X-ray spectroscopy method of white dwarf mass determination in intermediate polars - External systematic uncertainties

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Table B.1.

Observed data and derived WD masses for intermediate polars.

Name	f_{14 − 195}^a	d^b	L_{14 − 195},	P_s	r_m	M/M_⊙^c
	10⁻¹² erg cm⁻² s⁻¹	pc	10³² erg s⁻¹	sec
IGR J00234+6141	14.1(2.6)	$1557_{- 72}^{+ 104}$ $1557_{-72}^{+104}$	$41_{- 9}^{+ 10}$ $41_{-9}^{+10}$	563.5	13.16	0.99 ± 0.15
V709 Cas	76.6(2.7)	$725_{- 9}^{+ 9}$ $725_{-9}^{+9}$	48.2(2.1)	312.8	8.08	0.94 ± 0.03
515 And	18.5(2.2)	$930_{- 20}^{+ 17}$ $930_{-20}^{+17}$	19.2(2.4)	465.5	7.12	0.72 ± 0.08
IGR J04571+4527	18.5(3.0)	$1498_{- 172}^{+ 185}$ $1498_{-172}^{+185}$	$49_{- 12}^{+ 16}$ $49_{-12}^{+16}$	1218.7	20.06	0.94 ± 0.16
V1062 Tau	25(4)	$1222_{- 72}^{+ 88}$ $1222_{-72}^{+88}$	$45_{- 8}^{+ 9}$ $45_{-8}^{+9}$	3780.0	31.93	0.77 ± 0.10
TV Col	59.3(2.4)	$502 . 8_{- 3.5}^{+ 4}$ $502.8_{-3.5}^{+4}$	18.0(8)	1910.0	21.30	0.80 ± 0.03
TX Col	12.3(1.6)	$909_{- 21}^{+ 18}$ $909_{-21}^{+18}$	$12 . 1_{- 1.6}^{+ 1.7}$ $12.1_{-1.6}^{+1.7}$	1911.0	13.41	0.56 ± 0.08
V405 Aur	33.9(2.6)	$658_{- 8}^{+ 8}$ $658_{-8}^{+8}$	17.6(1.4)	545.5	8.95	0.80 ± 0.06
MU Cam	15.6(1.8)	$931_{- 19}^{+ 23}$ $931_{-19}^{+23}$	$16 . 1_{- 1.9}^{+ 2.0}$ $16.1_{-1.9}^{+2.0}$	1187.3	11.83	0.65 ± 0.08
V647 Aur	13.4(2.7)	$1961_{- 170}^{+ 192}$ $1961_{-170}^{+192}$	$61_{- 15}^{+ 18}$ $61_{-15}^{+18}$	932.9	14.43	0.85 ± 0.17
V418 Gem	7.2(3.1)	$3053_{- 577}^{+ 866}$ $3053_{-577}^{+866}$	$78_{- 39}^{+ 63}$ $78_{-39}^{+63}$	480.7	9.02	0.84 ± 0.27
BG CMi	23.6(2.5)	$867_{- 24}^{+ 26}$ $867_{-24}^{+26}$	$21 . 2_{- 2.5}^{+ 2.7}$ $21.2_{-2.5}^{+2.7}$	913.5	10.66	0.69 ± 0.07
V667 Pup	28.0(2.9)	$1748_{- 104}^{+ 131}$ $1748_{-104}^{+131}$	$102_{- 15}^{+ 18}$ $102_{-15}^{+18}$	512.4	9.41	0.84 ± 0.07
PQ Gem	32.5(2.9)	$734_{- 14}^{+ 16}$ $734_{-14}^{+16}$	20.9(2.0)	833.4	13.33	0.85 ± 0.07
IGR J15094-6649	24.4(3.0)	$1091_{- 23}^{+ 24}$ $1091_{-23}^{+24}$	35(4)	809.4	12.40	0.82 ± 0.08
NY Lup	95.2(3.5)	$1266_{- 30}^{+ 35}$ $1266_{-30}^{+35}$	$183_{- 12}^{+ 13}$ $183_{-12}^{+13}$	693.0	17.68	1.07 ± 0.03
IGR J16500-3307	22.5(2.4)	$1091_{- 52}^{+ 55}$ $1091_{-52}^{+55}$	$32_{- 4}^{+ 5}$ $32_{-4}^{+5}$	571.9	9.64	0.81 ± 0.08
