Status and performance of the Gemini Planet Imager adaptive optics system

@inproceedings{Bailey2016StatusAP,
  title={Status and performance of the Gemini Planet Imager adaptive optics system},
  author={V. Bailey and L. Poyneer and B. Macintosh and D. Savransky and J. Wang and R. D. De Rosa and K. Follette and S. Ammons and T. Hayward and P. Ingraham and J. Maire and D. Palmer and M. Perrin and A. Rajan and F. Rantakyr{\"o} and S. Thomas and J. V{\'e}ran},
  booktitle={Astronomical Telescopes + Instrumentation},
  year={2016}
}
The Gemini Planet Imager is a high-contrast near-infrared instrument specifically designed to image exoplanets and circumstellar disks over a narrow field of view. We use science data and AO telemetry taken during the first 1.5 yr of the GPI Exoplanet Survey to quantify the performance of the AO system. In a typical 60 sec H-band exposure, GPI achieves a 5σ raw contrast of 10−4 at 0.4"; typical final 5σ contrasts for full 1 hr sequences are more than 10 times better than raw contrasts. We find… Expand
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