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Table 1

Log of our VLTI/AMBER observations.

Target Date Time Mode Baseline PA
2011-03 UT m deg

VY CMa –06 1:42 Low-JHK 15.8/31.6/47.5  −75
VY CMa –06 3:05 MR-K 2.3 14.4/28.7/43.0  −83
VY CMa –06 4:14 Low-JHK 11.8/23.6/35.4  −90
VY CMa –07 0:55 Low-JHK 16.0/32.0/48.0  −70
VY CMa –07 1:35 Low-JHK 15.9/31.7/47.6  −75
VY CMa –07 3:02 Low-JHK 14.3/28.6/42.9  −83
VY CMa –07 4:29 MR-K 2.1 11.2/22.3/33.5  −89

Notes. The AMBER instrument modes are Low-JHK (range 1.2–2.5 μm, spectral resolution R ~ 30), MR-K 2.1 (1.92–2.26 μm, R ~ 1500), and MR-K 2.3 (2.12–2.47 μm, R ~ 1500). The baseline denotes the projected baseline lengths, and the position angle (PA) the projected position angle on sky (east of north).

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