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).
(image x3/2)
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.