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Table 1
Log of interferometric observations with PIONIER at the VLTI together with the measured astrometric positions of b (faintest) with respect to a (brightest) and flux ratio in the H band.
| Obs. JD | Date | Telescopes | Spectral | East | North | Separation | PA | Flux |
| 2 400 000+ | configuration | setup | (mas) | (mas) | (mas) | (deg) | ratio | |
|
|
||||||||
| 55 982.845 | 2012-02-24 | D0-H0-G1-I1 | 3 channels | +2.20 ± 0.1 | +2.17 ± 0.1 | 3.09 ± 0.1 | +45.4 ± 1.8 | 2.8 ± 0.2 |
| 55 989.857 | 2012-03-02 | A1-G1-K0-I1 | 7 channels | −2.69 ± 0.1 | −1.96 ± 0.1 | 3.33 ± 0.1 | −126.0 ± 1.7 | 2.9 ± 0.1 |
| 55 990.906 | 2012-03-03 | A1-G1-K0-I1 | 3 channels | −2.13 ± 0.1 | −2.13 ± 0.1 | 3.01 ± 0.1 | −135.0 ± 1.9 | 2.9 ± 0.2 |
| 55 992.875 | 2012-03-05 | A1-G1-K0-I1 | 3 channels | −0.15 ± 0.1 | −1.44 ± 0.1 | 1.45 ± 0.1 | −174.0 ± 3.9 | 3.0 ± 0.2 |
Notes.The position angle (PA) is defined north (0 deg) to east (90 deg).
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