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Table A.2.

Candidate Near companions of Cepheids, up to a maximum projected separation of 50 kau. The negative parallax of Y Sgr (ϖG2 = −0.441 ± 0.280 mas) has been omitted.

Cepheid / GDR2 ϖexp ϖG2 μα, G2,  μδ, G2 Sep. Sep. GBP G GRP J H K W1 W2 W3 W4 EBV MG log T
(mas) (mas) (mas a−1) (″) (kau)
FF Aql 2.048 1.8390.107 −1.010.16, −9.800.17 5.73 5.18 4.58 4.03 3.74 3.53 3.51 2.94 3.42 3.38 0.224 −4.07 3.765
4514145597469864192 2.0820.449 −3.761.35, −4.461.62 95.96 46.9 20.45 20.33 19.18 +11.37 3.745

V0916 Aql 0.325 0.5060.050 −1.650.08, −5.060.07 11.17 10.06 8.98 7.56 6.95 6.72 5.80 6.17 6.23 6.23 0.761 −3.11 3.694
4313179507877107072 0.3470.048 −2.270.13, −5.890.12 3.45 10.6 14.43 13.50 12.30 −0.51 3.711

eta Aql 3.755 2.6410.485 +7.670.84, −8.840.78 7.01 2.35 1.89 1.79 0.04 -0.30 1.89 1.82 0.035
4240272815933813888 3.3610.785 +3.863.00, +0.732.47 135.78 36.2 19.92 20.49 19.40 +13.02 3.817

CK Cam 1.959 1.3010.035 +4.270.05, −3.030.05 7.76 7.18 6.45 5.44 5.12 4.96 5.01 4.81 4.95 4.89 0.501 −3.53 3.798
279381953248087808 1.6700.144 +9.370.27, −8.690.25 76.53 39.1 19.89 18.46 17.22 15.45 14.71 14.51 14.20 14.31 12.76 9.05 +8.58 3.006

Y Car 0.695 0.3300.036 −9.100.07, +2.430.07 8.38 8.04 7.52 6.80 6.57 6.48 6.41 6.37 6.39 6.19 0.178 −4.84 3.796
5351428787238024576 0.7180.144 −5.880.34, +2.750.31 22.47 32.3 19.08 18.47 17.49 +7.34 3.632

UX Car 0.710 0.5900.038 −7.080.06, +2.400.06 8.65 8.27 7.71 7.10 6.87 6.71 6.48 6.44 6.49 6.11 0.123 −3.20 3.772
5351721944542867072 0.7750.086 −8.450.17, +3.130.16 26.63 37.5 18.20 17.54 16.71 15.04 14.24 14.79 +6.70 3.642

UZ Car 0.437 0.4030.028 −6.230.05, +2.920.06 10.87 9.11 8.45 7.57 7.22 7.08 6.95 7.08 7.01 6.76 0.187 −3.24 2.788
5254298479854443392 0.4840.112 −4.370.26, +1.910.30 20.85 47.7 18.55 18.29 17.48 +6.24 3.767

XY Car 0.366 0.3590.027 −5.180.05, +3.280.05 9.65 8.97 8.17 6.96 6.44 6.17 6.05 6.01 6.01 5.92 0.417 −4.28 3.755
5240441472232303744 0.3710.045 −6.390.07, +3.490.06 17.84 48.7 16.45 16.02 15.41 14.46 14.40 14.23 +2.75 3.829

ER Car 0.959 0.8250.035 −9.720.06, +2.480.05 7.07 6.60 5.99 5.26 4.97 4.81 4.80 4.57 4.83 4.78 0.101 −4.08 3.749
5339393979667360512 0.8420.114 −6.150.22, +2.080.19 12.94 13.5 17.82 17.68 16.64 +7.05 3.730

EY Car 0.446 0.3600.025 −6.260.05, +3.270.05 10.67 10.10 9.38 8.28 7.94 7.80 7.70 7.71 7.66 7.57 0.352 −3.01 3.770
5254070090673424768 0.3950.046 −5.620.08, +3.300.07 18.39 41.2 16.58 16.14 15.48 14.80 14.32 14.34 +3.20 3.796

