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Table 2

Log of observations.

Date UT-start/end DIT NDIT N exp. Par. range Air Mass range EC mean t0 mean
(s) ° % (ms)

Apr. 07, 2010 03:08/03:13 0.2 (ND Long) 150 8 –48.3 to-47.2 1.07 44.9 3.0
Apr. 07, 2010 03:14/04:56 0.2 150 160 –45.3 to 31.9 1.07 to 1.05 41.4 2.6
Apr. 07, 2010 04:57/05:06 0.2 (ND Long) 150 8 32.6 to 38.3 1.05 44.0 2.8

Apr. 06, 2010 03:07/03:12 0.2 (ND Long) 150 8 –50.5 to –48.4 1.07 25.1 6.4
Apr. 06, 2010 03:13/05:05 0.2 150 175 –47.9 to 35.1 1.07 to 1.05 37.9 4.9
Apr. 06, 2010 05:06/05:11 0.2 (ND Long) 150 8 35.8 to 38.8 1.05 45.9 4.6

Jun. 07/08, 2011 00:28/02:00 0.1 500 32 13/64 1.03/1.15 3.2
Jun. 07/08, 2011 00:44/02:12 0.1 (Calibrator) 500 32 19/67 1.04/1.17 3.2

Notes. “Par. range” stands for the parallactic angles at the start and end of observations; “EC mean” for the average of the coherent energy and “t0 mean” for the average of the coherence time during the observations.

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