All Tables

Table 1: Journal of observations.
Table 2: Calibrator star parameters, from the MIDI calibrator catalogue (Van Boekel et al. 2005).
Table 3: Stellar parameters used for the modelling of alpha Ara with SIMECA.
Table 4: Best model parameters for the alpha Ara circumstellar environment obtained by fitting the visibilities and the 2003 Pa $\beta$ line profile with SIMECA.
Table 5: Stellar parameters of three close B3V stars, alpha Ara, alpha Eri and eta UMa.