DD Cas 0.322 0.2500.029 −1.770.06, −1.200.05 10.07 9.43 8.63 7.46 7.02 6.89 6.84 6.79 6.81 6.75 0.501 −4.83 3.778
2013029941628289920 0.3350.061 −2.720.14, −1.660.09 15.82 49.1 17.50 16.99 16.31 15.33 15.04 14.95 +3.30 3.822

VW Cen 0.256 0.2490.031 −6.030.05, −1.170.05 10.78 9.87 8.98 7.70 7.08 6.82 6.62 6.86 6.79 6.08 0.448 −4.18 3.691
5864955727374022656 0.2430.057 −6.840.08, −1.220.09 10.41 40.7 17.21 16.79 16.07 +2.54 3.816

XX Cen 0.589 0.5660.042 −4.110.07, −1.060.08 8.13 7.50 6.85 5.85 5.53 5.39 5.37 5.23 5.34 5.27 0.260 −4.38 3.752
5871922301788975232 0.6460.131 −2.210.30, −1.330.37 27.82 47.2 18.70 18.35 17.45 16.51 15.82 15.65 +6.76 3.757

AY Cen 0.639 0.5790.032 −6.750.06, +2.120.05 9.14 8.55 7.83 6.78 6.45 6.28 6.22 6.15 6.23 6.24 0.310 −3.41 3.759
5334506135103632768 0.5510.107 −5.660.26, +1.380.18 27.34 42.8 18.55 18.05 17.20 +5.99 3.753

AV Cir 1.802 1.0450.036 −3.420.04, −2.220.06 7.67 7.14 6.46 5.58 5.23 5.11 5.03 4.81 5.02 4.95 0.397 −3.79 3.791
5848499882282952960 1.8060.041 −10.140.04, −6.500.05 89.64 49.7 14.89 14.43 13.80 13.02 12.61 12.51 +4.67 3.811

AX Cir 1.917 1.7740.345 −4.890.44, −5.080.52 6.26 5.73 5.11 4.25 3.85 3.76 3.75 3.38 3.70 3.60 0.153 −3.41 3.749
5874030958906259072 1.8570.406 −7.450.49, −4.660.82 44.15 23.0 18.95 18.44 17.22 +9.43 3.532

BP Cir 1.700 1.0240.040 −5.460.05, −3.890.07 7.74 7.31 6.70 5.84 5.58 5.44 5.39 5.21 5.39 5.30 0.235 −3.25 3.782
5877460610633466496 1.5520.260 −3.610.45, −3.540.56 82.78 48.7 19.93 19.39 17.95 +9.83 3.400
5877460782359164928 1.8370.364 −5.350.63, −1.700.81 56.99 33.5 20.20 19.70 18.36 +10.50 3.521
5877472430316940672 1.5060.172 −3.020.29, −2.590.35 49.45 29.1 19.34 18.62 17.54 15.54 13.87 13.76 12.24 12.44 11.93 8.56 +8.98 3.555

T Cru 1.306 1.1690.028 −10.960.05, −0.540.05 6.97 6.41 5.76 4.93 4.62 4.44 4.26 4.09 4.35 4.24 0.193 −3.74 3.749
6054829771915831808 1.2540.050 −14.260.09, −1.330.07 46.43 35.6 17.10 16.46 15.67 14.70 14.09 14.16 +6.50 3.698

X Cru 0.678 0.5520.046 −5.890.06, −0.170.06 8.69 8.14 7.41 6.58 6.14 5.95 5.88 5.82 5.86 5.76 0.286 −3.86 3.758
6059763997807862656 0.6770.128 −6.060.21, +0.420.23 21.68 32.0 18.75 18.22 17.46 +6.66 3.757

SU Cyg 1.234 1.1980.052 −1.790.10, −3.280.08 7.22 6.85 6.28 5.79 5.49 5.42 5.26 5.10 5.22 5.16 0.096 −3.01 3.767
2031776236946397696 1.2120.239 −0.930.58, −3.760.59 42.43 34.4 19.64 19.23 18.16 +9.42 3.630

