Fig. 4. IRAM 30-m spectra of CS toward VLA source B: position . We show in the top panel CS(2-1), in the middle CS(3-2), and in the bottom CS(5-4). The CS(5-4) spectrum has been smoothed to a 0.49 km s-1 velocity resolution.
![[FIGURE]](img39.gif)
![[FORMULA]](img32.gif)
. We show in the top panel CS(2-1), in the middle CS(3-2), and in the bottom CS(5-4). The CS(5-4) spectrum has been smoothed to a 0.49 km s-1 velocity resolution.