Showing astro-phShow all
2 papers · 1 filter
astro-ph2003
Changes in the measured image separation of the gravitational lens system, PKS 1830-211
C. Jin, M. A. Garrett, S. Nair +3
We present eight epochs of 43 GHz, dual-polarisation VLBA observations of the gravitational lens system PKS 1830-211, made over fourteen weeks. A bright, compact ``core'' and a fai…
astro-ph1999
Changes in the angular separation of the lensed images PKS 1830-211 NE & SW
Jin Chengjin, M. A. Garrett, S Nair +2
We present 8 epochs of 7 mm dual-polarization VLBA observations of the gravitational lens system PKS 1830-211 made over the course of 14 weeks. Clear changes in the relative positi…