The zCOSMOS redshift survey: the three-dimensional classification cube and bimodality in galaxy physical properties

Understand

Aims.

• We investigate the relationships between three main optical galaxy observables (spectral properties, colours, and morphology), exploiting the data set provided by the COSMOS/zCOSMOS survey.
• The purpose of this paper is to define a simple galaxy classification cube, using a carefully selected sample of around 1000 galaxies.
• Methods.