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Fig. 5


Left: total FIR/submm SED of NGC 891 obtained from the integrated PACS, SPIRE and SCUBA fluxes (black circles). The red line shows the best-fit one-component model, where the 70 μm point is used as an upper limit. The dashed black line represents the best-fit one-component model found when including the FIR/submm GAUFLUX fluxes reported in the Planck HIFI Catalogue of Compact Sources (blue diamonds; Planck Collaboration XXVIII 2014). For comparison with previous FIR/submm experiments, the flux measurements from IRAS, ISO and IRAM presented in Popescu et al. (2011, see their Table 2) are shown (grey triangles). Right: SEDs measured for different locations in the galaxy, following Dupac et al. (2003a) and Bianchi & Xilouris (2011).

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