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arxiv: astro-ph/0412678 · v1 · submitted 2004-12-30 · 🌌 astro-ph

A VLBI Study of the Gravitational Lens JVAS B0218+357

classification 🌌 astro-ph
keywords b0218gravitationallenseffelsbergestablishfivefrequenciesimage
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We present the results of phase-referenced VLBA+Effelsberg observations at five frequencies of the gravitational lens B0218+357 to establish the precise registration of the A and B lensed image positions.

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