The Full Spectrum Galactic Terrarium: MHz to TeV Observations of Various Critters (2008)
Roberts, Mallory S. E., Brogan, C., Ransom, S., Lyutikov, M., Wilhelmi, E. De Oña, Djannati-Ataï, A., ...
Multi-wavelength studies at radio, infrared, optical, X-ray, and TeV wavelengths have discovered probable counterparts to many Galactic sources of GeV emission detected by EGRET. These include pulsar...
A jet model for Galactic black-hole X-ray sources: Some constraining correlations (2008)
Kylafis, N. D., Papadakis, I. E., Reig, P., Giannios, D., Pooley, G. G.
Some recent observational results impose significant constraints on all the models that have been proposed to explain the Galactic black-hole X-ray sources in the hard state. In particular, it has...
The Arcminute Microkelvin Imager (2008)
Barker, R. W., Biddulph, P., Bly, D., Boysen, R. C., Brown, A. R., ...
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''-10'. The telescope...
AMI limits on 15 GHz excess emission in northern HII regions (2007)
Scaife, A. M. M., Hurley-Walker, N., Davies, M. L., Duffett-Smith, P. J., Feroz, F., Grainge, K. J. B., ...
We present observations between 14.2 and 17.9 GHz of sixteen Galactic HII regions made with the Arcminute Microkelvin Imager (AMI). In conjunction with data from the literature at lower radio...
Waldram, E. M., Bolton, R. C., Pooley, G. G., Riley, J. M.
We have used multi-frequency follow-up observations of a sample of extragalactic sources from the 9C survey at 15 GHz to make deductions about the expected source population at higher radio...
First e-VLBI observations of GRS1915+105 (2007)
Rushton, A., Spencer, R.E., Strong, M., Campbell, R.M., Casey, S., Fender, R.P., ...
We present results from the first successful open call electronic very-long-baseline interferometry (e-VLBI) science run, observing the X-ray binary GRS1915+105. e-VLBI science allows the rapid...
Evidence for deceleration in the radio jets of GRS1915+105? (2006)
Rupen, M. P., Fender, R. P., Rushton, A., Pooley, G. G., Spencer, R. E.
There is currently a clear discrepancy in the proper motions measured on different angular scales in the approaching radio jets of the black hole X-ray binary GRS1915+105. Lower velocities were...
First e-VLBI observations of GRS 1915+105 (2006)
Rushton, A., Spencer, R. E., Strong, M., Campbell, R. M., Casey, S., Fender, R. P., ...
We present results from the first successful open call e-VLBI science run, observing the X-ray binary GRS 1915+105. e-VLBI science allows the rapid production of VLBI radio maps, within hours of an...
First e-VLBI observations of Cygnus X-3 (2006)
Tudose, V., Fender, R. P., Garrett, M. A., Paragi, Z., Spencer, R. E., ...
We report the results of the first two 5 GHz e-VLBI observations of the X-ray binary Cygnus X-3 using the European VLBI Network. Two successful observing sessions were held, on 2006 April 20, when...
Rubiño-Martín, J.A., Aliaga, A.M., Barreiro, R.B., Battye, R.A., Carreira, P., Cleary, K., ...
Out of the 41 published VSA individual pointings dedicated to cosmological [cosmic microwave background (CMB)] observations, 37 are found to be consistent with Gaussianity, whereas four pointings...
Worsley, M. A., Fabian, A. C., Pooley, G. G., Chandler, C. J.
We report on the extreme behaviour of the high redshift blazar GB B1428+4217 at z=4.72. A continued programme of radio measurements has revealed an exceptional flare in the lightcurve, with the 15.2...
A transient relativistic radio jet from Cygnus X-1 (2006)
Fender, R. P., Stirling, A. M., Spencer, R. E., Brown, I., Pooley, G. G., Muxlow, T. W. B., ...
We report the first observation of a transient relativistic jet from the canonical black hole candidate, Cygnus X-1, obtained with the Multi-Element Radio-Linked Interferometer Network (MERLIN). The...
INTEGRAL and RXTE power spectra of Cygnus X-1 (2006)
Pottschmidt, K., Wilms, J., Nowak, M. A., Larsson, S., Zdziarski, A. A., Pooley, G. G.
Radio imaging campaign on newly-detected jets in GRS1915+105 (2006)
Rupen, M.P., Trushkin, S.A, Pooley, G.G., Fender, R.P.
We report the detection of a large-scale radio jet in the black hole X-ray binary GRS 1915+105 following an X-ray and radio outburst, and announce the start of an intensive radio imaging campaign....
A transient relativistic radio jet from Cygnus X-1 (2006)
Fender, R.P., Stirling, A.M., Spencer, R.E., Brown, I., Pooley, G.G., Muxlow, T.W.B., ...
