1. Introduction

2. Our Be star sample

3. Observations and data reduction process

4. A qualitative analysis of our dataset

5. Modeling
5.1. The disk extension in the continuum
5.2. The binarity of δ Cen
5.3. The equatorial disk kinematics

6. Discussions
6.1. The rotational rate of Be stars
6.2. The equatorial disk extension
6.3. The equatorial disk kinematics
6.4. Departures from our simple model

7. Conclusion