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Observations of Uranus and Main Uranian Satellites by Using Methane Filter from 2019 to 2025

  • Authors: Jian Chen, 健 陈, Tianrui Sun, 天瑞 孙, Fan Li, 凡 李, Ye Yuan, 烨 袁, Yanning Fu, 燕宁 傅, Yuxi Jiang, 雨汐 蒋, Haoran Song, 浩冉 宋

Jian Chen et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 5.

Residuals of U2 positions by this work with respect to DE442+D7M25. Symbols share the same meaning with Figure 4. The label “occ” represents the occultation observation in 2020 (Δα∗ = −18.03 ± 0.32 mas, Δδ = 1.35 ± 0.32 mas) (D. Herald et al. 2020; M. Assafin et al. 2023), which is not used in the development of URA182 and DE442.

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