Detection of Weak Lensing by a Cluster of Galaxies at z = 0.83

@article{Luppino1997DetectionOW,
  title={Detection of Weak Lensing by a Cluster of Galaxies at z = 0.83},
  author={Gerard Anthony Luppino and Nick Kaiser},
  journal={The Astrophysical Journal},
  year={1997},
  volume={475},
  pages={20 - 28}
}
We report the detection of weak gravitational lensing of faint, distant background galaxies by the rich, X-ray luminous cluster of galaxies MS 1054-03 at z = 0.83. This is the first measurement of weak lensing by a bona fide cluster at such a high redshift. We detect tangential shear at the 5%-10% level over a range of radii 50'' ≲ r ≲ 250'' centered on the optical position of the cluster. Two-dimensional mass reconstruction using galaxies with 21.5 < I < 25.5 shows a strong peak which… 
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