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Table 1

Log of the observations.

Date UT HA Baselines λ 0 V 2 σ stat σ syst r 0
(h) (h) Telescopes Bp (m) PA (°) (nm) (cm)
24-07-2011 6.5 –0.2 E1E2 65 –120 715 0.98 0.07 0.004 ~7
E2W2 155 –114 715
E1W2 219 –116 715 0.58 0.06 0.03
24-07-2011 6.5 –0.2 E1E2 65 –120 695 0.97 0.09 0.004 ~7
E2W2 155 –114 695
E1W2 219 –116 695 0.66 0.08 0.03
01-09-2011 4.4 0.2 E1E2 63 –122 735 0.86 0.05 0.003 6–7
E2W2 152 –116 735
E1W2 215 –118 735
E1E2 63 –122 715 0.96 0.06 0.004 6–7
E2W2 152 –116 715
E1W2 215 –118 715
21-05-2012 10.1 –0.8 W1W2 101 100 730 7–10
E1W2 222 –113 730 0.65 0.04 0.03
E1W1 311 –103 730 0.46 0.02 0.04
W1W2 101 100 710
E1W2 222 –113 710
E1W1 311 –103 710 0.43 0.03 0.04
16-07-2012 5.1 –2.16 W1W2 83 107 730 0.95 0.07 0.007 ~10
E1W2 211 71 730 0.80 0.06 0.03
E1W1 282 81 730 0.56 0.07 0.05
16-07-2012 5.9 –1.35 W1W2 95 102 730 0.87 0.05 0.008 ~8
E1W2 220 68 730 0.70 0.06 0.03
E1W1 304 79 730 0.55 0.08 0.05

Notes. Columns 1–3 give the date, the UT time, and the hour angle (HA) of the observations. Columns 4–6 give the telescope pair, the projected baseline length Bp and its orientation PA. Column 7 gives the central wavelength of the spectral range used for computing the squared visibility. Columns 8–10 give the calibrated squared visibility V2, the statistic error on V2, and the systematic error on V2 (see text for details). The last column provides the Fried parameter for each observation.

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