21}$ $1.04_{-0.15}^{+0.21}$	$1 . 41_{- 0.19}^{+ 0.20}$ $1.41_{-0.19}^{+0.20}$	$0 . 98_{- 0.08}^{+ 0.14}$ $0.98_{-0.08}^{+0.14}$
	f	-	$0 . 96_{- 0.01}^{+ 0.01}$ $0.96_{-0.01}^{+0.01}$	$0 . 92_{- 0.01}^{+ 0.02}$ $0.92_{-0.01}^{+0.02}$	$0 . 92_{- 0.02}^{+ 0.03}$ $0.92_{-0.02}^{+0.03}$	$0 . 89_{- 0.03}^{+ 0.04}$ $0.89_{-0.03}^{+0.04}$	$0 . 96_{- 0.02}^{+ 0.03}$ $0.96_{-0.02}^{+0.03}$	$0 . 90_{- 0.06}^{+ 0.08}$ $0.90_{-0.06}^{+0.08}$	$0 . 93_{- 0.03}^{+ 0.03}$ $0.93_{-0.03}^{+0.03}$	$0 . 88_{- 0.04}^{+ 0.06}$ $0.88_{-0.04}^{+0.06}$	$0 . 96_{- 0.05}^{+ 0.04}$ $0.96_{-0.05}^{+0.04}$	$0 . 93_{- 0.02}^{+ 0.03}$ $0.93_{-0.02}^{+0.03}$	$0 . 98_{- 0.04}^{+ 0.02}$ $0.98_{-0.04}^{+0.02}$

blackbody	T_bb	keV	$1 . 87_{- 0.11}^{+ 0.17}$ $1.87_{-0.11}^{+0.17}$	$1 . 55_{- 0.01}^{+ 0.02}$ $1.55_{-0.01}^{+0.02}$	$1 . 52_{- 0.99}^{+ 0.10}$ $1.52_{-0.99}^{+0.10}$	$1 . 72_{- 0.06}^{+ 0.09}$ $1.72_{-0.06}^{+0.09}$	$1 . 63_{- 0.03}^{+ 0.03}$ $1.63_{-0.03}^{+0.03}$	$1 . 78_{- 0.14}^{+ 0.18}$ $1.78_{-0.14}^{+0.18}$	$1 . 73_{- 0.05}^{+ 0.07}$ $1.73_{-0.05}^{+0.07}$	$1 . 87_{- 0.10}^{+ 0.15}$ $1.87_{-0.10}^{+0.15}$	$2 . 14_{- 0.14}^{+ 0.17}$ $2.14_{-0.14}^{+0.17}$	$1 . 78_{- 0.06}^{+ 0.06}$ $1.78_{-0.06}^{+0.06}$	$1 . 88_{- 0.14}^{+ 0.15}$ $1.88_{-0.14}^{+0.15}$
	R_bb	km	$6 . 05_{- 1.48}^{+ 1.19}$ $6.05_{-1.48}^{+1.19}$	$2 . 51_{- 0.03}^{+ 0.03}$ $2.51_{-0.03}^{+0.03}$	$9 . 69_{- 1.98}^{+ 1.18}$ $9.69_{-1.98}^{+1.18}$	$1 . 97_{- 0.16}^{+ 0.14}$ $1.97_{-0.16}^{+0.14}$	$6 . 73_{- 0.24}^{+ 0.30}$ $6.73_{-0.24}^{+0.30}$	$1 . 53_{- 0.25}^{+ 0.25}$ $1.53_{-0.25}^{+0.25}$	$8 . 13_{- 0.78}^{+ 0.56}$ $8.13_{-0.78}^{+0.56}$	$2 . 53_{- 0.35}^{+ 0.28}$ $2.53_{-0.35}^{+0.28}$	$1 . 07_{- 0.12}^{+ 0.12}$ $1.07_{-0.12}^{+0.12}$	$7 . 63_{- 0.58}^{+ 0.62}$ $7.63_{-0.58}^{+0.62}$	$1 . 71_{- 0.22}^{+ 0.26}$ $1.71_{-0.22}^{+0.26}$

