Emission lines observed from β Pic with fitted Gaussian profiles overplotted. The spectra were continuum subtracted and rebinned. The vertical dashed line shows the expected wavelength of the emission line. The measured fluxes are reported in Table 1. a): [O i] 63.2 μm emission line observed by the central spaxel (12) of PACS. The wavelength scale is in the local standard of rest frame. b): [C ii] 157.7 μm emission line of the central spaxel. The unbroken vertical line shows the fitted centre of the emission line.
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