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Table 1.

Position, spectroscopic redshift, and (F438W − F160W) color for the BGG and multiple images used in the modeling.

ID RA Dec zspec Color a [″] b [″]
BGG 9:21:25.738 18:10:17.70 0.6828
S0(a) 9:21:25.040 18:10:12.27 1.4869 4.69±0.90 0.14 0.07
S0(b) 9:21:25.858 18:10:07.24 1.4869 5.53±2.13 0.14 0.07
S0(c) 9:21:26.439 18:10:13.60 1.4869 4.35±1.67 0.14 0.07
S0(d) 9:21:25.781 18:10:24.64 1.4869 4.19±0.53 0.14
S1(a) 9:21:25.987 18:10:07.84 1.4869 1.37±0.08 0.14 0.07
S1(b) 9:21:26.376 18:10:12.58 1.4869 1.32±0.08 0.14 0.07
S2(a) 9:21:25.851 18:10:34.05 1.4874 0.14 0.07
S2(b) 9:21:26.252 18:10:31.13 1.4874 0.14 0.07
S2(c) 9:21:26.323 18:10:31.04 1.4874 0.14 0.07
S3(a) 9:21:24.159 18:10:16.03 2.763 3.13±0.24 0.14 0.07
S3(b) 9:21:26.517 18:10:21.73 2.763 3.37±0.17 0.28 0.07
S4(a) 9:21:25.105 18:10:17.76 3.4280 0.21
S4(b) 9:21:25.531 18:10:17.62 3.4280 0.21
S4(c) 9:21:27.395 18:10:18.65 3.4280 0.21
S5(a) 9:21:24.634 18:10:06.47 4.205 0.27 0.14
S5(b) 9:21:25.418 18:09:59.46 4.205 2.33±0.69 0.27 0.14
S5(c) 9:21:27.085 18:10:13.39 4.205 2.23±0.85 0.27 0.14
S5(d) 9:21:25.670 18:10:35.81 4.205 0.27 0.14

Notes. The right ascension and declination are measured with SExtractor in our HST F160W image, except for images of source 4 (S4), which are only detected by MUSE. All spectroscopic redshifts are secure and measured with MUSE. The (F438W − F160W) colors of multiple images in each set are consistent with each other given the 1σ uncertainties. Multiple images without color values either fall into the WFC3 UVIS chip gaps or are undetected in both bands (for S4), and they are all confirmed by MUSE. The last two columns show the positional uncertainties along the elliptical major a and minor b axes that we used for the image position modeling (Sect. 4). Images with a single listed value have circular positional uncertainties.

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