Modelling the Polarisation of Microwave Foreground Emission on Large
  Angular Scales
  Templates for polarised emission from Galactic foregrounds at frequencies
relevant to Cosmic Microwave Background (CMB) polarisation experiments are
obtained by modelling the Galactic Magnetic Field (GMF) on large scales. This
work extends the results of O'Dea et al. by including polarised synchrotron
radiation as a source of foreground emission. The polarisation direction and
fraction in this calculation are based solely on the underlying choice of GMF
model and therefore provide an independent prediction for the polarisation
signal on large scales. Templates of polarised foregrounds may be of use when
forecasting effective experimental sensitivity. In turn, as measurements of the
CMB polarisation over large fractions of the sky become routine, this model
will allow for the data to constrain parameters in the, as yet, not well
understood form of the GMF.
