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The Stellar Abundances and Galactic Evolution Survey (SAGES). V. The First Data Release of the DDO51 Band

  • Authors: Qiqian Zhang, Zhou Fan, Gang Zhao, Kai Xiao, Wei Wang, Hongrui Gu, Jie Zheng, Jingkun Zhao, Chun Li, Yuqin Chen, Haibo Yuan, Haining Li, Kefeng Tan, Yihan Song, Ali Luo, Nan Song, Yujuan Liu, Yaqian Wu, Ali Esamdin, Hubiao Niu, Jinzhong Liu, Guojie Feng, Yu Zhang

Qiqian Zhang et al 2026 The Astrophysical Journal Supplement Series 284 .

  • Provider: AAS Journals

Caption: Figure 5.

Two-dimensional distribution of astrometric residuals (ΔR.A. versus Δdecl.) for one typical image, with points color coded by DDO51 magnitude. The top and right panels show the one-dimensional histograms of ΔR.A. and Δdecl., with the quoted σ values marking the dispersion of each component.

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