ISO: Interstellar Medium Image Gallery

SWS (S01) spectrum of NGC7538 IRS9, covering the full SWS spectral range from 2.4 to 45 microns at a resolving power of ~500. Various solid state absorption features are labelled (with uncertain or ambiguous assignations in brackets).
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This spectrum was presented in the letter "An ISO view of interstellar ices - first results", by Whittet, D. et al. et al, that was published in the ISO dedicated issue of Astronomy and Astrophysics Letters.