APEX spectrum of the CO (J = 3 → 2) emission in V605 Aql. The width of each channel is 20 km s-1. The dotted vertical line corresponds to the systemic velocity relative to the local standard of rest of the PN A58, vsys = 96 km s-1, estimated by Clayton et al. (2013). The arrows indicate the rest frequencies for the CO (J = 3 → 2) and H13CN (J = 4 → 3) lines. The flux density in the right axis was calculated using the corresponding value of Γ, shown in Table 1.
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