Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.199...93w&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 199, Apr. 1982, p. 93-96.
Astronomy and Astrophysics
Astronomy
5
Carbon Stars, Emission Spectra, Infrared Spectra, Line Spectra, Stellar Spectra, Wolf-Rayet Stars, Planetary Nebulae, Stellar Envelopes
Scientific paper
A number of Wolf-Rayet stars have been found to show in their spectra a strong emission feature at 3.28 microns, the wavelength of the unidentified feature observed in some nebular spectra. From comparison of the strength of this line from stars of different spectral type and excitation, it is identified with the C IV (11-10) transition group and shown not to be connected with the circumstellar dust associated with some Wolf-Rayet stars.
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