38 citations · 62 across the 3 of their papers we have counts for
6 papers
EVN observations of the lens system B0128+437
A. D. Biggs
Previous VLBI observations of the lens system CLASS B0128+437 showed that the lensed source had a triple sub-component structure. However, one of the images looked very different t…
B0850+054: a new gravitational lens system from CLASS
A. D. Biggs, D. Rusin, I. W. A. Browne +12
We report the discovery of a new gravitational lens system from the CLASS survey. Radio observations with the VLA, the WSRT and MERLIN show that the radio source B0850+054 is compr…
Global 8.4-GHz VLBI observations of JVAS B0218+357
A. D. Biggs, O. Wucknitz, R. W. Porcas +4
In this paper we present new observations of the gravitational lens system JVAS B0218+357 made with a global VLBI network at a frequency of 8.4 GHz. Our maps have an rms noise of 3…
Intrinsic intraday variability in the gravitational lens system B0218+357
A. D. Biggs, I. W. A. Browne, P. N. Wilkinson
Radio monitoring of the gravitational lens system B0218+357 reveals it to be a highly variable source with variations on timescales of a few days correlated in both images. This sh…
MERLIN/VLA imaging of the gravitational lens system B0218+357
A. D. Biggs, I. W. A. Browne, T. W. B. Muxlow +1
Gravitational lenses offer the possibility of accurately determining the Hubble parameter (H_0) over cosmological distances, and B0218+357 is one of the most promising systems for…
VLA 8.4 GHz monitoring observations of the CLASS gravitational lens B1933+503
I. W. A. Browne, E. Xanthopoulos, A. D. Biggs +1
The complex 10-component gravitational lens B1933+503 has been monitored with the VLA during the period February to June 1998. Here we present the results of this A-configuration 8…