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astro-ph2000
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…
astro-ph2000
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…