VSA Observations of the Anomalous Microwave Emission in the Perseus Region (2009)
Tibbs, Christopher T., Watson, Robert A., Dickinson, Clive, Davies, Rodney D., Davis, Richard J., Del Burgo, Carlos, ...
The dust feature G159.6--18.5 in the Perseus region has previously been observed with the COSMOSOMAS experiment \citep{Watson:05} on angular scales of $\approx$ 1$^{\circ}$, and was found to exhibit...
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...
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...
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...
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....
Chemical Abundances of the Secondary Star in the Black Hole X-ray Binary XTE J1118+480 (2008)
Hernández, Jonay I. González, Rebolo, Rafael, Israelian, Garik, Filippenko, Alexei V., Chornock, Ryan, Tominaga, Nozomu, ...
Following the recent abundance measurements of Mg, Al, Ca, Fe, and Ni in the black hole X-ray binary XTE J1118+480 using medium-resolution Keck II/ESI spectra of the secondary star (Gonz\'alez...
A low mass cluster of extremely red galaxies at z=1.10 in the GOODS Southern Field (2007)
Díaz-Sánchez, Anastasio, Villo-Pérez, Isidro, Pérez-Garrido, Antonio, Rebolo, Rafael
We have studied the spatial clustering of high redshift (z > 1) extremely red objects (EROs) as a function of photometric redshift in the GOODS Southern Field using public data. A remarkable...
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...
XTE J1118+480: A Metal-Rich Black Hole Binary in the Galactic Halo (2006)
Hernandez, Jonay I. Gonzalez, Rebolo, Rafael, Israelian, Garik, Harlaftis, Emilios T., Filippenko, Alexei V., Chornock, Ryan
We present medium-resolution optical spectra of the secondary star in the high Galactic latitude black hole X-ray binary XTE J1118+480 and determine the abundance of Mg, Al, Ca, Fe, and Ni in its...
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...
Chemical Abundances in the Secondary Star of the Neutron Star Binary Centaurus X-4 (2005)
Hernández, Jonay I. González, Rebolo, Rafael, Israelian, Garik, Casares, Jorge, Maeda, Keiichi, Bonifacio, Piercarlo, ...
Using a high resolution spectrum of the secondary star in the neutron star binary {Cen X-4}, we have derived the stellar parameters and veiling caused by the accretion disk in a consistent way. We...
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...
Very Small Array observations of the Sunyaev-Zel'dovich effect in nearby galaxy clusters (2004)
Lancaster, Katy, Genova-Santos, Ricardo, Falcon, Nelson, Grainge, Keith, Gutierrez, Carlos, Kneissl, Ruediger, ...
We present VSA observations (~34GHz) on scales ~20 arcmin towards a complete, X-ray-flux-limited sample of seven clusters at redshift z
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...
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., ...
Lithium in stars with exoplanets (2003)
Israelian, Garik, Santos, Nuno, Mayor, Michel, Rebolo, Rafael
We present a comparison of the lithium abundances of stars with and without planetary-mass companions. New lithium abundances are reported in 79 planet hosts and 38 stars from a comparison sample....
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...
Israelian, Garik, Santos, Nuno, Mayor, Michel, Rebolo, Rafael
The presence of possible blends in the spectral region of the Li resonance line at 6708 A in solar-type metal-rich stars is investigated using high resolution and high signal-to-noise spectroscopic...
The sigma Orionis substellar population (2003)
Navascués, David Barrado Y, Béjar, Víctor J. S., Mundt, Reinhard, Martín, Eduardo L., Rebolo, Rafael, Osorio, María Rosa Zapatero, ...
VLT/FORS spectroscopy and 2MASS near-infrared photometry, together with previously known data, have been used to establish the membership and the properties of a sample of low-mass candidate members...
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...
Discovery of a very cool object with extraordinarily strong H(alpha) emission (2002)
Navascues, David Barrado Y, Osorio, Maria Rosa Zapatero, Martin, Eduardo L., Bejar, Victor J. S., Rebolo, Rafael, Mundt, Reinhard
We report on the finding of the strongest H(alpha) emission -pseudoequivalent width of 705 Angstrom- known so far in a young, late type dwarf. This object, named as SOri71, is a substellar candidate...
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...
Sulphur abundance in very metal-poor stars (2001)
Israelian, Garik, Rebolo, Rafael
We have obtained high-resolution high signal-to-noise spectra of the SI near-infrared doublet at 8694 A in eight metal-poor stars with metallicities in the range -0.6
Galactic Evolution of Beryllium and Oxygen (2000)
Israelian, Garik, Lopez, Ramon Garcia, Rebolo, Rafael
We discuss the early evolution of beryllium and oxygen in our Galaxy by comparing abundances of these elements for halo and disk metal-poor stars. Both, O and Be rise as we go progressively to more...
Early Galactic Evolution of Carbon, Nitrogen and Oxygen (2000)
Israelian, G., Lopez, R. Garcia, Rebolo, Rafael
We present results on carbon, nitrogen, and oxygen abundances for a sample of unevolved metal-poor stars with metallicities in the range -0.3< [Fe/H]< -3. Oxygen abundances derived from different...
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...