We report the first observation of a transient relativistic jet from the canonical black hole candidate, Cygnus X-1, obtained with the Multi-Element Radio-Linked Interferometer Network (MERLIN). The...
First observations of GRS 1915+105 with e-VLBI (2006)
Rushton, A., Spencer, R.E., Strong, M., Campbell, R.M., Casey, S., Fender, R.P., ...
We present results from the first successful open call e-VLBI science run, observing the X-ray binary GRS 1915+105. e-VLBI science allows the rapid production of VLBI radio maps, within hours of an...
Deceleration in the radio jets of GRS 1915+105 (2006)
Rupen, M., Fender, R.P., Rushton, T., Pooley, G.G., Spencer, R.
There is currently a discrepancy in the proper motions measured on different angular scales in the approaching radio jets of the black hole X-ray binary GRS 1915+105. Lower velocities were measured...
A transient relativistic radio jet from Cygnus X-1 (2006)
Fender, R.P., Stirling, A.M., Spencer, R.E., Brown, I., Pooley, G.G., Muxlow, T.W.B., ...
We report the first observation of a transient relativistic jet from the canonical black hole candidate, Cygnus X-1, obtained with the Multi-Element Radio-Linked Interferometer Network (MERLIN). The...
Long Term Variability of Cygnus X-1. IV. Spectral Evolution 1999-2004 (2005)
Wilms, J., Nowak, M. A., Pottschmidt, K., Pooley, G. G., Fritz, S.
(abbreviated abstract) We present the long term spectral evolution of the Galactic black hole candidate Cygnus X-1 in the X-rays and at 15GHz using ~200 pointed observations taken between early 1999...
Low frequency radio monitoring of Cygnus X-1 and Cygnus X-3 (2005)
Pandey, M., Rao, A. P., Pooley, G. G., Durouchoux, P., Manchanda, R. K., Ishwara-Chandra, C. H.
We present results of monitoring observations of the micro-quasars CygnusX-1 and Cygnus X-3 at 0.61 and 1.28 GHz. The observations were performed with Giant Meter-wave Radio Telescope, GMRT, between...
Multiple relativistic outbursts of GRS 1915+105: radio emission and internal shocks (2005)
McCormick, D. G., Fender, R. P., Spencer, R. E., Muxlow, T. W. B., Pooley, G. G.
We present 5-GHz MERLIN radio images of the microquasar GRS 1915+105 during two separate outbursts in 2001 March and 2001 July, following the evolution of the jet components as they move outwards...
INTEGRAL & RXTE Power Spectra of Cygnus X-1 (2005)
Pottschmidt, K., Wilms, J., Nowak, M. A., Larsson, S., Zdziarski, A. A., Pooley, G. G.
We evaluate 0.03-20 Hz power spectra of the bright black hole binary Cyg X-1 obtained from non-deconvolved INTEGRAL-ISGRI event data. The ISGRI power spectra are compared to contemporary RXTE-PCA...
Hannikainen, D. C., Rodriguez, J., Vilhu, O., Hjalmarsdotter, L., Zdziarski, A. A., Belloni, T., ...
We report on the analysis of 100 ks INTEGRAL observations of the Galactic microquasar GRS 1915+105. We focus on INTEGRAL Revolution number 48 when the source was found to exhibit a new type of...
Rajguru, N., Myers, S. T., Battye, R. A., Bond, J. Richard, Cleary, K., Contaldi, C. R., ...
We present coincident observations of the Cosmic Microwave Background (CMB) from the Very Small Array (VSA) and Cosmic Background Imager (CBI) telescopes. The consistency of the full datasets is...
Multiple relativistic outbursts of GRS1915+105: radio emission and internal shocks (2005)
McCormick, D.G., Fender, R.P., Spencer, R.E., Muxlow, T.W.B., Pooley, G.G.
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...
Was the Narrow Line Seyfert 1 RGB J0044+193 ever radio loud? (2004)
Maccarone, T. J., Fender, R. P., Pooley, G. G.
We show new radio data and a re-analysis of old data for the Narrow Line Seyfert 1 (NLSy1) galaxy RGB J0044+193. This galaxy has previously been suggested to be both radio loud, and highly variable...
Cosmological parameter estimation using Very Small Array data out to ℓ= 1500 (2004)
Rebolo, R., Battye, R.A., Carreira, P., Cleary, K., Davies, R.D., Davis, R.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 cosmic microwave background (CMB) data and...
Cosmological parameter estimation using Very Small Array data out to ℓ= 1500 (2004)
Rebolo, R., Battye, R.A., Carreira, P., Cleary, K., Davies, R.D., Davis, R.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 cosmic microwave background (CMB) data and...
Estimating the bispectrum of the Very Small Array data (2004)
Smith, S., Rocha, R., Challinor, A., Battye, R.A., Carreira, P., Cleary, K., ...
