We assess the strengths and weaknesses of several likelihood formalisms, including the XFaster likelihood. We compare the performance of the XFaster likelihood to that of the Offset Lognormal Bandpower likelihood on simulated data for the Planck satellite. Parameters estimated with these two likelihoods are in good agreement. The advantages of the XFaster likelihood can therefore be realized without compromising performance.
Cite
@article{arxiv.1008.4948,
title = {Performance of XFaster likelihood in real CMB experiments},
author = {G. Rocha and C. R. Contaldi and L. P. L. Colombo and J. R. Bond and K. M. Gorski and C. R. Lawrence},
journal= {arXiv preprint arXiv:1008.4948},
year = {2010}
}