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Removing the Impact of Correlated PSF Uncertainties in Weak Lensing

  • Authors: Tianhuan Lu, Jun Zhang, Fuyu Dong, Yingke Li, Dezi Liu, Liping Fu, Guoliang Li, and Zuhui Fan

2018 The Astrophysical Journal 858 122.

  • Provider: AAS Journals

Caption: Figure 6.

Residual additive bias correlations of three groups of galaxies: (1) σ = 2.1 (upper), (2) σ = 3.5 (middle), and (3) a mixture of σ = 2.1 and σ = 3.5 (lower). The results are measured based on CFHTLenS w2, including 16 pointings and 7 exposures on each pointing. The data points are offset by a small distance to improve visibility, and a dashed error bar means the value is negative.

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