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On-sky PSF reconstruction with APETy

机译：天空的PSF重建，赡养化

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PSF reconstruction (PSF-R) for AO systems was pioneered by J.P. Veran in 1997 [1] and was successfully demonstrated at CFHT/PUEO. A recent example was presented in the case for the Keck telescope in 2012 [2]. Nevertheless, it has been a constant struggle since to implement these technique as observatory standard. APETy (A PSF Estimation Tool for Yorick) has been developed since 2009 and applied for PSF reconstruction for the Near Infrared Coronograph Imager (NICI) at the Gemini South Observatory based on a 85 element curvature AO system. Using on-sky wavefront sensor data, we estimate the seeing (r0) from deformable mirror commands and reconstruct diffraction limited images (52 mas resulution) with an accuracy of approximately 90% when compared to the science images. APETy is publically available via GitHub and can be adapted to other systems. APETy development includes the PSF-R variation proposed by Gendron [3] which proved to be almost 4 times faster than the original approach.
机译：AO系统的PSF重建（PSF-R）由J.P. Veran于1997年进行了启动[1]，并在CFHT / Pueo成功展示。在2012年的Keck望远镜的情况下提出了最近的一个例子[2]。尽管如此，它是一种恒定的斗争，以便以天文台标准实施这些技术。自2009年以来，自2009年开发了Apetie（Yorick的PSF估计工具），并在基于85个元素曲率AO系统的Gemini South Meaneveratory在Gemini South Meanevity的近红外冠状动脉成像仪（Nici）的PSF重建。使用On-Sky波前传感器数据，我们从可变形镜头命令估计视看（R0），并重建衍射限制图像（52MAS修复），与科学图像相比，精度约为90％。 Apetive通过GitHub公开可用，可以适用于其他系统。 Apete Development包括Gendron [3]提出的PSF-R变异，其被证明比原始方法快4倍。

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