Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171..199m&link_type=abstract
(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640
Astronomy and Astrophysics
Astrophysics
Astronomical Spectroscopy, Emission Spectra, Infrared Spectroscopy, Planetary Nebulae, Stellar Winds, Aliphatic Compounds, Aromatic Compounds, Spectral Bands
Scientific paper
Infrared spectra of planetary nebulae were obtained in the 3.0-3.8-micron range using IRSPEC, the ESO grating infrared spectrograph, attached to the 3.6-m telescope. Evidence was found of an evolution of the carriers of the unidentified emission bands in the 3-micron region, and the observed behavior was explained in terms of ion irradiation from fast stellar wind.
Magazzu Antonio
Strazzulla Giovanni
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