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Table A.1.

Overview of telescopes and data used in this work

Epoch Telescope/Instrument Band Purpose
2005-2019 VLT/SINFONI H+K D, K, C
2002-2018 VLT/NACO L FC, SED, Si, C
2011 VLT/NACO K FC, SED
2012 VLT/NACO M SED, C
2017 ALMA 100 GHz FC

Notes: We list the individual epochs, telescopes and instruments, bands, and the related abbreviations: (C) Color analysis, (Si) Source identification, (SED) spectral energy distribution, (K) Keplerian fit, (D) three-dimensional distance.

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