Table 2: Properties of the lensed systems and red background galaxies magnified by the galaxy cluster. In the redshift column we list the spectroscopic redshift (if measured) or the photometric one. In the last column, the flag of the spectroscopic redshift or the predictions $z_{\rm mod}$ (or the constraints on the redshift) from the strong lensing model are given. Spectroscopic redshifts are obtained by summing all the images in the given lensed system.
ID $\alpha {\rm (J2000)}$ $\delta {\rm (J2000)}$ $B_{\rm 450}$ Redshift Notes

multiple image system

          

A1

 23:51:39.7 -26:04:48.8 20.26 $1.0334 \pm 0.0003$ flag = 4
A2 23:51:40.0 -26:04:52.0 20.62 $1.0334 \pm 0.0003$ flag = 4
A3 23:51:40.6 -26:05:04.0 21.30 $1.0334 \pm 0.0003$ flag = 4

B1

 23:51:40.3 -26:05:12.0 25.13 $ z_{\rm ph} = 1.20 \pm 0.12$ $z_{\rm mod} = 1.25 \pm 0.05 $
B2 23:51:40.0 -26:05:03.5 23.13 - $z_{\rm mod} = 1.25 \pm 0.05 $
B3 23:51:38.3 -26:04:44.3 25.99 - $z_{\rm mod} = 1.25 \pm 0.05 $

C1

 23:51:40.6 -26:04:56.0 24.95 $1.578 \pm 0.004$ flag=1, $z_{\rm mod} = 1.6 \pm 0.1 $
C2 23:51:40.7 -26:04:59.1 24.86 $1.578 \pm 0.004$ flag=1, $z_{\rm mod} = 1.6 \pm 0.1 $

D1

 23:51:38.1 -26:04:49.8 24.29 $ z_{\rm ph} = 3.12 \pm 0.10 $ $z_{\rm mod} = 3.2 \pm 0.2 $
D2 23:51:40.3 -26:05:19.4 25.09 $ z_{\rm ph} = 2.85 \pm 0.10 $ $z_{\rm mod} = 3.2 \pm 0.2 $
single image systems          

Ra

 23:51:39.4 -26:05:03.3 23.90 $0.620 \pm 0.003$ flag = 1
Rb 23:51:40.0 -26:05:31.5 27.09 $ z_{\rm ph} = 0.95 \pm 0.05 $ -
Rc 23:51:37.6 -26:05:14.8 23.74 $ z_{\rm ph} = 1.15 \pm 0.05$ $ z_{\rm mod} < 1.5 $

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