We estimate the bispectrum of the Very Small Array data from the compact and extended configuration observations released in 2002 December, and compare our results with those obtained from Gaussian...
The 9C Survey: a deeper source count at 15 GHz (2004)
Foreground radio sources are a major contaminant for centimetre-wave cosmic microwave background (CMB) measurements and the 9C survey was set up as part of the observing strategy of the CMB...
The radio source population at high frequency: follow-up of the 15-GHz 9C survey (2004)
Bolton, R. C., Cotter, G., Pooley, G. G., Riley, J. M., Waldram, E. M., Chandler, C. J., ...
We have carried out extensive radio and optical follow-up of 176 sources from the 15 GHz 9th Cambridge survey. Optical identifications have been found for 155 of the radio sources; optical images are...
Long term variability of Cygnus X-1, III. Radio-X-ray correlations (2004)
Gleissner, T., Wilms, J., Pooley, G. G., Nowak, M. A., Pottschmidt, K., Markoff, S., ...
Long time scale radio-X-ray correlations in black holes during the hard state have been found in many sources and there seems to emerge a universal underlying relationship which quantitatively...
GRS 1915+105: The first three months with INTEGRAL (2004)
Hannikainen, D. C., Vilhu, O., Rodriguez, J., Westergaard, N. J., Shaw, S., Pooley, G. G., ...
GRS 1915+105 is being observed as part of an Open Time monitoring program with INTEGRAL. Three out of six observations from the monitoring program are presented here, in addition to data obtained...
Multi-wavelength INTEGRAL NEtwork (MINE) observations of the microquasar GRS 1915+105 (2004)
Fuchs, Yael, Rodriguez, J., Shaw, S. E., Kretschmar, P., Ribo, M., Chaty, S., ...
We present the international collaboration MINE (Multi-lambda Integral NEtwork) aimed at conducting multi-wavelength observations of X-ray binaries and microquasars simultaneously with the INTEGRAL...
Different kinds of long-term variability from Cygnus X-1 (2004)
Benlloch, S., Pottschmidt, K., Wilms, J., Nowak, M. A., Gleissner, T., Pooley, G. G.
We present a study of the long-term variability of Cyg X-1 using data from the RXTE/ASM and the RXTE/PCA during the time between the two soft states of 1996 and 2001/2002. This period has been...
Multifrequency radio continuum observations of NGC 1569: Evidence for a convective wind (2004)
Lisenfeld, U., Wilding, T., Pooley, G. G., Alexander, P.
We present high-sensitivity radio continuum observations with the VLA and Ryle Telescope at 1.5, 4.9, 8.4 and 15.4 GHz of the dwarf irregular galaxy NGC 1569. The radio data show an extended,...
Monitoring Cygnus X-1 with RXTE (2004)
Wilms, J., Pottschmidt, K., Nowak, M.A., Gleissner, T., Pooley, G.G., Remillard, R., ...
Short-Term Radio-X-ray Correlations of Cygnus X-1 (2004)
Gleissner, T., Wilms, J., Pooley, G.G., Nowak, M.A., Pottschmidt, K., Markoff, S., ...
We analyze simultaneous radio-X-ray data of Cygnus X-1 from the Ryle telescope (RT) and RXTE over more than 4 a. We show that apparent correlations on short time scales in the lightcurves of Cyg X-1...
Quenched millimetre emission from Cygnus X-1 in a soft X-ray state (2004)
Tigelaar, S.P., Fender, R.P., Tilanus, R.P.J., Gallo, E., Pooley, G.G.
We present millimetre wavelength observations of the black hole candidate X-ray binary Cygnus X-1 that indicate a suppression, or quenching, of the emission as the source switches to a softer X-ray...
Long term variability of Cygnus X-1. III. Radio-X-ray correlations (2004)
Gleissner, T., Wilms, J., Pooley, G.G., Nowak, M.A., Pottschmidt, K., Markoff, S., ...
Long time scale radio-X-ray correlations in black holes during the hard state have been found in many sources and there seems to emerge a universal underlying relationship which quantitatively...
Monitoring Cygnus X-1 with RXTE (2004)
Wilms, J., Pottschmidt, K., Nowak, M. A., Gleissner, T., Pooley, G. G., Remillard, R., ...
Simultaneous multi-wavelength observations of microquasars(the MINE collaboration) (2004)
Fuchs, Y., Rodriguez, J., Mirabel, I. F., Shaw, S. E., Kretschmar, P., Ribó, M., ...
Long term variability of Cygnus X-1. III. Radio-X-ray correlations (2004)
Gleissner, T., Wilms, J., Pooley, G. G., Nowak, M. A., Pottschmidt, K., Markoff, S., ...
Multi-wavelength INTEGRAL network (MINE) observations of the microquasar GRS 1915+105 (2004)
Fuchs, Yaël, Rodriguez, J., Shaw, S. E., Kretschmar, P., Ribó, M., Chaty, S., ...
