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Table 3.
Position and flux ratios of the detected companions.
| ρ | θ | fV | fR′ | fI′ | Sp. Type | |
|---|---|---|---|---|---|---|
| (mas) | (°) | (%) | (%) | (%) | ||
| η Aql | 639.4 ± 0.3 | 91.57 ± 0.09 | 0.42 ± 0.06 | 0.41 ± 0.01 | 0.32 ± 0.01 | A5V-F3V |
| V659 Cen | 597.3 ± 1.1 | 238.3 ± 0.4 | – | – | – | – |
| AX Cir | 309.9 ± 0.3 | 368.6 ± 0.1 | 7.2 ± 0.1 | 6.12 ± 0.02 | 4.58 ± 0.02 | B6V |
| TX Del | 573.8 ± 0.9 | 32.2 ± 0.4 | 0.007 ± 0.002 | 0.011 ± 0.002 | 0.015 ± 0.001 | M0V-M1V |
| S Nor | 907.3 ± 0.9 | 258.3 ± 0.4 | 0.275 ± 0.007 | 0.247 ± 0.004 | 0.236 ± 0.004 | A3V-A4V |
| AP Pup | 159.3 ± 0.2 | 165.0 ± 0.4 | 0.048 ± 0.003 | 0.053 ± 0.009 | 0.073 ± 0.012 | F9V-G2V |
| W Sgr | 192.1 ± 1.0 | 12.3 ± 0.5 | 0.284 ± 0.013 | 0.262 ± 0.007 | 0.241 ± 0.007 | F0V-F2V |
| T Vel | 716.5 ± 0.8 | 43.2 ± 0.4 | 0.022 ± 0.003 | 0.025 ± 0.005 | 0.027 ± 0.004 | K2-K3V |
Notes. ρ and θ are the relative separation of the companion w.r.t. the Cepheid and its position angle, while fX denotes the measured flux ratio at band X. Sp. Type is our derived spectral type based on the flux ratio (see Sect. 4.1).
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