Rod D. Davies

Follow-up observations at 16 and 33 GHz of extragalactic sources from WMAP 3-year data: II - Flux-density variability (2009)

Franzen, Thomas M. O., Davies, Matthew L., Davies, Rod D., Davis, Richard J., Feroz, Farhan, Genova-Santos, Ricardo, ...

Using the Arcminute Microkelvin Imager (AMI) at 16 GHz and the Very Small Array (VSA) at 33 GHz to make follow-up observations of sources in the New Extragalactic WMAP Point Source Catalogue, we have...

Follow-up observations at 16 and 33 GHz of extragalactic sources from WMAP 3-year data: I - Spectral properties (2009)

Davies, Matthew L., Franzen, Thomas M. O., Davies, Rod D., Davis, Richard J., Feroz, Farhan, Genova-Santos, Ricardo, ...

We present follow-up observations of 97 point sources from the Wilkinson Microwave Anisotropy Probe (WMAP) 3-year data, contained within the New Extragalactic WMAP Point Source (NEWPS) catalogue...

Radio source calibration for the Very Small Array and other cosmic microwave background instruments at around 30 GHz (2008)

Hafez, Yaser A., Davies, Rod D., Davis, Richard J., Dickinson, Clive, Battistelli, Elia S., Blanco, Francisco, ...

Accurate calibration of data is essential for the current generation of cosmic microwave background (CMB) experiments. Using data from the Very Small Array (VSA), we describe procedures which will...

Radio source calibration for the VSA and other CMB instruments at around 30 GHz (2008)

Hafez, Yaser A., Davies, Rod D., Davis, Richard J., Dickinson, Clive, Battistelli, Elia S., Blanco, Francisco, ...

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 accuracy of 1 percent...

Observations of the Corona Borealis supercluster with the superextended Very Small Array: further constraints on the nature of the non-Gaussian CMB cold spot (2008)

Genova-Santos, Ricardo, Rubino-Martin, Jose Alberto, Rebolo, Rafael, Battye, Richard A., Blanco, Francisco, Davies, Rod D., ...

We present interferometric imaging at 33 GHz, with the new superextended configuration of the Very Small Array (VSA), of a very deep decrement in the cosmic microwave background (CMB) temperature....

Galaxy redshift surveys selected by neutral hydrogen using FAST (2007)

Duffy, Alan R., Battye, Richard A., Davies, Rod D., Moss, Adam, Wilkinson, Peter N.

We discuss the possibility of performing a substantial spectroscopic galaxy redshift survey selected via the 21cm emission from neutral hydrogen using the Five-hundred metre Aperture Spherical...

Constraints on spinning dust towards Galactic targets with the VSA: a tentative detection of excess microwave emission towards 3C396 (2007)

Scaife, Anna, Green, David A., Battye, Richard A., Davies, Rod D., Davis, Richard J., Dickinson, Clive, ...

We present results from observations made at 33 GHz with the Very Small Array (VSA) telescope towards potential candidates in the Galactic plane for spinning dust emission. In the cases of the...

Non-Gaussianity in the Very Small Array CMB maps with Smooth-Goodness-of-fit tests (2006)

Rubino-Martin, Jose Alberto, Aliaga, Antonio M., Barreiro, R. B., Battye, Richard A., Carreira, Pedro, Cleary, Kieran, ...

(Abridged) We have used the Rayner & Best (1989) smooth tests of goodness-of-fit to study the Gaussianity of the Very Small Array (VSA) data. Out of the 41 published VSA individual pointings...

A VSA search for the extended Sunyaev-Zel'dovich Effect in the Corona Borealis Supercluster (2005)

Genova-Santos, Ricardo, Rubino-Martin, Jose Alberto, Rebolo, Rafael, Cleary, Kieran, Davies, Rod D., Davis, Richard J., ...

We present interferometric imaging at 33 GHz of the Corona Borealis supercluster, using the extended configuration of the Very Small Array. A total area of 24 deg^2 has been imaged, with an angular...

Source subtraction for the extended Very Small Array and 33-GHz source count estimates (2004)

Cleary, Kieran A., Taylor, Angela C., Waldram, Elizabeth, Battye, Richard A., Dickinson, Clive, Davies, Rod D., ...

