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Table 2
AMBER observation log.
# | Night | Configuration | B proj | PA | Seeing | DIT | Calibrator | Calibrator diameter | |
[m] | [°] | [′′] | [ms] | [mas] | |||||
|
|||||||||
I | 2008-02-22 | A0-D0-H0 | 60/91/30 | 89/89/89 | 0.65 | 21 | HD 50281 | 1.0 ± 0.1 a | |
II | 2008-02-22 | A0-D0-H0 | 60/91/30 | 92/92/92 | 0.72 | 100 | HD 85313 | 0.451 ± 0.045 b | |
III | 2008-02-22 | A0-D0-H0 | 55/82/27 | 112/112/112 | 0.69 | 100 | HD 85313 | 0.451 ± 0.045 b | |
IV | 2008-02-22 | A0-D0-H0 | 51/77/26 | 126/126/126 | 0.57 | 100 | HD 85313 | 0.451 ± 0.045 b | |
V | 2008-12-14 | U1-U3-U4 | 88/61/124 | 219/289/247 | – | 26 | HD 50277 | 0.356 ± 0.036 b | |
VI | 2009-12-31 | U2-U3-U4 | 41/62/89 | 229/291/267 | 1.1 | 21 | HD 85313 | 0.451 ± 0.045 b |
Notes. The resulting uv coverage is shown in Fig. 1. Bproj describes the projected baseline length, PA the position angles of the baselines, and DIT the detector integration time. We assumed the calibrator diameter error to be 10%.
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