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most citedThe time delay of the quadruple quasar RX J0911.4+0551

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astro-ph2000

An optical time-delay estimate for the double gravitational lens system B1600+434

I. Burud, J. Hjorth, A. O. Jaunsen +7

We present optical I-band light curves of the gravitationally lensed double QSO B1600+434 from observations obtained at the Nordic Optical Telescope (NOT) between April 1998 and No…