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Table 2.

Derived parameters for the two inner binaries A and B.

System CzeV2647 CzeV1645 CzeV3436 OGLE SMC-ECL-1758
PAIR A
Light curve TESS Z.Henzl TESS Z.Henzl TESS Z.Henzl OGLE IV
i [deg] 78.63 ± 0.16 87.81 ± 0.37 83.29 ± 0.33 84.42 ± 0.31 63.92 ± 0.47 61.78 ± 0.85 72.12 ± 0.73
0.257 ± 0.007 0.415 ± 0.018 0.949 ± 0.025 0.998 ± 0.021 0.940 ± 0.026 0.898 ± 0.037 0.63 ± 0.05
T1 [K] 6404 (fixed) 6404 (fixed) 5400 (fixed) 5400 (fixed) 6817 (fixed) 6817 (fixed) 11162 (fixed)
T2 [K] 4459 ± 124 4639 ± 257 4998 ± 112 4956 ± 65 4546 ± 159 4503 ± 201 8457 ± 258
R1/a 0.449 ± 0.002 0.420 ± 0.009 0.314 ± 0.003 0.315 ± 0.005 0.372 ± 0.005 0.384 ± 0.007 0.368 ± 0.005
R2/a 0.199 ± 0.001 0.247 ± 0.007 0.260 ± 0.003 0.225 ± 0.004 0.351 ± 0.008 0.333 ± 0.004 0.286 ± 0.009
L1 [%] 60.1 ± 0.6 42.9 ± 3.4 29.0 ± 0.6 39.4 ± 1.3 38.0 ± 0.6 38.6 ± 1.0 40.1 ± 3.2
L2 [%] 3.5 ± 0.5 2.9 ± 0.9 16.7 ± 0.8 11.6 ± 1.1 8.5 ± 0.5 3.6 ± 0.4 15.0 ± 1.0
L3 [%] 36.4 ± 1.2 54.2 ± 7.2 54.3 ± 2.4 49.0 ± 2.2 53.5 ± 1.4 57.8 ± 1.9 44.9 ± 3.8
PAIR B
Light curve TESS Z.Henzl TESS Z.Henzl TESS Z.Henzl OGLE IV
i [deg] 68.04 ± 0.34 76.71 ± 1.59 83.20 ± 0.81 84.61 ± 0.26 60.41 ± 0.52 57.80 ± 0.64 88.54 ± 1.20
1.011 ± 0.029 0.835 ± 0.047 0.933 ± 0.043 0.970 ± 0.025 1.033 ± 0.039 1.020 ± 0.042 0.62 ± 0.07
T1 [K] 6404 (fixed) 6404 (fixed) 5400 (fixed) 5400 (fixed) 6817 (fixed) 6817 (fixed) 11162 (fixed)
T2 [K] 6379 ± 238 6218 ± 345 5111 ± 103 5096 ± 60 6224 ± 235 6135 ± 277 10675 ± 241
R1/a 0.274 ± 0.006 0.287 ± 0.010 0.223 ± 0.007 0.223 ± 0.002 0.380 ± 0.008 0.375 ± 0.009 0.337 ± 0.005
R2/a 0.186 ± 0.007 0.093 ± 0.009 0.209 ± 0.005 0.213 ± 0.003 0.385 ± 0.007 0.383 ± 0.009 0.155 ± 0.008
L1 [%] 25.9 ± 1.4 20.6 ± 1.8 28.7 ± 0.3 30.6 ± 0.7 30.0 ± 1.0 25.2 ± 1.3 39.0 ± 2.0
L2 [%] 11.7 ± 3.2 1.9 ± 1.0 18.3 ± 1.0 18.6 ± 0.5 23.8 ± 0.9 18.0 ± 1.2 6.8 ± 0.8
L3 [%] 62.4 ± 1.9 77.5 ± 2.3 53.0 ± 1.7 50.9 ± 1.4 46.2 ± 2.3 56.8 ± 2.4 54.2 ± 3.6

Note. Individual uncertainties of parameters taken from PHOEBE only, which are usually underestimated.

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