diskbb	T_in	keV	$1 . 29_{- 0.14}^{+ 0.19}$ $1.29_{-0.14}^{+0.19}$	$0 . 52_{- 0.01}^{+ 0.01}$ $0.52_{-0.01}^{+0.01}$	$0 . 96_{- 0.09}^{+ 0.38}$ $0.96_{-0.09}^{+0.38}$	$0 . 59_{- 0.02}^{+ 0.03}$ $0.59_{-0.02}^{+0.03}$	$0 . 82_{- 0.05}^{+ 0.06}$ $0.82_{-0.05}^{+0.06}$	$0 . 67_{- 0.06}^{+ 0.05}$ $0.67_{-0.06}^{+0.05}$	$0 . 96_{- 0.09}^{+ 0.10}$ $0.96_{-0.09}^{+0.10}$	$0 . 77_{- 0.06}^{+ 0.08}$ $0.77_{-0.06}^{+0.08}$	$0 . 62_{- 0.03}^{+ 0.03}$ $0.62_{-0.03}^{+0.03}$	$0 . 91_{- 0.09}^{+ 0.09}$ $0.91_{-0.09}^{+0.09}$	$0 . 69_{- 0.04}^{+ 0.04}$ $0.69_{-0.04}^{+0.04}$
	R_incos^1/2θ	km	$10 . 44_{- 1.95}^{+ 2.03}$ $10.44_{-1.95}^{+2.03}$	$20 . 06_{- 1.17}^{+ 1.33}$ $20.06_{-1.17}^{+1.33}$	$17 . 55_{- 4.37}^{+ 3.88}$ $17.55_{-4.37}^{+3.88}$	$15 . 79_{- 2.02}^{+ 1.91}$ $15.79_{-2.02}^{+1.91}$	$13 . 33_{- 1.71}^{+ 1.87}$ $13.33_{-1.71}^{+1.87}$	$9 . 93_{- 1.72}^{+ 2.83}$ $9.93_{-1.72}^{+2.83}$	$14 . 42_{- 2.75}^{+ 2.74}$ $14.42_{-2.75}^{+2.74}$	$10 . 58_{- 2.11}^{+ 2.24}$ $10.58_{-2.11}^{+2.24}$	$11 . 84_{- 1.52}^{+ 1.53}$ $11.84_{-1.52}^{+1.53}$	$15 . 61_{- 2.74}^{+ 3.86}$ $15.61_{-2.74}^{+3.86}$	$10 . 92_{- 1.20}^{+ 1.55}$ $10.92_{-1.20}^{+1.55}$

Si XIV Kα	E	keV	-	$2 . 00_{- 0.02}^{+ 0.02}$ $2.00_{-0.02}^{+0.02}$	-	$2 . 00_{- 0.02}^{+ 0.02}$ $2.00_{-0.02}^{+0.02}$	-	$1 . 99_{- 0.02}^{+ 0.02}$ $1.99_{-0.02}^{+0.02}$	-	$1 . 99_{- 0.02}^{+ 0.02}$ $1.99_{-0.02}^{+0.02}$	$2 . 00_{- 0.05}^{+ 0.04}$ $2.00_{-0.05}^{+0.04}$	-	$1 . 99_{- 0.03}^{+ 0.02}$ $1.99_{-0.03}^{+0.02}$
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 78_{- 0.03}^{+ 0.04}$ $0.78_{-0.03}^{+0.04}$	-	$1 . 00_{- 0.34}^{+ 0.31}$ $1.00_{-0.34}^{+0.31}$	-	$0 . 67_{- 0.30}^{+ 0.26}$ $0.67_{-0.30}^{+0.26}$	-	$1 . 50_{- 0.51}^{+ 0.52}$ $1.50_{-0.51}^{+0.52}$	$0 . 30_{- 0.25}^{+ 0.23}$ $0.30_{-0.25}^{+0.23}$	-	$0 . 97_{- 0.18}^{+ 0.19}$ $0.97_{-0.18}^{+0.19}$

