# 7.5 Catalogue statistics and plots

## 7.5.1 Introduction

Author(s): Raúl Borrachero and Frédéric Arenou

The data fields of the main table of the Gaia Catalogue and a short description of these fields are indicated Table 7.4. A more extensive description of these fields is available where all other tables concerning variability and crossmatch are also described.

The TGAS subset has the same content plus two more fields, Hipparcos and Tycho-2_id which are respectively the Hipparcos identifier and the Tycho-2 identifier.

A summary of statistics and plots by Gaia analysis Tool (GAT) on these fields for the 1 142 679 769 sources is shown Table 7.5 and following pages.