INTEGRAL-RXTE observations of Cygnus X-1 (2004)
Pottschmidt, K., Wilms, J., Nowak, M. A., Dubath, P., Kreykenbohm, I., Gleissner, T., ...
Different kinds of long-term variability from Cygnus X-1 (2004)
Benlloch, S., Pottschmidt, K., Wilms, J., Nowak, M. A., Gleissner, T., Pooley, G. G.
INTEGRAL/RXTE observations of Cygnus X-1 (2004)
Wilms, J., Pottschmidt, K., Nowak, M. A., Chernyakova, M., Rodriguez, J., Zdziarski, A. A., ...
Short-term radio-X-ray cCorrelations of Cygnus X-1 (2004)
Gleissner, T., Wilm, J., Pooley, G. G., Nowack, M. A., Pottschmidt, K., Markoff, S., ...
Simultaneous multi-wavelength observations of Microquasars (the mine collaboration) (2004)
Brown , I., Chaty , S., Dhawan , V., Fuchs , Y., Hannikainen , D. C., Kretschmar , P., ...
Presentamos la colaboración internacional MINE (Multi- INTEGRAL NEtwork) cuya meta es llevar a cabo observaciones en múltiples longitudes de onda de microcuasares de forma simultánea al satélite...
Cygnus x-3: orbital modulation in x-rays and radio (2004)
Hakala , P. J., Hannikainen , D. C., Hjalmarsdotter , L., McCollough , M., Pooley , G. G., Vilhu , O.
Short-term radio{x-ray correlations of Cygnus x-1 (2004)
Fender , R. P., Gleissner , T., Klein Wolt, M., Markoff , S., Nowak , M. A., Pooley , G. G., ...
Short-Term Radio-X-ray Correlations of Cygnus X-1 (2003)
Gleissner, T., Wilms, J., Pooley, G. G., Nowak, M. A., Pottschmidt, K., Markoff, S., ...
We analyze simultaneous radio-X-ray data of Cygnus X-1 from the Ryle telescope (RT) and RXTE over more than 4 a. We show that apparent correlations on short time scales in the lightcurves of Cyg X-1...
Simultaneous multi-wavelength observations of microquasars (the MINE collaboration) (2003)
Fuchs, Yael, Rodriguez, J., Mirabel, I. F., Shaw, S. E., Kretschmar, P., Ribo, M., ...
We present the international collaboration MINE (Multi-lambda INTEGRAL NEtwork) aimed at conducting multi-wavelength observations of microquasars simultaneously with the INTEGRAL satellite. The first...
Fuchs, Yael, Rodriguez, J., Chaty, S., Ribo, M., Mirabel, I. F., Dhawan, V., ...
We present the international collaboration MINE (Multi-lambda Integral NEtwork) aimed at conducting multi-wavelength observations of X-ray binaries and microquasars simultaneously with INTEGRAL. The...
First INTEGRAL observations of GRS 1915+105 (2003)
Hannikainen, D. C., Vilhu, O., Rodriguez, J., Brandt, S., Westergaard, N. J., Lund, N., ...
We present data from the first of six monitoring Open Time observations of GRS 1915+105 undertaken with the orbiting INTEGRAL satellite. The source was clearly detected with all three X-ray and...
Simultaneous multi-wavelength observations of GRS 1915+105 (2003)
Fuchs, Yael, Rodriguez, J., Mirabel, I. F., Chaty, S., Ribo, M., Dhawan, V., ...
We present the result of multi-wavelength observations of the microquasar GRS 1915+105 in a plateau state with a luminosity of ~7.5x10^{38) erg s-1 (~40% L_Edd), conducted simultaneously with the...
On the origin of the various types of radio emission in GRS 1915+105 (2003)
Vadawale, S. V., Rao, A. R., Naik, S., Yadav, J. S., Ishwara-Chandra, C. H., Rao, A. Pramesh, ...
We investigate the association between the radio ``plateau'' states and the large superluminal flares in GRS 1915+105 and propose a qualitative scenario to explain this association. We identify...
Follow-up of the 9C survey: Initial results (2003)
Bolton, R. C., Cotter, G., Pearson, T. J., Pooley, G. G., Readhead, A. C. S., Riley, J. M., ...
We present initial results from a follow-up of the 9C survey, complete to 25 mJy at 15 GHz, designed to assemble and investigate a sample of young radiosources. We have made radio continuum maps of...
First INTEGRAL observations of GRS 1915+105 (2003)
Hannikainen, D.C., Kaiser, Christian R., Rodriguez, J., Brandt, S., Westergaard, N.J., ...
We present data from the first of six monitoring Open Time observations of GRS 1915+105 undertaken with the orbiting INTEGRAL satellite. The source was clearly detected with all three X-ray and...