Guy G. Pooley

High resolution AMI Large Array imaging of spinning dust sources: spatially correlated 8 micron emission and evidence of a stellar wind in L675 (2009)

Scaife, Anna M. M., Green, David A., Pooley, Guy G., Davies, Matthew L., Franzen, Thomas M. O., Grainge, Keith J. B., ...

We present 25 arcsecond resolution radio images of five Lynds Dark Nebulae (L675, L944, L1103, L1111 & L1246) at 16 GHz made with the Arcminute Microkelvin Imager (AMI) Large Array. These objects...

AMI observations of Lynds Dark Nebulae: further evidence for anomalous cm-wave emission (2009)

Hurley-Walker, Natasha, Green, David A., Davies, Matthew L., Franzen, Thomas M. O., Grainge, Keith J. B., ...

Observations at 14.2 to 17.9 GHz made with the AMI Small Array towards fourteen Lynds Dark Nebulae with a resolution of 2' are reported. These sources are selected from the SCUBA observations of...

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...

Opacity effects and shock-in-jet modelling of low-level activity in Cygnus X-3 (2008)

Rupen, Michael P., Türler, Marc, Lindfors, Elina J., Blundell, Katherine M., Pooley, Guy G.

We present simultaneous dual-frequency radio observations of Cygnus X-3 during a phase of low-level activity. We constrain the minimum variability timescale to be 20 minutes at 43 GHz and 30 minutes...

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....

HST/NICMOS Observations of Fast Infrared Flickering in the Microquasar GRS 1915+105 (2007)

Eikenberry, Stephen S., Patel, Shannon G., Rothstein, David M., Remillard, Ronald, Pooley, Guy G., Morgan, Edward H.

We report infrared observations of the microquasar GRS 1915+105 using the NICMOS instrument of the Hubble Space Telescope during 9 visits in April-June 2003. During epochs of high X-ray/radio...

Correlated radio--X-ray variability of Galactic Black Holes: A radio--X-ray flare in Cygnus X-1 (2007)

Wilms, Joern, Pottschmidt, Katja, Pooley, Guy G., Markoff, Sera, Nowak, Michael A., Kreykenbohm, Ingo, ...

We report on the first detection of a quasi-simultaneous radio-X-ray flare of Cygnus X-1. The detection was made on 2005 April 16 with pointed observations by the Rossi X-ray Timing Explorer and the...

Constraints on spinning dust towards Galactic targets with the Very Small Array: 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...

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...

Periodic long-term X-ray and radio variability of Cygnus X-1 (2005)

Lachowicz, Pawel, Zdziarski, Andrzej A., Schwarzenberg-Czerny, Alex, Pooley, Guy G., Kitamoto, Shunji

We present a comprehensive analysis of long-term periodic variability of Cyg X-1 using the method of multiharmonic analysis of variance (mhAoV) applied to available monitoring data since 1969, in...

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., ...

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...

9C: A Survey of Radio Sources at 15 GHz with the Ryle Telescope (2003)

Waldram, Elizabeth M., Pooley, Guy G., Grainge, Keith J. B., Jones, Michael E., Saunders, Richard D. E., Scott, Paul F., ...

The fields chosen for the first observations of the cosmic microwave background with the Very Small Array have been surveyed with the Ryle Telescope at 15 GHz. We have covered three regions around RA...

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 -- 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...

A One-sided, Highly Relativistic Jet from Cygnus X-3 (2001)

Mioduszewski, Amy J., Rupen, Michael P., Hjellming, Robert M., Pooley, Guy G., Waltman, Elizabeth B.

Very Long Baseline Array images of the X-ray binary, Cygnus X-3, were obtained 2, 4 and 7 days after the peak of a 10 Jy flare on 4 February 1997. The first two images show a curved one-sided jet,...

Discovery of Radio Outbursts in the Active Nucleus of M81 (1999)

Ho, Luis C., Van Dyk, Schuyler D., Pooley, Guy G., Sramek, Richard A., Weiler, Kurt W.

The low-luminosity active galactic nucleus of M81 has been monitored at centimeter wavelengths since early 1993 as a by-product of radio programs to study the radio emission from Supernova 1993J. The...