SZ Cyg 0.419 0.3910.026 −2.200.05, −5.560.06 9.89 9.03 8.03 6.39 5.89 5.71 5.49 5.45 5.50 5.60 0.631 −4.48 3.737
2071433765909165952 0.3980.065 −1.980.14, −4.540.17 19.60 46.8 18.50 17.16 15.96 13.74 12.86 12.59 +3.86 3.342

V1334 Cyg 1.502 1.1800.066 +3.770.10, +0.180.12 6.02 5.75 5.32 5.17 4.66 4.46 4.38 4.06 4.45 4.38 0.074 −4.09 3.796
1964855939153629312 1.4090.318 −0.370.66, −3.270.68 65.67 43.7 20.51 19.66 18.53 16.36 15.41 15.28 +10.25 3.184

RR Lac 0.515 0.3520.033 −3.650.06, −3.210.06 9.26 8.73 7.98 7.14 6.71 6.58 6.36 6.31 6.37 6.33 0.353 −4.43 3.772
2006989121667183872 0.4900.041 −4.780.05, −4.530.05 18.46 35.8 15.39 15.03 14.47 13.73 13.44 13.45 +2.53 3.837

CV Mon 0.601 0.5110.041 +0.430.07, −0.690.07 10.49 9.62 8.71 7.37 6.77 6.52 6.46 6.31 6.45 6.37 0.722 −3.57 3.772
3127142220517515392 0.5940.062 +0.120.12, −0.770.12 17.70 29.4 17.19 16.48 15.65 +3.52 3.814
3127142327895572352 0.5370.040 +0.460.05, −0.620.05 14.20 23.6 13.91 13.49 12.88 12.10 11.86 11.71 11.05 11.03 10.33 8.70 +0.12 4.095

S Nor 1.126 1.0910.042 −1.510.07, −2.320.06 6.82 6.18 5.55 4.87 4.50 4.22 4.08 3.82 4.01 3.95 0.189 −4.10 3.737
5835124121463456896 0.9770.052 −1.450.09, −2.500.08 46.32 41.1 16.69 16.04 15.24 14.19 13.59 13.36 12.54 12.59 12.87 9.21 +5.54 3.691
5835124121533801088 1.1710.097 −2.020.32, −1.850.16 43.66 38.8 17.09 13.03 12.42 12.26 11.53 11.58 12.25 9.11

U Nor 0.699 0.6410.050 −2.010.10, −2.790.09 9.49 8.43 7.43 5.77 5.18 4.91 4.64 4.44 4.80 4.67 0.892 −4.62 3.762
5884368494207976960 0.7510.170 −4.360.54, −2.470.41 16.47 23.6 20.10 18.60 17.17 13.53 13.93 13.41 +6.21 3.266

RS Nor 0.487 0.4500.046 −2.210.07, −3.450.06 10.45 9.59 8.72 7.23 6.80 6.60 6.41 6.47 6.45 6.41 0.580 −3.52 3.750
5932812431123859712 0.4800.059 −1.030.09, −1.920.07 7.55 15.5 16.31 15.63 14.67 11.52 12.82 11.09 +2.63 3.765

QZ Nor 0.556 0.5030.038 −1.840.07, −3.790.06 9.14 8.64 7.96 7.00 6.70 6.54 6.48 6.47 6.49 6.41 0.253 −3.49 3.766
5932565968801321344 0.5090.070 −1.230.14, −2.490.11 27.43 49.3 17.78 17.23 16.47 15.80 16.08 15.94 +5.13 3.745
5932565900081828480 0.5540.045 −2.350.06, −4.720.06 16.54 29.7 13.73 13.36 12.80 12.07 11.81 11.79 +1.40 3.801

Y Oph 1.850 1.3900.083 −3.210.14, −4.730.11 7.08 5.60 4.73 3.67 3.08 2.82 1.36 1.17 2.58 2.47 0.655 −5.09 3.536
4175017591096420352 1.9140.424 +0.301.09, −1.001.17 81.31 44.0 20.76 19.80 18.61 +9.75 3.657

