Orbit of D3. This dusty source is part of the “D-complex” located west of Sgr A*. The used data is based on the NACO L′- and K-band identification of D2. The Doppler-shifted Brγ and HeI LOS velocity is adapted from the spectrum presented in Meyer et al. (2014) and the spectroscopic analysis of the SINFONI data cube of 2015.
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