We describe the source subtraction strategy and observations for the extended Very Small Array, a CMB interferometer operating at 33 GHz. A total of 453 sources were monitored at 33 GHz using a...

High sensitivity measurements of the CMB power spectrum with the extended Very Small Array (2004)

Dickinson, Clive, Battye, Richard A., Cleary, Kieran, Davies, Rod D., Davis, Richard J., Genova-Santos, Ricardo, ...

We present deep Ka-band ($\nu \approx 33$ GHz) observations of the CMB made with the extended Very Small Array (VSA). This configuration produces a naturally weighted synthesized FWHM beamwidth of...

Cosmological parameter estimation using Very Small Array data out to l=1500 (2004)

Rebolo, Rafael, Battye, Richard A., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., ...

We estimate cosmological parameters using data obtained by the Very Small Array (VSA) in its extended configuration, in conjunction with a variety of other CMB data and external priors. Within the...

Estimating the bispectrum of the Very Small Array data (2004)

Smith, Sarah, Rocha, Graca, Challinor, Anthony, Battye, Richard A., Carreira, Pedro, Cleary, Kieran, ...

We estimate the bispectrum of the Very Small Array data from the compact and extended configuration observations released in December 2002, and compare our results to those obtained from Gaussian...

Neutral hydrogen surveys for high redshift galaxy clusters and proto-clusters (2004)

Battye, Richard A., Davies, Rod D., Weller, Jochen

We discuss the possibility of performing blind surveys to detect large-scale features of the universe using 21cm emission. Using instruments with approx. 5'-10' resolution currently in the planning...

Cosmological parameter estimation using Very Small Array data out to l? = 1500 (2004)

Rebolo, Rafael, Battye, Richard A., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., ...

Searching for non-Gaussianity in the VSA data (2003)

Savage, Richard, Battye, Richard A., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., ...

We have tested Very Small Array (VSA) observations of three regions of sky for the presence of non-Gaussianity, using high-order cumulants, Minkowski functionals, a wavelet-based test and a Bayesian...

The CMB power spectrum out to l=1400 measured by the VSA (2002)

Grainge, Keith, Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., Dickinson, Clive, ...

We have observed the cosmic microwave background (CMB) in three regions of sky using the Very Small Array (VSA) in an extended configuration with antennas of beamwidth 2 degrees at 34 GHz. Combined...

Cosmological parameter estimation and Bayesian model comparison using VSA data (2002)

Slosar, Anze, Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., Dickinson, Clive, ...

We constrain the basic comological parameters using the first observations by the Very Small Array (VSA) in its extended configuration, together with existing cosmic microwave background data and...

First results from the Very Small Array -- IV. Cosmological parameter estimation (2002)

Rubino-Martin, Jose Alberto, Rebolo, Rafael, Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., ...

We investigate the constraints on basic cosmological parameters set by the first compact-configuration observations of the Very Small Array (VSA), and other cosmological data sets, in the standard...

First results from the Very Small Array -- I. Observational methods (2002)

Watson, Robert A., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., Dickinson, Clive, ...

The Very Small Array (VSA) is a synthesis telescope designed to image faint structures in the cosmic microwave background on degree and sub-degree angular scales. The VSA has key differences from...

First results from the Very Small Array -- III. The CMB power spectrum (2002)

Scott, Paul F., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard, Dickinson, Clive, ...

We present the power spectrum of the fluctuations in the cosmic microwave background detected by the Very Small Array (VSA) in its first season of observations in its compact configuration. We find...

First results from the Very Small Array -- II. Observations of the CMB (2002)

Taylor, Angela C., Carreira, Pedro, Cleary, Kieran, Davies, Rod D., Davis, Richard J., Dickinson, Clive, ...

We have observed the cosmic microwave background temperature fluctuations in eight fields covering three separated areas of sky with the Very Small Array at 34 GHz. A total area of 101 square degrees...

The Tenerife Cosmic Microwave Background Maps: Observations and First Analysis (1999)

Gutierrez, Carlos M., Rebolo, Rafael, Watson, Robert A., Davies, Rod D., Jones, Aled W., Lasenby, Anthony N.

The results of the Tenerife Cosmic Microwave Background (CMB) experiments are presented. These observations cover 5000 and 6500 square degrees on the sky at 10 and 15 GHz respectively centred around...