Table 2: Photometric redshifts. Uncertainties take into account the scatter in the best fits with different choices for photometric measurements (aperture size, reference filter...). Note that HST data are not used for photometry.
Arc A01 A02 A2 A4

$z_{\rm ph}$ $1.64\pm0.15$ $1.6\pm0.1$ $1.7\pm0.2$ $1.58\pm0.2$

Arc A1 A5 A'1 A6

$z_{\rm ph}$ - $1.60\pm0.1$ - $1.1\pm0.3$

**Table 2:** Photometric redshifts. Uncertainties take into account the scatter in the best fits with different choices for photometric measurements (aperture size, reference filter...). Note that HST data are not used for photometry.
Arc	A01	A02	A2	A4
$z_{\rm ph}$	$1.64\pm0.15$	$1.6\pm0.1$	$1.7\pm0.2$	$1.58\pm0.2$
Arc	A1	A5	A'1	A6
$z_{\rm ph}$	-	$1.60\pm0.1$	-	$1.1\pm0.3$

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