IGR J16547-1916	24.8(2.7)	$990_{- 43}^{+ 33}$ $990_{-43}^{+33}$	29(4)	546.7	9.76	0.83 ± 0.09
V2400 Oph	47.5(2.5)	$700_{- 11}^{+ 10}$ $700_{-11}^{+10}$	27.8(1.7)	927.7	12.03	0.75 ± 0.04
V2731 Oph	68.7(3.2)	$1938_{- 138}^{+ 180}$ $1938_{-138}^{+180}$	$311_{- 47}^{+ 61}$ $311_{-47}^{+61}$	128.0	6.47	1.13 ± 0.04
IGR J18173-2509	14.6(2.3)	$4690_{- 1071}^{+ 1452}$ $4690_{-1071}^{+1452}$	$373_{- 182}^{+ 368}$ $373_{-182}^{+368}$	1663.4	13.86	0.62 ± 0.10
V1223 Sgr	128.5(2.6)	$561_{- 8}^{+ 8}$ $561_{-8}^{+8}$	48.4(1.6)	745.6	10.83	0.77 ± 0.02
V2306 Cyg	13.6(2.7)	$1253_{- 42}^{+ 51}$ $1253_{-42}^{+51}$	$26_{- 5}^{+ 6}$ $26_{-5}^{+6}$	1466.7	14.79	0.70 ± 0.10
V2069 Cyg	17.8(2.6)	$1155_{- 39}^{+ 41}$ $1155_{-39}^{+41}$	28(5)	743.2	13.79	0.91 ± 0.12
RX J2133.7+5107	55.0(2.9)	$1372_{- 35}^{+ 39}$ $1372_{-35}^{+39}$	$124_{- 9}^{+ 10}$ $124_{-9}^{+10}$	570.8	12.19	0.94 ± 0.04
FO Aqr	52.9(3.2)	$532_{- 9}^{+ 7}$ $532_{-9}^{+7}$	17.8(1.2)	1254.0	12.78	0.68 ± 0.03
SWIFT J0525.6+2416	21(4)	$1817_{- 166}^{+ 183}$ $1817_{-166}^{+183}$	$84_{- 20}^{+ 27}$ $84_{-20}^{+27}$	226.3	6.23	0.91 ± 0.12
SWIFT J0614.0+1709	7.8(2.8)	$1631_{- 192}^{+ 270}$ $1631_{-192}^{+270}$	$25_{- 9}^{+ 12}$ $25_{-9}^{+12}$	1412.3	6.70	0.37 ± 0.25
SWIFT J0927.7-6945	8.5(1.9)	$1206_{- 36}^{+ 34}$ $1206_{-36}^{+34}$	$14 . 7_{- 3.4}^{+ 3.5}$ $14.7_{-3.4}^{+3.5}$	1033.0	11.72	0.70 ± 0.13
IGR J14257-6117	12.5(3.2)	$2082_{- 336}^{+ 451}$ $2082_{-336}^{+451}$	$64_{- 26}^{+ 52}$ $64_{-26}^{+52}$	509.5	10.36	0.89 ± 0.22
SWIFT J1701.3-4304	10.6(3.0)	$995_{- 38}^{+ 41}$ $995_{-38}^{+41}$	13(4)	1859.0	25.35	0.91 ± 0.21
IGR J18308-1232	17.1(3.5)	$2218_{- 432}^{+ 512}$ $2218_{-432}^{+512}$	$99_{- 41}^{+ 87}$ $99_{-41}^{+87}$	1820.0	29.25	1.00 ± 0.17
SWIFT J1832.5-0863	19(4)	$1481_{- 419}^{+ 670}$ $1481_{-419}^{+670}$	$48_{- 30}^{+ 113}$ $48_{-30}^{+113}$	1549.0	39.82	1.19 ± 0.20
IGR J18151-1052	11.6(2.9)	$4099_{- 1683}^{+ 2655}$ $4099_{-1683}^{+2655}$	$228_{- 175}^{+ 526}$ $228_{-175}^{+526}$	390.5	10.21	0.98 ± 0.25
SWIFT J0958.0-4208	7.0(2.1)	$1425_{- 79}^{+ 89}$ $1425_{-79}^{+89}$	$17_{- 5}^{+ 6}$ $17_{-5}^{+6}$	7388.0	37.13	0.62 ± 0.23
SWIFT J2006.4+3645	14.4(3.2)	$4459_{- 1030}^{+ 1426}$ $4459_{-1030}^{+1426}$	$337_{- 193}^{+ 538}$ $337_{-193}^{+538}$	1466.7	27.90	1.05 ± 0.18


