Frequency dependent radio structure of the gravitational lens system B0218+357

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dc.creatorPatnaik, Alok R.
dc.creatorPorcas, Richard W.
dc.date1998-03-23
dc.date.accessioned2026-07-07T02:26:26Z
dc.date.available2026-07-07T02:26:26Z
dc.descriptionWe present multi-frequency radio continuum VLBI observations of the gravitational lens system B0218+357 carried out using a global VLBI network and the VLBA. The source has been observed with resolutions from 0.2 milliarcsec to 5 milliarcsec and displays interesting structure. The spectral properties of various components show that the lensed object is a standard flat spectrum radio source which has many self-absorbed components. Based on the flux ratio of the lensed images as a function of frequency we propose a simple model for the background radio source.
dc.description5 pages, LaTeX, 3 figures, uses paspconf.sty and psfig.sty. To appear in "Highly Redshifted Radio Lines", eds. C. Carilli, S.Radford, K. Menten, G. Langston, (PASP: San Francisco)
dc.identifierhttps://arxiv.org/abs/astro-ph/9803264
dc.identifierhttp://arxiv.org/abs/astro-ph/9803264
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/12274
dc.subjectAstrophysics
dc.titleFrequency dependent radio structure of the gravitational lens system B0218+357
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