S XV Kα	E	keV	-	$2 . 42_{- 0.04}^{+ 0.03}$ $2.42_{-0.04}^{+0.03}$	-	$2 . 49_{- 0.08}^{+ 0.04}$ $2.49_{-0.08}^{+0.04}$	-	-	-	-	-	-	$2 . 43_{- 0.05}^{+ 0.04}$ $2.43_{-0.05}^{+0.04}$
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 49_{- 0.15}^{+ 0.14}$ $0.49_{-0.15}^{+0.14}$	-	$0 . 45_{- 0.13}^{+ 0.12}$ $0.45_{-0.13}^{+0.12}$	-	-	-	-	-	-	$0 . 42_{- 0.30}^{+ 0.33}$ $0.42_{-0.30}^{+0.33}$

S XVI Kα	E	keV	-	$2 . 64_{- 0.02}^{+ 0.02}$ $2.64_{-0.02}^{+0.02}$	-	$2 . 65_{- 0.02}^{+ 0.02}$ $2.65_{-0.02}^{+0.02}$	-	$2 . 63_{- 0.03}^{+ 0.04}$ $2.63_{-0.03}^{+0.04}$	-	$2 . 64_{- 0.03}^{+ 0.04}$ $2.64_{-0.03}^{+0.04}$	-	-	$2 . 65_{- 0.04}^{+ 0.03}$ $2.65_{-0.04}^{+0.03}$
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 82_{- 0.05}^{+ 0.04}$ $0.82_{-0.05}^{+0.04}$	-	$0 . 69_{- 0.12}^{+ 0.13}$ $0.69_{-0.12}^{+0.13}$	-	$0 . 57_{- 0.20}^{+ 0.18}$ $0.57_{-0.20}^{+0.18}$	-	$0 . 73_{- 0.46}^{+ 0.35}$ $0.73_{-0.46}^{+0.35}$	-	-	$0 . 50_{- 0.29}^{+ 0.28}$ $0.50_{-0.29}^{+0.28}$

Ar XVII Kα	E	keV	-	$3 . 12_{- 0.04}^{+ 0.04}$ $3.12_{-0.04}^{+0.04}$	-	$3 . 13_{- 0.04}^{+ 0.17}$ $3.13_{-0.04}^{+0.17}$	-	-	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 26_{- 0.04}^{+ 0.05}$ $0.26_{-0.04}^{+0.05}$	-	$0 . 30_{- 0.14}^{+ 0.04}$ $0.30_{-0.14}^{+0.04}$	-	-	-	-	-	-	-

Ar XVIII Kα	E	keV	-	$3 . 32_{- 0.02}^{+ 0.02}$ $3.32_{-0.02}^{+0.02}$	-	$3 . 30_{- 0.15}^{+ 0.04}$ $3.30_{-0.15}^{+0.04}$	-	$3 . 34_{- 0.03}^{+ 0.03}$ $3.34_{-0.03}^{+0.03}$	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 40_{- 0.04}^{+ 0.03}$ $0.40_{-0.04}^{+0.03}$	-	$0 . 31_{- 0.08}^{+ 0.10}$ $0.31_{-0.08}^{+0.10}$	-	$0 . 39_{- 0.15}^{+ 0.14}$ $0.39_{-0.15}^{+0.14}$	-	-	-	-	-

Ca XIX Kα	E	keV	-	$3 . 91_{- 0.03}^{+ 0.05}$ $3.91_{-0.03}^{+0.05}$	-	$3 . 90_{- 0.04}^{+ 0.04}$ $3.90_{-0.04}^{+0.04}$	-	$3 . 89_{- 0.70}^{+ 0.05}$ $3.89_{-0.70}^{+0.05}$	-	-	-	-	$3 . 89_{- 0.04}^{+ 0.05}$ $3.89_{-0.04}^{+0.05}$
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 19_{- 0.01}^{+ 0.01}$ $0.19_{-0.01}^{+0.01}$	-	$0 . 31_{- 0.07}^{+ 0.08}$ $0.31_{-0.07}^{+0.08}$	-	$0 . 24_{- 0.13}^{+ 0.13}$ $0.24_{-0.13}^{+0.13}$	-	-	-	-	$0 . 27_{- 0.11}^{+ 0.12}$ $0.27_{-0.11}^{+0.12}$

