NASA NTRS · 20060036331
PKS 1830-211: A Possible Compound Gravitational Lens
Abstract
Measurements of the properties of gravitational lenses have the power to tell us what sort of universe we live in. The brightest known radio Einstein ring/gravitational lens PKS 1830-211, whilst obscured by our Galaxy at optical wavelengths, has recently provided a lensing galaxy redshift of 0.89 through the detection of molecular absorption in the millimetre waveband.
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Lovell, J. E. J., Reynolds, J. E., Jauncey, D. L., Backus, P. R., McCullock, P. M., Sinclair, M. W., Wilson, W. E., Tzioumis, A. K., Gough, R. G., Ellingsen, S. P., Phillips, C. J., Preston, R. A., Jones, D. L.. 1996-01-01. PKS 1830-211: A Possible Compound Gravitational Lens. https://ntrs.nasa.gov/citations/20060036331
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