VEGA: Visible spEctroGraph and polArimeter for the CHARA array: principle and performance

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Table 2:

Observation log for the night of July 28th 2008.
UT	HD	r₀	Star	$\theta_{\rm UD}$	$V^2_{\rm instr}(R)$	$V^2_{\rm instr}(B)$
6:47	166014	12	Cal	0.53	0.43 $\pm$ 0.01	0.42 $\pm$ 0.01
7:18	172167	11	Vega
7:33	197345	12	Deneb
7:49	172167	10	Vega
8:07	176437	11	Cal	0.71	0.53 $\pm$ 0.02	0.39 $\pm$ 0.01
8:18	166014	11	Cal	0.53	0.57 $\pm$ 0.03	0.39 $\pm$ 0.01
8:32	176437	10	Cal	0.71	0.53 $\pm$ 0.01	0.41 $\pm$ 0.01

Column 1 gives the UT time of the start of the observation, Col. 2 the HD number, Col. 3 the r₀ estimation (in cm) given by the CHARA tip/tilt sensor. If the star is considered as a calibrator (Col. 4), Col. 5 gives the adopted uniform-disk diameter at 600 nm in millisecond of arc.

Source LaTeX | All tables | In the text

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