Fig. 1.

Simulated image of central 1.3″ for epoch 2019.4. Using the data provided in Gillessen et al. (2017), this image shows the expected appearance of the vicinity of Sgr A* at the resolution and pixel scale of the adaptive optics imager NACO at the VLT. Red labels indicate late-type stars, and blue labels indicate early-type stars. White labels indicate that no spectral identification is available.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.