Figure 3 from TOWARD PRECISION PHOTOMETRY FOR THE ELT ERA: THE DOUBLE SUBGIANT BRANCH OF NGC 1851 OBSERVED WITH THE GEMINI/GeMS MCAO SYSTEM

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TOWARD PRECISION PHOTOMETRY FOR THE ELT ERA: THE DOUBLE SUBGIANT BRANCH OF NGC 1851 OBSERVED WITH THE GEMINI/GeMS MCAO SYSTEM

Authors: P. Turri, A. W. McConnachie, P. B. Stetson, G. Fiorentino, D. R. Andersen, J.-P. Véran, and G. Bono

2015 The Astrophysical Journal Letters 811 L15.

Provider: AAS Journals

Caption: Figure 3.

Left: same as Figure 2, but enlarged in the region of the double SGB. Overlaid is the selection box, orientated parallel to the linear segment of the SGB. Right: histogram of the distribution of offsets relative to the median of the left panel box. Overlaid is the best-fit double Gaussian to the bimodal distribution.

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