Discovery of a New Gravitational Lens System

Details Discovery of a New Gravitational Lens System Discovery of a New Gravitational Lens System

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sci...223...46l&link_type=abstract

Science, Volume 223, Issue 4631, pp. 46-49

Computer Science

121

Scientific paper

A new gravitational lens system, the triple radio source MG2016+112, has been discovered. Five emission lines at a redshift of 3.2733 ± 0.0014 have been identified in the spectra of two stellar objects of magnitude 22.5 coincident with radio components 3.4 arc seconds apart. The lines are the narrowest ever observed in objects at such a large redshift. The redshift of a 23rd-magnitude extended optical object coincident with the third radio component has not been determined spectroscopically, but its known optical properties are consistent with those of a giant elliptical galaxy with a redshift of about 0.8.

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