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Bayesian optimal reconstruction of the primordial power spectrum
M. Bridges, F. Feroz, M. P. Hobson +1
The form of the primordial power spectrum has the potential to differentiate strongly between competing models of perturbation generation in the early universe and so is of conside…
The Quijote CMB Experiment
J. A. Rubino-Martin, R. Rebolo, M. Tucci +37
We present the current status of the QUIJOTE (Q-U-I JOint TEnerife) CMB Experiment, a new instrument which will start operations early 2009 at Teide Observatory, with the aim of ch…
Cluster detection in weak lensing surveys
F. Feroz, P. J. Marshall, M. P. Hobson
We present an efficient and robust approach for extracting clusters of galaxies from weak lensing survey data and measuring their properties. We use simple, physically-motivated cl…
The Arcminute Microkelvin Imager
AMI Consortium, :, J. T. L. Zwart +57
The Arcminute Microkelvin Imager is a pair of interferometer arrays operating with six frequency channels spanning 13.9-18.2 GHz, with very high sensitivity to angular scales 30''-…
Radio source calibration for the VSA and other CMB instruments at around 30 GHz
Yaser A. Hafez, Rod D. Davies, Richard J. Davis +20
Accurate calibration of data is essential for the current generation of CMB experiments. Using data from the Very Small Array (VSA), we describe procedures which will lead to an ac…
The CMB cold spot: texture, cluster or void?
M. Cruz, E. Martinez-Gonzalez, P. Vielva +3
The non-Gaussian cold spot found in the WMAP data has created controversy about its origin. Here we calculate the Bayesian posterior probability ratios for three different models t…