A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging

@article{Chen2019ASV,
  title={A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging},
  author={Geoff C-F Chen and Christopher D. Fassnacht and Sherry H. Suyu and Cristian E Rusu and James H. H. Chan and Kenneth C. Wong and Matthew W. Auger and Stefan Hilbert and Vivien Bonvin and Simon Birrer and M. Millon and L{\'e}on V. E. Koopmans and David J. Lagattuta and John P. McKean and Simona Vegetti and Fr{\'e}d{\'e}ric Courbin and Xuheng Ding and Aleksi Halkola and Inh Jee and Anowar J. Shajib and Dominique Sluse and Alessandro Sonnenfeld and Tommaso Treu},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2019}
}
We present the measurement of the Hubble constant, H0, with three strong gravitational lens systems. We describe a blind analysis of both PG 1115+080 and HE 0435−1223 as well as an extension of our previous analysis of RXJ 1131−1231. For each lens, we combine new adaptive optics (AO) imaging from the Keck Telescope, obtained as part of the SHARP (Strong-lensing High Angular Resolution Programme) AO effort, with Hubble Space Telescope (HST) imaging, velocity dispersion measurements, and a… 

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