1. Introduction

2. The sample
2.1. NGC 1399
2.2. NGC 3923
2.3. NGC 4365
2.4. NGC 4472
2.5. NGC 5044
2.6. NGC 5846

3. The Vegas Survey: observation and data reduction

4. Data analysis
4.1. Correction for the PSF

5. Fitting ellipticity and light distribution
5.1. Deprojected flattening
5.2. Fitting the light distribution with two-components models
5.3. Fitting the light distribution with three-components models

6. Comparison with theoretical predictions for accreted mass fractions

7. Discussion and conclusions