Fig. 2
Top panel: SPIRE FTS spectrum of NGC 7027 (Wesson et al. 2010b), with 12CO, 13CO and CH+ lines indicated. Bottom panel: PACS spectrum of NGC 7027 (Exter et al., in prep.; the blue upper curve) with the strongest lines indicated, and the ISO LWS spectrum (black, lower curve) of Liu et al. (1996) scaled by a factor of 0.25 in flux. The inset shows a detail of the spectrum (with no scaling in flux) illustrating the improved resolution of the PACS spectrum w.r.t. the LWS spectrum.
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