1830–211 – a flat-spectrum radio source with double structure
Open Access
- 1 March 1988
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 231 (2) , 229-236
- https://doi.org/10.1093/mnras/231.2.229
Abstract
We present radio observations of the source 1830–211 whose structure is anomalous in relation to its spectrum. The flat-spectrum source has well-defined double structure with components of nearly equal flux densities and separated by ∼1 arcsec. The source does not fit into any of the known classes. It is possible that the double structure is due to gravitational lensing of a single flat-spectrum source by the potential of a foreground galaxy, but even this does not fully explain all the observations.Keywords
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