Fig. 3.
Galactic center in 2013. The on-source observation time is almost 30 h. Here we extracted a K-band image from the final data cube. On the right side, a zoomed-in and low-pass filtered image of the green rectangle area is presented. The green dashed circle shows the position of X8. The contour line is based on the blueshifted Brγ line map of 2013.
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