Ca XX Kα	E	keV	-	$4 . 13_{- 0.03}^{+ 0.04}$ $4.13_{-0.03}^{+0.04}$	-	-	-	-	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 23_{- 0.01}^{+ 0.01}$ $0.23_{-0.01}^{+0.01}$	-	-	-	-	-	-	-	-	-

Fe I Kα	E	keV	-	$6 . 45_{- 0.02}^{+ 0.02}$ $6.45_{-0.02}^{+0.02}$	-	$6 . 43_{- 0.03}^{+ 0.03}$ $6.43_{-0.03}^{+0.03}$	$6 . 43_{- 0.05}^{+ 0.11}$ $6.43_{-0.05}^{+0.11}$	$6 . 45_{- 0.05}^{+ 0.08}$ $6.45_{-0.05}^{+0.08}$	-	$6 . 38_{- 0.03}^{+ 0.03}$ $6.38_{-0.03}^{+0.03}$	$6 . 37_{- 0.02}^{+ 0.02}$ $6.37_{-0.02}^{+0.02}$	-	$6 . 39_{- 0.09}^{+ 0.10}$ $6.39_{-0.09}^{+0.10}$
	σ	keV	-	0 (fixed)	-	0 (fixed)	$0 . 148_{- 0.085}^{+ 0.218}$ $0.148_{-0.085}^{+0.218}$	0 (fixed)	-	0 (fixed)	0 (fixed)	-	0 (fixed)
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 80_{- 0.05}^{+ 0.05}$ $0.80_{-0.05}^{+0.05}$	-	$0 . 47_{- 0.03}^{+ 0.03}$ $0.47_{-0.03}^{+0.03}$	$2 . 30_{- 0.84}^{+ 1.57}$ $2.30_{-0.84}^{+1.57}$	$0 . 41_{- 0.13}^{+ 0.16}$ $0.41_{-0.13}^{+0.16}$	-	$1 . 11_{- 0.34}^{+ 0.33}$ $1.11_{-0.34}^{+0.33}$	$0 . 53_{- 0.11}^{+ 0.12}$ $0.53_{-0.11}^{+0.12}$	-	$0 . 41_{- 0.23}^{+ 0.21}$ $0.41_{-0.23}^{+0.21}$

Fe XXV Kα	E	keV	$6 . 69_{- 0.11}^{+ 0.09}$ $6.69_{-0.11}^{+0.09}$	$6 . 68_{- 0.01}^{+ 0.01}$ $6.68_{-0.01}^{+0.01}$	-	$6 . 67_{- 0.01}^{+ 0.01}$ $6.67_{-0.01}^{+0.01}$	-	$6 . 67_{- 0.01}^{+ 0.02}$ $6.67_{-0.01}^{+0.02}$	-	$6 . 65_{- 0.02}^{+ 0.02}$ $6.65_{-0.02}^{+0.02}$	$6 . 69_{- 0.01}^{+ 0.02}$ $6.69_{-0.01}^{+0.02}$	-	$6 . 67_{- 0.01}^{+ 0.01}$ $6.67_{-0.01}^{+0.01}$
	σ	keV	$0 . 277_{- 0.100}^{+ 0.147}$ $0.277_{-0.100}^{+0.147}$	0 (fixed)	-	0 (fixed)	-	0 (fixed)	-	$0 . 080_{- 0.022}^{+ 0.017}$ $0.080_{-0.022}^{+0.017}$	$0 . 079_{- 0.021}^{+ 0.017}$ $0.079_{-0.021}^{+0.017}$	-	0 (fixed)
	norm	10⁻³ photons cm⁻² s⁻¹	$3 . 55_{- 1.26}^{+ 1.76}$ $3.55_{-1.26}^{+1.76}$	$2 . 49_{- 0.18}^{+ 0.17}$ $2.49_{-0.18}^{+0.17}$	-	$2 . 11_{- 0.24}^{+ 0.21}$ $2.11_{-0.24}^{+0.21}$	-	$1 . 51_{- 0.21}^{+ 0.24}$ $1.51_{-0.21}^{+0.24}$	-	$4 . 13_{- 0.52}^{+ 0.56}$ $4.13_{-0.52}^{+0.56}$	$2 . 05_{- 0.24}^{+ 0.24}$ $2.05_{-0.24}^{+0.24}$	-	$2 . 32_{- 0.34}^{+ 0.26}$ $2.32_{-0.34}^{+0.26}$