IGR J12123-5802	13.3(2.7)	$2736_{- 338}^{+ 359}$ $2736_{-338}^{+359}$	$118_{- 34}^{+ 50}$ $118_{-34}^{+50}$	−	60.0	^*0.94 ± 0.19
IGR J16167-4957	22.0(2.7)	$1543_{- 127}^{+ 141}$ $1543_{-127}^{+141}$	$63_{- 12}^{+ 14}$ $63_{-12}^{+14}$	−	60.0	^*0.70 ± 0.08
V2487 Oph	17.8(3.3)	$6407_{- 1634}^{+ 1646}$ $6407_{-1634}^{+1646}$	$832_{- 367}^{+ 644}$ $832_{-367}^{+644}$	−	60.0	^*1.23 ± 0.15


EX Hya	26.3(2.5)	$56 . 77_{- 0.05}^{+ 0.05}$ $56.77_{-0.05}^{+0.05}$	0.10(1)	4021.62	24.74	^**0.62 ± 0.07
XY Ari	30.5(2.2)	308±40	0.28(9)	206.3	8.47	^**1.11 ± 0.09
DO Dra	17.6(2.1)	$194 . 9_{- 1.0}^{+ 1.1}$ $194.9_{-1.0}^{+1.1}$	0.8(1)	530.0	8.03	^**0.73 ± 0.09
V1025 Cen	9.1(2.4)	$196 . 0_{- 3.0}^{+ 3.2}$ $196.0_{-3.0}^{+3.2}$	0.4(1)	2147.0	14.68	^**0.57 ± 0.16
YY Sex	9.8(3.2)	$382_{- 22}^{+ 31}$ $382_{-22}^{+31}$	1.7(6)	1444.0	21.8	^**0.92 ± 0.32
SWIFT J2113.5+5422	7.5(2.4)	$612_{- 44}^{+ 41}$ $612_{-44}^{+41}$	$3 . 3_{- 1.1}^{+ 1.3}$ $3.3_{-1.1}^{+1.3}$	1265.6	10.19	^**0.56 ± 0.13
AO Psc	31.0(2.5)	$462_{- 5}^{+ 4}$ $462_{-5}^{+4}$	7.9(7)	805.2	8.12	^**0.60 ± 0.04
GK Per	61.0(2.7)	$430_{- 6}^{+ 7}$ $430_{-6}^{+7}$	$13 . 5_{- 0.7}^{+ 0.8}$ $13.5_{-0.7}^{+0.8}$	351.0	6.89	^**0.80 ± 0.03

Notes. a) Observed fluxes in 14–195 keV band; b) Distances from Bailer-Jones et al. (2021), except for XY Ari, taken from Álvarez-Hernández et al. (2023); c) an additional systematic uncertainty 0.1M_⊙ has to be added; ^* - lower limit due to possible smaller r_m ; ^** - lower limit due to possible large h_sh.

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