MERLIN Observations of the Gravitational Lens System 2016+112

Details MERLIN Observations of the Gravitational Lens System 2016+112 MERLIN Observations of the Gravitational Lens System 2016+112

Aug 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mnras.269..902g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 269, NO. 4/AUG15, P. 902, 1994

Astronomy and Astrophysics

Astronomy

16

Scientific paper

We present a λ6-cm MERLIN map of the gravitational lens system 2016+112. The map shows the three main regions of radio emission, previously designated A, B and C. For the first time the `C-region' is clearly resolved into two components, C_1_ and C_2_, separated by ~112 mas. C_1_ is extended in the east-west direction, while C_2_ is unresolved. We suggest that C_2_ is probably a lensed image associated with the Lyα image, C', previously detected in this region. The nature of C_1_ is less clear: either it is highly magnified lensed emission from part of the background source, or it is radio emission from a lensing galaxy located near C. Neither explanation is entirely satisfactory. The MERLIN map rules out previously published lens models of this system.

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