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The Structure of the Gravitational Lens System B1152+199
P. G. Edwards, J. E. J. Lovell, H. Hirabayashi, D. L. Jauncey, S. Toft
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Publications of the Astronomical Society of Australia / Volume 18 / Issue 2 / 2001

Published online by Cambridge University Press:

05 March 2013, pp. 172-175
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We have commenced a program to monitor the gravitational lens B1152+199 with the Australia Telescope Compact Array (ATCA) to search for variability of the lensed components with the goal of measuring the lensing time delay. As part of this program we made a 9 hour full-synthesis observation in June 2000 to derive a ‘template’ for model-fitting the shorter, multi-epoch, monitoring observations. We report here on the results of this full-synthesis observation and on three additional epochs of monitoring for time variation.