Keywords: stars: peculiar–stars: barium

1. INTRODUCTION

2. THE BA-ENHANCED STAR SAMPLE

3. RESULTS

3.1. CHEMISTRY

3.2. KINEMATICS

3.3. UV PHOTOMETRIC PROPERTIES

3.4. INCIDENCE ACROSS THE HR DIAGRAM

4. DISCUSSION

4.2. ORIGIN OF THE “HIGH-[α/Fe] DESERT”

4.3. BA-ENHANCED STARS DUE TO INTERNAL ELEMENT TRANSPORTS

5. CONCLUSION