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Improved Astrometry in a Sparse Star Field and New Positions of Triton and Nereid (2018–2020)

  • Authors: X. Q. Fang, Q. Y. Peng, Y. D. Ping, F. Li, T. R. Sun, X. Wang, X. Lu, B. F. Guo

X. Q. Fang et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 2.

The (O − C) dispersion for different methods when Triton is located at two specific locations on a 2k × 2k CCD. The first position is centered around (1140, 930), and the second around (320, 1400). Data from 2019 November 28.

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