Fig. 2
Position velocity maps of H i, [C ii], and 12CO J = 1 → 0 for the observed GOT C+ LOSs between l = −100° and 100° at b = 0°. We have overlaid the Scutum-Crux, Sagittarius Carina, Perseus, and Norma-Cygnus spiral arms projected onto the position-velocity maps (see Sect. 3.1).
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