Fig. 12
NGC 4815 field: kinematics. Top: the 6283 Å DIB. Bottom: the 6614 Å DIB. The black line represents the HI 21 cm emission spectrum (LAB Survey). The dashed blue lines are an example of the fitted IS NaI lines (here from star 12581939-6453533) and triangles are the velocities of the DIB components derived from the global fit for all targets.
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