Evolution of southern star-forming regions
- Ehrenfreund, P
- Van Dishoeck, EF
- Burgdorf, M
- Cami, J
- Van Hoof, P
- Tielens, A. G. G. M.
- Schutte, WA
- Thi, WF
Publication date
January 1997
DOIAbstract
We present ISO observations of bright, high-mass southern star-forming regions with the Short Wavelength Spectrometer (SWS) and Long Wavelength Spectrometer (LWS). The selected targets show a range of pre-main sequence evolutionary phases. Whereas some objects still show interstellar ice features, the most evolved objects are coincident with ultracompact HII regions and show strong emission lines from atomic species and polycyclic aromatic hydrocarbons (PAHs). We discuss the ISO spectra between 2.5 - 200 mu m of selected southern star-forming regions in the context of their evolution.</p
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