Skies; a population of low-redshift starforming galaxies predicted by the simulation is not found in the observed sample.'
author:
- |
    I. H. Whittam$^{1,2}$[^1], J. M. Riley$^2$, D. A. Green$^2$, M. J. Jarvis$^{1,3}$ and M. Vaccari$^{1,4}$\
    $^{1}$Physics Department, University of the Western Cape, Bellville 7535, South Africa\
    $^{2}$Astrophysics Group, Cavendish Laboratory, 19 J. J. Thomson Avenue, Cambridge CB3 0HE\
    $^{3}$Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH\
    $^{4}$INAF - Istituto di Radioastronomia, via Gobetti 101, 40129 Bologna, Italy
date: 'Accepted —; received —; in original form —'
title: 'The faint radio source population at 15.7 GHz – II. Multi-wavelength properties'
---

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galaxies: active – radio continuum: galaxies – catalogues – surveys

Introduction {#section:intro}
============

Most studies of the faint ($\lesssim 1$ mJy) radio sky have focused on frequencies around 1.4 GHz, due to the increased telescope time required to survey a field to an equivalent depth at a higher frequency. This means that while the composition of the lower-frequency radio sky is well constrained (e.g. ), the faint radio sky at higher frequencies is relatively unstudied. The Tenth Cambridge (10C; @2011MNRAS.415.2708D [@2011MNRAS.415.2699F]) survey at 15.7 GHz has covered $\approx 27$ deg$^2$ in ten different fields 