Fe XXVI Kα	E	keV	-	$6 . 96_{- 0.01}^{+ 0.01}$ $6.96_{-0.01}^{+0.01}$	-	$6 . 96_{- 0.02}^{+ 0.02}$ $6.96_{-0.02}^{+0.02}$	-	$6 . 93_{- 0.07}^{+ 0.04}$ $6.93_{-0.07}^{+0.04}$	-	$6 . 97_{- 0.02}^{+ 0.02}$ $6.97_{-0.02}^{+0.02}$	$6 . 98_{- 0.03}^{+ 0.02}$ $6.98_{-0.03}^{+0.02}$	-	$6 . 97_{- 0.04}^{+ 0.03}$ $6.97_{-0.04}^{+0.03}$
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 94_{- 0.06}^{+ 0.07}$ $0.94_{-0.06}^{+0.07}$	-	$0 . 94_{- 0.16}^{+ 0.15}$ $0.94_{-0.16}^{+0.15}$	-	$0 . 36_{- 0.15}^{+ 0.16}$ $0.36_{-0.15}^{+0.16}$	-	$1 . 17_{- 0.33}^{+ 0.30}$ $1.17_{-0.33}^{+0.30}$	$0 . 70_{- 0.16}^{+ 0.15}$ $0.70_{-0.16}^{+0.15}$	-	$0 . 65_{- 0.20}^{+ 0.18}$ $0.65_{-0.20}^{+0.18}$

Fe XXV Kβ	E	keV	-	$7 . 81_{- 0.04}^{+ 0.04}$ $7.81_{-0.04}^{+0.04}$	-	$7 . 88_{- 1.18}^{+ 2.54}$ $7.88_{-1.18}^{+2.54}$	-	-	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 35_{- 0.02}^{+ 0.03}$ $0.35_{-0.02}^{+0.03}$	-	$0 . 23_{- 0.06}^{+ 0.04}$ $0.23_{-0.06}^{+0.04}$	-	-	-	-	-	-	-

Fe XXVI Kβ	E	keV	-	$8 . 28_{- 0.05}^{+ 0.06}$ $8.28_{-0.05}^{+0.06}$	-	-	-	-	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 23_{- 0.01}^{+ 0.01}$ $0.23_{-0.01}^{+0.01}$	-	-	-	-	-	-	-	-	-

Fe XXVI Kγ	E	keV	-	$8 . 82_{- 0.14}^{+ 0.06}$ $8.82_{-0.14}^{+0.06}$	-	-	-	-	-	-	-	-	-
	norm	10⁻³ photons cm⁻² s⁻¹	-	$0 . 19_{- 0.04}^{+ 0.05}$ $0.19_{-0.04}^{+0.05}$	-	-	-	-	-	-	-	-	-

-	χ² (DOF)	-	73(135)	151(93)	121(124)	135(96)	108(134)	143(97)	100(132)	132(104)	172(103)	122(122)	132(94)

Notes. ^*All errors show a 90% confidence level and are computed using a Markov chain Monte Carlo technique with a length of 160k. ^** All line widths not listed in the table are fixed at 0.

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