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WFST Astrometric Calibration. I. Modeling Global Geometric Distortion with Zernike Polynomials

  • Authors: Chao Yang, Min Fang, Xian Zhong Zheng, Guoliang Li, Binyang Liu, Zheng Lou, Zhen Wan, Miaomiao Zhang, Tian-Rui Sun, Lulu Fan, Xiaoling Zhang, Xu Kong, Yongquan Xue, Wen Zhao, Bin Li, Wentao Luo, Feng Li, Wei Liu, Jian Wang, Hongfei Zhang, Hao Liu, Qinfeng Zhu, Hairen Wang, Dazhi Yao

Chao Yang et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 4.

Typical E- and B-mode correlation functions. The left panel shows the correlation functions for the exposure corresponding to panel (c) of Figure 3, while the right panel shows the correlation functions averaged over all exposures in the 20250218 dataset. The solid curves denote the mean values, and the shaded regions indicate the 1σ scatter among the exposures.

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