The first Frontier Fields cluster: 4.5 m excess in a z 8 galaxy candidate in Abell 2744

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Table 2

Photometry of the z ~ 8 galaxy candidate.

Filter	F105W	F125W	F140W	F160W	3.6 μm	4.5 μm

Abell2744_Y1	27.50	26.32	26.26	26.25	>25.48^a	25.16
	±0.08	±0.04	±0.03	±0.04		±0.16

Notes. Kron-like aperture corrected photometry. Error bars are computed using noise measured in empty apertures around the object.

^(a)

3σ limit at the position of our candidate.

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