1 Introduction

2 Observations and data reduction

3 Results
3.1 Dynamical families: L5 swarm
3.2 Dynamical families: L4 swarm

4 Discussion
4.1 Size vs spectral slope distribution: Individual families
4.2 Size vs slope distribution: The Trojan population as a whole
4.3 Spectral slopes and L4/L5 Clouds
4.4 Orbital Elements

5 Comparison with other outer Solar System minor bodies
5.1 Introduction and methods
5.2 Results

6 Conclusions