1 INTRODUCTION

2 THE COSMOS SURVEY

3 THE C-COSMOS BRIGHT SAMPLE
3.1 Counts extraction
3.2 X-ray colors
3.3 Optical-IR identification

4 SPECTRAL ANALYSIS
4.1 Spectral fit
4.2 Modeling results
4.3 Peculiar sources

5 FIT PARAMETER DISTRIBUTIONS
5.1 NH, intrinsic absorption column density
5.2 Γ, photon index
5.3 Flux and Luminosity
5.4 Photon Index dependencies
5.5 Column density dependencies
5.6 X/O ratio

6 SUMMARY