How feedback shapes galaxies: an analytic model

Understand

We introduce a simple analytic model of galaxy formation that links the growth of dark matter haloes in a cosmological background to the build-up of stellar mass within them.

• The model aims to identify the physical processes that drive the galaxy-halo co-evolution through cosmic time.
• The model restricts the role of baryonic astrophysics to setting the relation between galaxies and their haloes.
• Using this approach, galaxy properties can be directly predicted from the growth of their host dark matter haloes.