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- W2095372403 abstract "We present 3 years of photometry of the Double Hamburger lensed quasar, HE 1104-1805 AB, obtained on 102 separate nights using the Optical Gravitational Lensing Experiment 1.3 m telescope. Both the A and B images show variations, but with substantial differences in the light curves at all time delays. At the 310 day delay reported by Wisotzki and collaborators, the difference light curve has an rms amplitude of 0.060 mag. The structure functions for the A and B images are quite different, with image A more than twice as variable as image B (a factor of 4 in structure function) on timescales of less than a month. Adopting microlensing as a working hypothesis for the uncorrelated variability, the short timescale argues for the relativistic motion of one or more components of the source. We argue that the small amplitude of the fluctuations is due to the finite size of the source with respect to the microlenses." @default.
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- W2095372403 date "2003-02-20" @default.
- W2095372403 modified "2023-10-05" @default.
- W2095372403 title "Microlensing of Relativistic Knots in the Quasar HE 1104−1805 AB" @default.
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- W2095372403 doi "https://doi.org/10.1086/345716" @default.
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