AQ Pup 0.312 0.3190.034 −2.570.06, +2.570.06 9.31 8.37 7.44 5.88 5.33 5.09 4.62 4.65 4.99 4.88 0.512 −5.29 3.694
5597379745861712512 0.3390.060 −2.770.09, +2.270.10 9.88 31.7 16.84 16.45 15.79 +2.72 3.874

U Sgr 1.669 1.4890.045 −1.680.08, −6.130.07 7.28 6.53 5.75 4.48 3.91 3.93 3.95 3.65 3.95 3.86 0.403 −3.58 3.742
4092904791496145664 1.5620.101 −0.880.24, −5.990.22 66.82 40.0 18.53 17.64 16.55 +7.71 3.576
4092904993291428864 1.5120.286 −4.860.68, −6.520.62 35.35 21.2 19.05 18.70 17.13 15.58 13.47 13.36 +8.70 3.609

Y Sgr 2.146 - −3.190.37, −8.130.28 7.60 8.23 6.01 3.92 3.56 3.50 3.61 3.34 3.62 3.61 0.205 - 3.647
4096107737550993664 1.8910.370 +0.301.68, −4.491.65 71.37 33.3 20.09 19.62 18.11 +10.56 3.369
4096107874989915648 1.9910.367 −1.901.28, −2.401.24 95.02 44.3 19.58

XX Sgr 0.733 0.7310.059 −0.050.10, −0.480.09 9.23 8.54 7.68 6.46 5.94 5.72 5.57 5.39 5.63 5.71 0.543 −3.47 3.770
4096979650283681408 0.6970.070 +0.680.50, −1.850.35 7.87 10.7 15.24

AP Sgr 1.287 1.1480.053 +0.880.16, −3.850.13 7.46 6.90 6.24 5.27 4.98 4.78 4.77 4.71 4.86 4.84 0.192 −3.27 3.747
4066429101224454144 1.1740.187 −1.860.69, −3.420.65 63.02 49.0 19.43 18.73 17.26 +8.68 3.141
4066428998145128064 1.2490.284 −0.830.82, −6.670.76 36.28 28.2 19.37

V0950 Sco 1.073 0.8690.052 −0.480.10, −1.660.09 7.49 7.06 6.44 5.72 5.44 5.24 5.18 5.03 5.17 5.09 0.254 −3.91 3.784
5960623340819585792 1.1490.371 +3.131.00, −1.530.94 16.93 15.8 17.93 17.79 16.73 12.81 13.35 13.18 +7.45 3.764
5960623340819009024 1.1480.141 −1.650.38, −6.850.32 29.33 27.3 18.83 18.40 17.24 +8.11 3.673

Y Sct 0.581 0.4580.067 −0.680.10, −3.080.08 9.83 8.86 7.85 6.48 5.85 5.59 5.49 5.39 5.61 5.35 0.619 −4.25 3.702
4156450099579515904 0.6630.123 −1.970.29, −3.610.26 28.38 48.8 18.40 17.23 16.08 14.49 14.06 13.67 +5.02 3.530

R TrA 1.733 1.5040.037 −5.230.04, −8.310.07 6.90 6.44 5.88 5.34 5.01 4.85 4.76 4.55 4.73 4.70 0.172 −3.11 3.772
5824464631144871424 1.5670.364 −5.100.52, −6.330.77 56.57 32.6 19.82 19.31 18.45 +9.87 3.708

LR TrA 1.048 0.9180.032 −4.860.04, −7.870.05 8.01 7.60 7.02 6.31 6.02 5.88 5.85 5.77 5.84 5.79 0.154 −2.98 3.772
5824226655600814976 1.0050.187 −5.770.24, −8.840.39 37.56 35.8 19.94 19.00 17.96 16.64 15.43 15.01 +8.68 3.303

Notes. Part of the listed targets also host a candidate Bound companion, listed in Table A.1, where the references for the photometry are also listed. The adopted color excesses E(B − V) are taken essentially from Fernie (1990, 1994).

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